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Let's build some scoops!


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Author: admin
Date: 07-Dec-06




Let's build some scoops! - by - Paul C.




My friend Jay allowed me to lead him through building a pair of 15" scoop cabs for his livingroom, which you can see from the photos, is presently undergoing renovation. He decided to build the cabs right there before installing the carpet.



Suitable woofers are ones with high EBP (Efficiency Bandwidth Product), at least EBP = 90, and better 100 or more. Eminence publishes EBP, but you can also calculate EBP from EBP = fs/Qes. Also, for scoops you want fs (woofer resonant frequency) to be below the horn cutoff. For the 15" scoop this means you want fs below 40 hz.



Jay used the Eminence Gamma 15, but there are many others that will meet the simple criteria above.



In my opinion, only birch ply, 11 or 13 ply, is suitable for large speaker cabinets. MDF is too heavy, chips too easily, does not hold screws well. MDF is only suitable for small speakers, or large ones that will never be moved. For cabs that will be used for PA use, and will likely be moved often, birch ply is the only choice.






Jay started by cutting the major panels to size and with careful measurement, sketching placement of the internal panels on one side.






Note that instead of the very difficult to fabricate curved section in the horn mouth, with my advice, Jay substituted a flat panel at a 45 degree angle. Believe me, no one will be able to tell the difference.






Jay used carpenter's glue and a pneumatic nailer to tack it together until the glue dries.






This is OK as he will be leaving these speakers in his living room. If you will be moving them for PA use, use screws through the sides and into the internal panels.






Later Jay will veneer and oil these cabinets, but now it is time to test. For PA use let me suggest you use truck bed liner paint. This can be applied at home using a texture roller for a nice finish. You can also take your cabs to a commercial shop for an application of Rhino, Gator, or other brand name bed liner. This material is easy to repair later. Gouges can be filled with Bondo (autobody repair putty), sanded, and repainted.






Now Jay is testing with a simple crossover and Altec Lansing 511b horn with 902-8 horn driver. He later assembled a better crossover which I had sent him, which includes 2nd order (12 db/oct) with zobel components for the woofer section, and 3rd order (18 db/oct) with resistive padding and compensation to lift the high frequencies where they droop at the top. For these components he chose a 500 hz crossover point. He could also have used an Altec 811b or Eminence H290 horn with Eminence PSD2002 driver crossed at 1600 hz.






Here he has made a nice grill using cloth from Parts Express. This cloth looks like the old Fender grill cloth.






Not only is this speaker a rear loaded horn, it is also a transmission line. You may experiment with damping material, dacron poly fiberfill, as shown in this sketch. Don't pack it tightly, just lay it in. Experiment with the amount of fiberfill for best sound. Low bass frequencies will pass right through. Midbass and midrange (depending on amount of fiberfill) will be damped. Drill some holes in the bottom and back by the 45 degree panel in the mouth and spray in expanding urethane foam. Do not overdo this. Spray a little and let it expand, spray a little more. Excess will run out of the holes. This will stop that bottom panel from vibrating. You may also want to add a 1x4 vertically on the inside of the back panel to help prevent the back from vibrating.



With the Altec horn/driver combo and 500 hz crossover this speaker sounds amazingly real. And "It... it... it goes so low!"




Paul is the US Distributor of Saxrax products, a UK company www.saxrax.com



 

Download the plans



HERE'S THE PLANS!! - Paul kindly sent over the plans people have requested so we can host them! - This gives plans and dimensions for 12", 15" and 18" scoop!



[plans will print out to an A4 page]

 

CLICK TO GO TO CONSTRUCTION TIPS PAGE



(Useful tips if you are new to woodworking!)














COMMENTS FOR:

'Let's build some scoops!'


There are a total:  146  comments posted to this page.


Name:  HappyGene
Email: 
Activity:  part-timer
Date:  09-Dec-06

Could double the height and stretch the lower exit to increase bass response?

This would also make it a nice height for a bass bin on stage.

I'd really like to know.

Thanks a bunch,
:) Gene

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Name:  jahaziel gaona
Email: 
Activity:  Hobby-ist
Date:  10-Dec-06

what about de measures of a 18¨subwoofer can you hel me?

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Name:  Paul C.
Email: 
Website?:  saxrax.com
Activity:  Hobby-ist
Date:  11-Dec-06

Jahaziel, I will email you plans with measurments for 12", 15" AND 18" versions. The measurements are in mm's. To convert to inches, divide mm's by 25.4 (mm/inch).

Gene, the 15" version is already 40" high, just over 1 meter. Making it twice as high would not be practical, either for moving it around, nor would it need to be increased that much to go lower. The 18" version goes down to about 30 hz. There is no need to go lower. I'll send you plans for the 18" version, and you can try that with your 15's. If that does not work satisfactorily, you can always cut the hole larger and drop in some 18's.

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Name:  HappyGene
Email: 
Activity:  part-timer
Date:  12-Dec-06

Paul,

I got the plans and I appreciate your reply.

I'll start in a couple weeks and take pics.

