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pa & speaker-box plans

30-Mar-2017

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3 Way Reflex Full-Range Cabinet



This 3-Way reflex full-range cabinet is ideal for club and party systems... You can mutiply the cabs for more power. Think of these as like giant hi-fi or studio speakers; a simple 3 way full-range unit you should be able to knock up in an day with some care.

Use tha pair of these with any stereo power amp up to 500 watts per channel...but ease the volume in huh!... dont blow the things up !!

You can build another pair, and add them together with the first pair for more power.

The speaker brand is up to you, but check the resonance for the bass driver, and adjust the port-size accordingly.

LOUDSPEAKERS 15" BASS
10" MIDRANGE
BULLET TWEETER
CROSSOVER BASS - MID @ 500 HZ
MID - TREBLE @ 3 - 5k
PERFORMANCE Balanced system type. From 35 - 55 HZ, up to 15 - 20KHZ.
Sensitivity of 98dB to 102 dB for 1 watt @ 1 meter depending on speaker model selected.
CONSTRUCTION Fairly simple.
Make sure the mid-range compartment is well sealed with glue & mastic
MATERIALS 1 X 18mm / 3/4" 8' X 4' board (2438 X 1219)
VOLUME Total= 8800 cubic inches
Reflex= 6650 cubic inches, 106 litres


SPECIAL NOTES - PORT SIZE


RESONANCE OF LOUDSPEAKER PORT AREA
40 HZ 10 sq inches
45 HZ 12 sq inches
55 HZ 24 sq inches
60 HZ 33 sq inches


CLICK TO VIEW & DOWNLOAD THE PLANS


[plans will print out to an A4 page]

CLICK TO GO TO CONSTRUCTION TIPS PAGE


(very important to read this !!)


Good luck & happy building!



COMMENTS FOR:

'3 Way Reflex Full-Range Cabinet'


There are a total:  32  comments posted to this page.


Name: mike
Email: scarecat@tir.com
Activity: Professional
Date: 30-Dec-99

you guys forgot to mention whether both sheets of plywood(the walls of the cabinet) should be screwed to the baton(butt-joint) also, should the sides of the cabinet be screwed to the baton and each other as well?or should each side of the speaker cabinet be screwed only to the baton and NOT it's mating side?also,how the heck do you cut those perfectly circular speaker holes into the baffle?


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Name: Kilo
Email: here
Activity: Professional
Date: 30-Dec-99

Really cheap & easy to build boxes


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Name: Tomi Kainusalmi
Email: casi_no@hotmail.com
Activity: Hobby-ist
Date: 30-Dec-99

If you need something.....


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Name: Lee Phillips
Email: ellwood@home.msen.com
Activity: Professional
Date: 30-Dec-99

Great page.... congrats on a real resource. We are now building two of each design and are about 80 percent complete at this writing. Please keep up the great work, ROADHOG - DETROIT MICHIGAN USA


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Name: J. Gerhard - STAGETEC DJ & Discoteams
Email: stagetec@gmx.de
Activity: Professional
Date: 30-Dec-99

Hey guys.

Really cool page. Good examples, even for builfing very complex Box Cabinets like horns. We're built our 6kW PA by ourselves. And I know about the difficulties of that. But understanding your plans is very simple. congratulations.

Jan Gerhard

STAGETEC DJ & Discoteams Germany.


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Name: fiddler
Email: tchapin@virginislands.net
Activity: Professional
Date: 30-Dec-99

Great page! I,ve just purchased a 150w 4ohm per channel amp. I can only get 8ohm speakers. How do I wire from the cross over to get 4ohms? how do I wire the next 1/4" jackso that i could have it be the "out" to a next speaker? Thanks


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Name: k
Email: here
Activity: Professional
Date: 30-Dec-99

test add comment to '3 way full range cab' page


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Name: Craig Manyk
Email: lmanyk@axionet.com
Activity: Hobby-ist
Date: 30-Dec-99

hey thanks allot you really helped me out with my buisness I just want to thank you


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Name: moussa
Email: musan99@yahoo.com
Activity: Hobby-ist
Date: 30-Dec-99

best of the best


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Name: mike fear
Email: scarecat@tir.com
Activity: Professional
Date: 30-Dec-99

this site sounds just like what i've been looking for.you mentioned forthcoming postings of plans for good bass bins.that's what i need.howbout it?