Thanks,
:) Gene

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Name:  Paul C.
Email: 
Website?:  saxrax.com
Activity:  Hobby-ist
Date:  12-Dec-06

Good, Gene! Let me suggest you also go to Parts Express and look at these items: 262-821 handles on the sides, 262-820 handles on the top rear, and 262-278 castors on the bottom rear to help you move these babies around.

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Name:  al cook
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Activity:  Hobby-ist
Date:  15-Dec-06

I Like what I see here.Can you send me the plans for a 18" please?
Thanks

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Name:  jahaziel gaona
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Activity:  Hobby-ist
Date:  23-Dec-06

can you send me de scoop measures for a 18" speaker...i will apreciate..tanks

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Name:  Ron Parsons
Email: 
Website?:  n/a
Activity:  Hobby-ist
Date:  26-Dec-06

Paul:
I would also like to get the 12, 15, and 18 in plans. I have both a set of 12's and a set 15's that need homes. The size looks reasonable for the 15's. Is the 12 in version much smaller? These are for home audio use.
Thanks, in advance, for taking the time to read this and possibly send me some plans.
Regards
RGP

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Name:  Paul C.
Email: 
Website?:  saxrax.com
Activity:  Hobby-ist
Date:  28-Dec-06

In my opinion the 12" is too small, making the low end cut off too high.

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Name:  roy
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Activity:  Professional
Date:  07-Feb-07

have 2 fane speakers like to have measurement for box .18'' speaker 1200watt

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Name:  dj mike
Email: 
Activity:  Hobby-ist
Date:  20-Feb-07

can you give me the direction to building a 18" scoop cab.if you send me it can you tell me how it will work with the rcf L18p 300 woofer.

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Name:  Austin Lobban
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Activity:  Hobby-ist
Date:  23-Feb-07

Love this set up. Would love a copy of the plans and/or drawings

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Name:  Paul C.
Email: 
Activity:  Hobby-ist
Date:  25-Feb-07

To the fellow who posted on Jan 22, and did not post his name, these "scoop" rear loaded horns act as transmission lines. The added damping does not reduce the bass, but acts like a low pass filter. Its purpose is to damp higher frequencies that would compete with those radiated directly from the woofer and cause some response variations. The damping does not hurt the lows and flattens out the response.

There are a number of articles on the web and elsewhere discussing use of damping with transmission line speaker cabs. Look them up and do some reading and you'll understand what this is about. If you had put in your real address, I would have been glad to send you a pdf of one of those articles.

The website you suggested has plans for the 18" and 21" Mogale scoops, but none for 12" or 15". Those Mogale scoops are more sophistcated, very nice boxes, but are also much more difficult to build. The idea of this short article was to allow people to try the design by building this simplifed version.

Paul C.

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Name:  Pieter
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Activity:  part-timer
Date:  05-Mar-07

Hi any plans for near field monitors

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Name:  Alan
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Activity:  part-timer
Date:  15-Mar-07

can u u possibily send me the design 4 this cab and will it work with the eminence kappa 15

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Name:  Paul C.
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Activity:  Hobby-ist
Date:  19-Mar-07

Yes, the Kappa 15 is a good candidate for the scoop enclosure.

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Name:  a . houston
Email: 
Activity:  Hobby-ist
Date:  21-Mar-07

hey man sorry to bother you but can you send me plans for the 15 and 18 inches enclosures . thanks

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Name:  vishnu
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Activity:  Professional
Date:  23-Mar-07

what are the measurements for the fane 1200 watts 18" speaker boxes

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Name:  khemraj
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Activity:  Professional
Date:  23-Mar-07

have two rcf 1000 watts each 18" speakers would like to have the measurements for the speaker boxes

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Name:  vrki
Email: 
Website?:  www.radikaldubkolektiv.net
Activity:  Hobby-ist
Date:  17-Apr-07

Hello!im wondering if its possible to get mesurments for 15inch speaker, and 18inch speakers?i hope its not too much bother, stay good.vrki

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Name:  Calvin Reed
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Activity:  part-timer
Date:  16-Jun-07

Can you send me measures for 18" scoop Thanks

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Name:  robert r.
Email: 
Activity:  part-timer
Date:  19-Jul-07

Hi Paul,
Great job.
I would also like to get a copy of your 15, and 18 plans.

Thanks

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Name:  AK
Email: 
Activity:  part-timer
Date:  31-Jul-07

Paul,

Hey bud, pls send above plans and measurements on exact 15" scoop above, and any other single or dual 15" bins plans you have??
Would be much appreciated!!!

AK
Jo'burg
South Africa

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Name:  bertie
Email: 
Activity:  part-timer
Date:  23-Aug-07

can you send me links for 18" measurements and plans

regards
bertie

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Name:  Luke
Email: 
Activity:  Hobby-ist
Date:  06-Sep-07

Could you send me the plans for the 12, 15 and 18" scoops. Thank you very much...

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Name:  Cosimo
Email: 
Activity:  Hobby-ist
Date:  16-Sep-07

Can you send me the plans for a 15" and18" please? Thanks

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Name:  Courtney Kirkland
Email: 
Website?:  www.sonicvibez.com
Activity:  Hobby-ist
Date:  17-Sep-07

Hello
can you give me the specs to building an 18" super scoop cab. I will be using the Eminence Kilomax speaker, 1200 watts each.
Thank you.

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Name:  Grant
Email: 
Activity:  Hobby-ist
Date:  18-Sep-07

Hi Paul,

Could you please forward the plan and measurements for the 15" scoop.

Gladly appreciate it.
Grant - South Africa

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Name:  richard
Email: 
Activity:  part-timer
Date:  18-Sep-07

hi could u please forward the measurements to my e mail address thanks

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Name:  richard
Email: 
Activity:  part-timer
Date:  18-Sep-07

hi could u please forward the 15 measurements to my e mail address thanks

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Name:  alex
Email: 
Activity:  Hobby-ist
Date:  18-Sep-07

hi ive been looking at the designs and wish to build sum for my soundsystem so would be gratefull if u could send me the 15 and 18 design+ measurements thanks

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Name:  Mark
Email: 
Activity:  Professional
Date:  20-Sep-07

Hi, great job on these speakers sir. thats some serious bass for a living room sound system.was hoping you would be able to send me the plans for an 18" version capable for touring soundsytem specs. Be muchly appreciated.

many thanks.


mark

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Name:  Paul C.
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Activity:  Hobby-ist
Date:  09-Oct-07

Sorry, have been away for a while. I've sent you all plans as requested.

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Name:  Mike kottrel
Email: 
Website?:  www.pushstl.net
Activity:  Professional
Date:  18-Oct-07

I would love to see your plans for the 18"

scoops

is there any chance of getting those

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Name:  Rob F
Email: 
Activity:  Hobby-ist
Date:  19-Oct-07

I'm thinking of using a pair of vintage bass drivers
(ie; Electrovoice) for a living room 3-way. Do you
know how much more, if any, spl (dBs) this will
provide over the driver's rated efficiency?

Also, could you please e-mail me the 12" and 15"
plans?

Thanks very much!
Rob

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Name:  Paul C.
Email: 
Website?:  saxrax.com
Activity:  part-timer
Date:  20-Oct-07

Plans sent to you guys, too. The plans include measurements for 12", 15", and 18" versions.

No, the scoop won't produce any greater SPL, but will give greater bass than some other cabinets.

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Name:  shawn harewood
Email: 
Activity:  Hobby-ist
Date:  30-Oct-07

hi,i have been looking for these spec for a lond time but the measurement i need.i am build a sound name studio graph sound an i am planing too use scoups so could i have the real measurement for the 12/15/18 thanks

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Name:  jeff
Email: 
Website?:  www.dancetech.com
Activity:  Professional
Date:  01-Nov-07

give me the measurements for the construction of the scoop cabinet

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Name:  James
Email: 
Activity:  part-timer
Date:  06-Nov-07

Hi,

Are you able to provide me with the measurements to build this cab, also if you have the measurements for the 12" and 18" versions as well it would be much appriciated.

If this design was loaded with a high excursion sub would this make any difference to the response, or do the measurements differ depending on which sub you use ?

Many thanks in advance

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Name:  James
Email: 
Activity:  part-timer
Date:  06-Nov-07

Hi,

Sorry just posted the above comment and gace the wrong e-mail address, please use this one.

Thanks

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Name:  mark j nurse
Email: 
Activity:  Hobby-ist
Date:  17-Nov-07

what about de measures of a 18¨subwoofer can you hel me

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Name:  Paul C.
Email: 
Activity:  Hobby-ist
Date:  21-Nov-07

Plans sent to requesters above.

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Name:  shawn harewood
Email: 
Activity:  Hobby-ist
Date:  22-Nov-07

hi,i have got the email thanks.Do you have the specs for the crewin vega earthquake boxes too,this would complete my boxes.

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Name:  james
Email: 
Activity:  part-timer
Date:  23-Nov-07

hi great speakers recently saw the one my cousin built so would be over the moon if i could have measurements for the "15" and "18" THANKS

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Name:  Paul C.
Email: 
Activity:  part-timer
Date:  03-Dec-07

James asked, "If this design was loaded with a high excursion sub would this make any difference to the response, or do the measurements differ depending on which sub you use ?"

No, don't do that. High excursion subs are generally best suited to small cabinets. I gave specific qualifications for woofers suitable to this type of cabinet (or any other horn loaded cab). High EBP, resonoance below cab cutoff.

When a suitable woofer is used in a horn loaded or ported cabinet, properly loaded, there will be minimal cone excursion. In fact, if you see a 15" or 18" cone bouncing around a lot with these types of cabinets, you need to run a subsonic filter.

Many thanks in advance

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Name:  Dj remix
Email: 
Activity:  Hobby-ist
Date:  04-Dec-07

i really appreciate your demonstration i live in MA
and this desing is very rarein this area. i wonder if u
have blue prints for the 18" single and if you would
share it i will like to build 4 units with either B&c or
peavey low rider speakers

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Name:  soka
Email: 
Activity:  part-timer
Date:  12-Dec-07

i would like to know how you go about building the double 18" scoops

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Name:  anon
Email: 
Activity:  Hobby-ist
Date:  17-Dec-07

Scoops DO increase efficiency and will have a far higher volume (1w/1m) than a simple reflex or almost any other type of cab, the downside being the frequency cancellation at roughly 60-80hz in the vital "kick" range, this is due to the direct radiating speaker and the horn (suffering from a delay of a few ms) being out of phase with each other

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Name:  Alen V.
Email: 
Activity:  Hobby-ist
Date:  26-Dec-07

Could you send me the plans with measurments. Thank you very much!

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Name:  Patrick
Email: 
Activity:  Hobby-ist
Date:  31-Dec-07

Please can you tell the the plan for a 15" version of the scoop.

Cheers

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Name:  Dougie
Email: 
Website?:  none
Activity:  Hobby-ist
Date:  02-Jan-08

Could you please send me the plans for the 12", 15", and 18" scoops?

Thanks!!

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Name:  DJHelixB
Email: 
Activity:  part-timer
Date:  02-Jan-08

Any opinion on staiper's 18"HOG-scoops?
Seems that those are pretty serious subs with new, not classic folding scheme. ????

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Name:  gaspar
Email: 
Website?:  none
Activity:  Hobby-ist
Date:  04-Jan-08

ok im trying to get plane to make an afterburner cerwin vega 18can u help me to get it i want to make a 18'scooper too i need measures any help will be appreciated

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Name:  G
Email: 
Activity:  Hobby-ist
Date:  04-Jan-08

hey can u send me the plans for the 18" scoop please

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Name:  mcrick
Email: 
Activity:  Hobby-ist
Date:  05-Jan-08

Can someone tell me where I can find staiper's HOG SCOOP plans. I have find threads and some pictures on forums but no exact plans?

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Name:  Paul C.
Email: 
Website?:  saxrax.com
Activity:  Hobby-ist
Date:  07-Jan-08

The Hog Scoop may be found at Speakerplans website, look in the forum there.

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Name:  gaspar
Email: 
Website?:  none
Activity:  Hobby-ist
Date:  10-Jan-08

ty for the plans and i want to see if u can help me one more time im traying to get a plans,pics,etc. of cerwin vega e36 subs can u help me/

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Name:  LINDA SCOTT
Email: 
Website?:  googled loaded horns
Activity:  Hobby-ist
Date:  16-Jan-08

could you please send me measurements for a 12in
thanks...

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Name:  tony
Email: 
Activity:  part-timer
Date:  23-Jan-08

hey bro, you seem to be a genius on this sub contruction. can you tell me how to built a smaller scoop box with the speaker face slanting down

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Name:  Derek
Email: 
Activity:  Hobby-ist
Date:  24-Jan-08

Hi..i see the project and i'll fit very good for..i'm very interested in you plan..especially for 15" and 18"..
I'm starting to build so i want to ask you if its possible ,to send me the scoop measures for a 15" and 18" speaker...so i can decided wich is better for me..i will apreciate very much..Thank for you attention.

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Name:  austin
Email: 
Website?:  n/a
Activity:  Hobby-ist
Date:  31-Jan-08

i like the 15"s but do you have plans for 18"s they'll
be perfect for my basement set up. Thanks

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Name:  admin
Email: 
Activity:  Professional
Date:  31-Jan-08

ok guys, we added the plans which Paul kindly sent over. See the bottom of the article for the download link - He's sent over plans with all dimensions to make either 12", 15" or the mystical 18" everyone wants! enjoy!

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Name:  tubino
Email: 
Activity:  Hobby-ist
Date:  11-Feb-08

Hi, you say "EBP = Qes/fs". Actually it's the other way 'round: fs/Qes.

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Name:  rob kay
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Activity:  Hobby-ist
Date:  23-Feb-08

can you please send me the spec for the 18" scoops im having problems downloading it cheers

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Name:  sergio
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Activity:  Hobby-ist
Date:  29-Feb-08

Could you plase send me the plan for a 414a or 414-16B Altec woofer?
Thanks
Sergio
Milan, Italy

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Name:  toby
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Activity:  Hobby-ist
Date:  07-May-08

hay man could u send me the original scoop plans plz i.e angles mesurments n materials

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Name:  toby
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Activity:  Hobby-ist
Date:  07-May-08

4 a 12" cheers

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Name:  Clifford Jeanty
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Activity:  Hobby-ist
Date:  22-May-08

I have made (4) 18" scoops. How do I make some nice full sheet metal grills for them, similar to EAW SB850 subs?

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Name:  chris
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Activity:  Professional
Date:  05-Jun-08

hi i like that desing u have up there bust i will like too now i wnat too get very very hevy bass can drawn out a more better desgin for plz that send at my email i give you guy ther iight ok thanks bye.

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Name:  ko thet
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Website?:  www.googlemail.com
Activity:  Hobby-ist
Date:  08-Jun-08

thanks for show me building PA system

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Name:  Steve Boivin
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Website?:  http://steve.miniville.fr
Activity:  Hobby-ist
Date:  12-Jul-08

que cette chose vous chie dessus et quil vous agresse s3xu3113m3nt
le 1=l 3=e (et je connait habbo)

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Name:  Steve Boivin
Email: 
Website?:  http://steve.miniville.fr
Activity:  Hobby-ist
Date:  12-Jul-08

que cette chose vous chie dessus et quil vous agresse s3xu3113m3nt
le 1=l 3=e (et je connait habbo)

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Name:  Damo
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Activity:  part-timer
Date:  15-Jul-08

Right i wantin to build some 18", now on picture one with the plans drawn on it, how big is the the sheet of Ply?
if you could tell us that an i'l be away m8.
peac

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Name:  Eric Yuen
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Activity:  Hobby-ist
Date:  30-Jul-08

nice.
any one can tell me can i build a Altec Barcelona 873A with my Altec Valencia 846B horns and bass drive.

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Name:  Devo
Email: 
Activity:  part-timer
Date:  16-Aug-08

What's going fellas:
I was wondering if you guys would have specs and drawings on how to build a double 15inch box. I am looking for something just as like what a reggae set would us(stone Love and others). If not do you know of a place where i can purchase a well constructed empty box. I currently live in Oklahoma and can't find nothing out here, should of stayed in New york. Last question can the 18 inch scoop plan you have posted here support a 1200 watt celestion 18?

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Name:  sean
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Activity:  Hobby-ist
Date:  04-Sep-08

i am wondering if i can make the scoop 36.30.24
h d w
i really would like if some one can send me the sketch of it on my email address
i am also wondering if my 2 celestion frontline 18" will work
or if i have to put them in a folded horn bass cabinet
which 1 will sound more heave

thank you of you reply

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Name:  carlo
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Activity:  Hobby-ist
Date:  08-Nov-08

could you please send me measurements for a 12in
thanks...

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Name:  carlo
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Activity:  part-timer
Date:  08-Nov-08

exscuseme.. could you please send me measurements for a 18in
thanks...

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Name:  nicholas
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Activity:  part-timer
Date:  24-Nov-08

what are the required specs for one 15" 1000 watts speaker for a scoop box

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Name:  alan
Email: 
Activity:  Hobby-ist
Date:  05-Dec-08

Nice box. Would also like plans for 18" box.
If you havw other plans for mids and bass cabinets could you please send me tham aswell.
Many thanks alan.

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Name:  alan
Email: 
Activity:  Hobby-ist
Date:  05-Dec-08

Nice box. Would also like plans for 18" box.
If you havw other plans for mids and bass cabinets could you please send me tham aswell.
Many thanks alan.

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Name:  Daniel R
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Activity:  Hobby-ist
Date:  30-Dec-08

I’ve always been interested in building a scoop box but never seem to get or understand what is behind the speaker. I’ve maid other boxes before but would like to make a scoop for an 18’’ speaker so I could upgrade my sound system. Is it possible you could send me a diagram? thanks

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Name:  Sav
Email: 
Activity:  Hobby-ist
Date:  06-Feb-09

Hi could you send me plans for building the 12" 15" and 18" scoops to my email please.

thank you

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Name:  sean
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Activity:  Hobby-ist
Date:  08-Apr-09

hi there, can any one spare me the specs for the 18" scoop plan ,,, i dont want the super scoop pan, i get a plan from FANE but itz for 15" scoop.. can any one eamil me the plan for the regular 18"scoop or any speecs ...i will more than appreciate it.. thanks

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Name:  Levar Morris
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Activity:  part-timer
Date:  03-Aug-09

hi, cam someone please e-mail the plan for the 15 and the 18 scoops please. i would greatly appreciate it

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Name:  anil
Email: 
Activity:  Hobby-ist
Date:  04-Aug-09

can u give me the meashurements for 18" scoops

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Name:  Jim Rickerd
Email: 
Website?:  www.whitetailstudios.com
Activity:  Professional
Date:  28-Sep-09

Could you please send plans for the 18" scoop... thanks....

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Name:  Matthew Ball
Email: 
Activity:  Hobby-ist
Date:  17-Mar-10

Hey,

Thanks for your articles they are well useful.

Could you send me the plans for the 12" scoop designs? I'm looking forward to taking this on as one of my first projects!

Cheers,

Matt

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Name:  HUMPHREY
Email: 
Activity:  Hobby-ist
Date:  23-Mar-10

CAN I PUT A 18" KILOMAX SPEAKER IN SCOOP BOX

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Name:  Albert Mereigh
Email: 
Website?:  nil
Activity:  Professional
Date:  28-Jun-10

In the design of the 18 inch scoop the chamber that the speaker is housed in is not deep enough for the new speakers that are 8-9.5 inches deep. Also,I would like to have a copy of the manual these scoops came from and would like to know who was the designer of the 18inch and what year it was. In 1992 I was importing Fane 18XB from Fane. Their speaker handbook had no 18 or 12 inch designs. When I wanted to build some 18 in 1995 I contacted JBL, EV, Celestion and Fane none of them had 18 inch scoop.The Fane Designer Steve Hewlitt sent me a 15 inch copy from their handbook with some amendments. When I drafted it on plywood, somethings were not right. There was a guy who brought some scoops from England 30inches deep but also had some flaws. I came up with my own design and built mines in 1995 and now all DJ's in Grenada is using it. A few years ago I redesigned it and now I have 3 models of 18 inch.

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Name:  Dave Hughes
Email: 
Activity:  Hobby-ist
Date:  06-Aug-10

I'd like the plan for the 12' scoops. Can you send me that?

Thanks in advance...

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Name:  Albert Mereigh
Email: 
Website?:  none
Activity:  Professional
Date:  16-Aug-10

I now have four designs of 18 inch scoop.Two for units that pass up to 10,000cm3 and two for over 10,000cm3 of air

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Name:  10
Email: 
Website?:  myspace.com/tenshon
Activity:  Professional
Date:  11-Sep-10

utilised the rear loaded super scooper plans to recreate my own desinged bass bin will let you know how it unfearls ,peace.

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Name:  ScoopyDoo
Email: 
Website?:  ____
Activity:  Hobby-ist
Date:  27-Sep-10

Whats the wood thickness for the 12" plan or is it the same for all 12,15 and 18?

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Name:  jason
Email: 
Activity:  Professional
Date:  03-Apr-11

hey i like what i see could u guys send me the specs for the 15 and 18 scoops thanks a lot

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Name:  dj SkeetaDon
Email: 
Activity:  Professional
Date:  29-Aug-11

i would like to build a 18" scoop . i would like the specifications , design and construction plan to build a scoop . i am planning on using rcf 18" speakers in the scoop.

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Name:  Mike
Email: 
Activity:  Hobby-ist
Date:  10-Oct-11

Howcan I get a copy of the 18
' scoop?


Thanks

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Name:  Tom
Email: 
Activity:  Hobby-ist
Date:  23-Nov-11

for some reason i can't see the photos on this page, is there any way i can? these wouild be the first boxes i've built and i can use all the help i can get...cheers

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Name:  nate
Email: 
Activity:  part-timer
Date:  29-Nov-11

looking for specs for the 18 inch scoops .and also the 15 inch scoops.i am also looking for a speaker design for the peavey low max 18 inch woofer it takes 8 cubic feet and also (4) 4 inch holes with ports about 10.625 inches long can you help me with this?

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Name:  Nieko
Email: 
Activity:  Professional
Date:  05-Jan-12

Hey could you help me find any plans for a double 18 scoop and a 21 scoop
also could u send me the plans for the single 15 n 18 please

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Name:  Andrew
Email: 
Activity:  part-timer
Date:  19-Feb-12

Great tips, thankyou
will send me plan for 18 scoops please

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Name:  buju
Email: 
Activity:  part-timer
Date:  15-May-12

Hey can you sebd me some specs. for 18
and 21 please

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Name:  buju
Email: 
Activity:  part-timer
Date:  15-May-12

And what size ply ...mayb if you have
extra or just equip you would like to
some
let me kno

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Name:  john
Email: 
Activity:  part-timer
Date:  24-Jun-12

hey i want a scoop for a 10inch sub.the sub is rated @ 1500rms@1ohm i want
to use 3/4 inch mdf

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Name:  byron
Email: 
Website?:  http://soundcloud.com/b-grade
Activity:  part-timer
Date:  13-Sep-12

Thanks for the plans. I am building a slightly modified pair now. Adapted the measurement for some 10s I
have laying around.

As for the poster above, all of the measurements are pretty much (some very slight variations) proportional
to the size of the driver for the 18s 15s and 12s. You could just adjust all of the measurements for the 12
by multiplying by 0.833. That is what I am doing, as an experiment, and an exercise in woodworking but I
am not sure what the results will be. Probably decent, but not optimal. May not give the same lowness of
bass response as the other boxes, as the horn would only be about 3 Feet long, but on the plus side, there
wont be any phasing until you get to a wavelength of 12 feet which is above 90Hz, which is where I generally
crossover anyhow. The longer the horn, the lower the phasing will occur in a scoop. I am thinking there
will be some advantages to making a smaller version, but there will also certainly be a loss in efficiency
without the 7 foot horn.

Could always just build the 12 version and put a ten in it or double up 10s on an 18 box.

Be careful with a 1 OHM speaker, unless your amp says it can handle that low of impedance. My amps would
fry for anything under 2.

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Name:  bigbull23
Email: 
Activity:  part-timer
Date:  01-Oct-12

hey bro please send me measurement for the 18 inch punisher, here they are the best

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Name:  CRACKER JACK
Email: 
Activity:  part-timer
Date:  03-Oct-12

Please send me the measurements for 18" scoop. I'm using B&C speakers.

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Name:  Clayton
Email: 
Activity:  part-timer
Date:  30-Oct-12

Hi, I'm needing to build an enclosure for a B&C 21SW115, and after taking a good look at some of the 18" plans, I am wondering if a set of plans for a 21" might be a good project for me. The driver fs is 33Hz, and I'm hoping for extension down to around 32 if it is possible. What can anyone tell me? I am wanting to take full advantage of the drivers capabilities, and don't mind if it is the size of a small fridge; It's for home AV, and my sattelite speakers can out-perform my current JBL 2245H.
Any ideas or plans
?

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Name:  clarke
Email: 
Activity:  Professional
Date:  25-Nov-12

could you send me the plan and the measurements please ? id really like to build one

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Name:  Ben
Email: 
Activity:  part-timer
Date:  06-Dec-12

Paul i'll really appreciate sending me the complete design with measurement
for 15" and 18" Speaker for Super Scoop Box. thanks, more power to you.

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Name:  rvrazvan
Email: 
Activity:  part-timer
Date:  14-Jan-13

Hello,
What is your opinion about using this woofer in a front loaded horn/bass reflex? I saw some modified La scalas with bass rexflex on a forum, but i am not shure if am safe with only 3mm of excursion....
Thank you very much for sharing your designs!

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Name:  Avery
Email: 
Activity:  part-timer
Date:  19-Jan-13

I am tight on money would this box setup work for car subwoofers? If i
loaded a 10 or 15 inch into this horn how would the performance stack up?

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Name:  Tony Maton
Email: 
Website?:  none
Activity:  part-timer
Date:  10-Feb-13

Hi Great plans.

Can I have some plans sent for 18" please. Building my own P A.

Also what should the min/max distance be behind the magnet to the virtical piece of wood please.

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Name:  Tony Maton
Email: 
Website?:  none
Activity:  part-timer
Date:  10-Feb-13

Sorry, can I have 15" plans also.

Regards

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Name:  simon nz
Email: 
Activity:  part-timer
Date:  03-Mar-13

hi paul i noticed that you recomended that you could use a 15 in an 18 inch cab does this affect the
performance of the 15 being that it is in a bigger bin or does it still sound ok

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Name:  harel
Email: 
Activity:  part-timer
Date:  30-May-13

hi
this look like a very realistic plan i have two Altec 515 and would like to
ask you if it would be possible to "narrow" the front panel size from ~56CM
to about 44CM? would it dramatically affect the bass response? (as we wont
touch the horn length)
If you have any comment on this kindly let me know
thanks much
Harel

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Name:  Stevie
Email: 
Activity:  part-timer
Date:  15-Jun-13

Hello!

I recently found some old 10" drivers, could it be possible to make an
enclosure like yours? And do you have any measerments for this idea?
Thank you!

Stevie

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Name:  pope
Email: 
Activity:  part-timer
Date:  05-Sep-13

please send me the exact specs for building 15inch scoop

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Name:  Mike
Email: 
Activity:  part-timer
Date:  10-Nov-13

Great article, exact match to what I'm seeking but the download site for
the plan is not available. May I request for the complete plan for 12",
15" & 18" scoop. Thank you and have a wonderful day.

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Name:  Jim Henderson
Email: 
Activity:  part-timer
Date:  08-Dec-13

Hi there

Do you have a detailed build plan you could send me? Would like more
details on the the size of the panel and angles to cut.

Also what it the best driver for this speaker?


Regards

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Name:  Nick Wright
Email: 
Activity:  part-timer
Date:  28-Dec-13

Hi there I want to make a 10 inch version of this as i have an old car subwoofer and plan on converting it into a
mini scoop and building some mini mid/tops. all to sit on the back of a trailer i built for a bike!!!

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Name:  Nick Wright
Email: 
Activity:  part-timer
Date:  28-Dec-13

do you have any scaled down plans for 10 inch versions? would the 12 inch plans work with a 10 inch driver as
ll long as the driver port was cut accordingly?

Eventually I want to build lots os cabs but im starting cheap.

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Name:  Nathan
Email: 
Activity:  part-timer
Date:  11-Jan-14

hello
where whould i download the pdf or manual for building the 12" and 15" bass
bins ? if u could let me know that will be great.

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Name:  Elwin Rodriguez
Email: 
Activity:  part-timer
Date:  22-Apr-14

Im very much interested in building some scoops, but i need the measurements for the 18". Can you please email it to me?? Thanx

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Name:  Ilovetheworld
Email: 
Activity:  part-timer
Date:  31-Aug-14

Could someone please provide a list of the cuts I could get the wood merchant to cut

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Name:  Omar Perez
Email: 
Activity:  part-timer
Date:  28-Sep-14

Hello,

I have two pairs of 15-inch speaker Monacor SP-380PA, JBL 130D, two trumpets altec 511B engines with Electro Voice and two crossover Beyma FD212. I would put everything in a box without bass reflex, I think the model Altec Barcelona whose volume corresponds to the needs of Woofer and room for the trumpet. I need a schematics for building these beautiful boxes and instructions for wood used and the different materials that make up the inside of the box; rock wool and black block, plastic grids?

Passionately,

thank you

Omar Perez

You can write to: feol63@gmail.com

Bonjour,

J'ai deux paires de haut parleur 15 pouces Monacor SP-380PA, JBL 130D, deux trompettes altec 511B avec des moteurs Electro Voice et deux crossover Beyma FD212. Je voudrais assembler le tout dans une caisse sans basse reflex, je pense au model Altec Barcelona dont le volume correspond au besoin du Woofer et la place pour la trompette. Je cherche un shémas de construction pour ces boites magnifique et une notice pour le bois utilisé et les différent matériaux qui compose l'intérieur de la boite; la laine de roche et les bloc noire, les grilles en plastic?

Passionément,

thank you

Omar Perez

Vous pouvez m'écrire à feol63@gamil.com

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Name:  Brian Cadogan
Email: 
Activity:  part-timer
Date:  16-May-15

Can you give the full dimension and measurement for 18" scoop please. Thanks..

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Name:  ibrian
Email: 
Activity:  part-timer
Date:  03-Jul-15

Been trying to find plans for some. 15 inch scoops, hopefully this will get some sent to me

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Name:  Mike Garrison
Email: 
Activity:  part-timer
Date:  05-Aug-15

Hello! I have four Dayton 15" Classic woofers, and I was wondering
if there is plans to build a pair of double 15" Scoops? I'm planning on
an EV-HP-940(Electrovoice) horn, and an Electrovoice EV-DH1A driver on
top.If you have plans for the bass scoops, I would be very grateful to
you if you could send me a copy of the plans! Thank you so much-Mike.

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Name:  Flávio
Email: 
Activity:  Professional
Date:  09-Jan-16

Hello I hope I have not arrived later have this subwoofer
www.oversound.com.br/produtos/sub-800 and which plan 18 Qua to him Hugo Full, or
Mongale you please pass a plan for this subwoofer grateful 'm from Brazil

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Name:  randy sinsamy
Email: 
Activity:  part-timer
Date:  19-Mar-16

i have a 18 inch blast speaker 1000 watt and i would lik if u could help me build
a scoop bin but i need the measurement in inches

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Name:  JUNIOR
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Website?:  google
Activity:  part-timer
Date:  20-Apr-16

Hey i have 2 kappa 15lfa i need a scoop box for them can u please help me out?

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Name:  mickel
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Activity:  part-timer
Date:  13-Aug-16

Hi can you make scoop for 8" speaker
eminence beta 8 ?

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Name:  jason
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Activity:  part-timer
Date:  25-Nov-16

please can i have plans for 18s or links please, love your work guys

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Name:  SIEUDATH LALCHAN-VINE
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Activity:  part-timer
Date:  30-Dec-16

put a key for the dimension tables -ie are the figures in cm mm in ft.
More detail measurement may be needed for the first timers.

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Name:  TONY BROUSSARD
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Activity:  Professional
Date:  25-Jun-17

Would this 15" be a suitable candidate for this cabinet?

Re 5.46 Ohms fs 27.6 Hz
Le 1.67 mH Mms 107.7 grams
QM 14.98
QE 0.35 Cms 0.309 mm/N
QT 0.34 Rms 1.246 N*sec/m
Xmax 7.90 mm Vas 318.6 liters
Pmax 500 Watts SD 856.3 cm^2
Bl 17.07 Tm
Coil Diameter 3 Inches EBP 78.9
Gap Height 0.375 Inches Magnet Weight 105 ounces
Efficiency 1.84 % Winding Width 1.000 inches
SPL 94.7 dB 1W-1m

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Name:  TONY BROUSSARD
Email: 
Activity:  Professional
Date:  25-Jun-17

Would this 15" be a suitable candidate for this cabinet?

Re 5.46 Ohms fs 27.6 Hz
Le 1.67 mH Mms 107.7 grams
QM 14.98
QE 0.35 Cms 0.309 mm/N
QT 0.34 Rms 1.246 N*sec/m
Xmax 7.90 mm Vas 318.6 liters
Pmax 500 Watts SD 856.3 cm^2
Bl 17.07 Tm
Coil Diameter 3 Inches EBP 78.9
Gap Height 0.375 Inches Magnet Weight 105 ounces
Efficiency 1.84 % Winding Width 1.000 inches
SPL 94.7 dB 1W-1m

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Name:  tyrone
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Activity:  part-timer
Date:  12-Jul-19

Hi on the Plan`s are the measurments in MM, CM, or Inchs. Thanks.

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Name:  Sean Cunningham
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Activity:  Professional
Date:  25-Jan-20

Can you send me plans for 18” woofer

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Name:  Bigby
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Activity:  part-timer
Date:  16-Apr-20

Can you send me the plans for use with an 18" woofer?
Thanks!

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Name:  lowie Van Mulders
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Activity:  part-timer
Date:  16-Nov-20

Can you send me the plans for 12 inch? I would really appreciate!!!
Send it to my email or facebook : lowie van mulders

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Name:  Victor Kim
Email: 
Activity:  part-timer
Date:  01-Jan-21

Can you send me the plans for 12 inch?
I would really appreciate!!!
Send it to my email
Happy New Year
Thanks

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Name:  Adrian-Sala
Email: 
Website?:  no
Activity:  Professional
Date:  13-Feb-21

Hello and congratulations

After reading the entire article and all
the comments I want to say that this
publication was a success.
Thank you for sharing such beautiful
work.
After so many years it is still in force
and there are many interested parties.
Greetings from Argentina.

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Name:  Blake
Email: 
Activity:  part-timer
Date:  21-Aug-21

Could you email me the plans for the 15" and 18" (blake8188@gmail.com)??
Undecided which I will build yet but I think they look awesome and actually
simple compared to a lot of other scoop designs!

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Name:  Thomas Mechnig
Email: 
Activity:  part-timer
Date:  06-Jan-22

Hi, I love the idea of the 12“ & 15“ scoops, could you please mail me the plans?
Have some spare car subs lying around and would love to test them with it.
Do you perhaps have any specs of drivers used for these cabinets?

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Last added comment

Name:  Yannis
Email: 
Activity:  part-timer
Date:  30-Sep-23

Hey awesome set up. I'm really interested in
making a mini set up. Would you please be
able to send me the plans for a 6" woofer.
Thanks

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