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Name: Andy Frahm
Email: hallo
Activity: Professional
Date: 30-Dec-99

Just starter-systems.Langweilig!!!

I expected more than that sh..!


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Name: Kilo
Email: here
Activity: Professional
Date: 30-Dec-99

whoooah !!..... I didnt expect many posting's here.....

Ok MR Blu..... correct about the sealed enclosers...that is noted on the intro page....also the passive bit.... but these are starter boxes...

However, I do have pans for seperates, so these will be added when I've time... I've got plans for lots of cabs, for Bi & Tri-amped systems, as well as guitar 4X12cabs etc.....

just note, I dont read these seperate pages regularly, so if you want to ask anything that demands a reply, mail me....


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Name: robin
Email: robinp@chem.leeds.ac.uk
Activity: Hobby-ist
Date: 30-Dec-99

hmmm these cabs are only 18 inches deep...could do

with some plans for bigger ones...

keep it coming...a truly excellent site!


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Name: j.austin
Email: misterblu@hotmail.com
Activity: Hobby-ist
Date: 30-Dec-99

Nice plans.. just had a few comments... a sealed enclosure generally has a more extended low frequency response whereas the reflex enclosure's response will generally drop sharply below the freq. the port is tuned to... Also wanted to mention that a passive X-over network can "absorb" up to 10% of your amplifier power, whereas the active X-over won't... I do think this is definately a good plan though.. It would be useful to see a short list of drivers and their respective specs.. regards, Jon


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Name: john jenkin
Email: go47@dial.pipex.com
Activity: Hobby-ist
Date: 30-Dec-99

that's really cool to see how to do the speakers like that. We are thinking about making our own set up for a gigginmg guitar band (lead, bass, drums, vocals). Do you reckon these cabs would handle this and do you know anywhere to get more info on things like mixers etc. I read the mags but the language just goes way over my head.


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Name: kilo
Email: here
Activity: Professional
Date: 30-Dec-99

scarecat.. for god's sake man..... apply Large amounts of woodglue.... and screw to the battons.... you've obviously never worked with wood, so maybe it's better to get some help..... woodglue once set is stronger than wood... so as long as the butt-joints are covered well, the outer edges will be solid... round holes ?... er... compass ?... jigsaw ??....apply plenty of glue, then wipe off the excess which oozes out (oooer missus!!) with a damp cloth. dont forget (if your brainless) to NOT add glue to the back panel, if the drivers load from behind/inside your bass-cab and others will soon arrivee at gate 12....


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Name: Ivaline J
Email: ivalinej@hotmail.com
Activity: Hobby-ist
Date: 30-Dec-99

cool but i would love to see more...like how to build a banpass for 30Hz>>>>up


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Name: lery moses
Email: lery6@hotmail.com
Activity: Hobby-ist
Date: 30-Dec-99

good stuff


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Name: greg szekeres
Email: szekeres+@pitt.edu
Activity: szekeres+@pitt.
Date: 30-Dec-99

szekeres+@pitt.edu
part-timer

THis is kind of typical of alot of pa stuff. I think the 10 inch is way too big creating too much beeaming. I would prefer using a couple vertical 5 inchers. The tweeter usually must br crossed at 5kHz anyway. Four 5 inchers will handle practiically all powers. Thats what I used in my main system I designed. I don't quite understand your simplified port size vs box and any woofer. Why not use a program for any woofer parameters?


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Name: deepal waduthanthri
Email: deetec@sltnet.lk
Activity: part-timer
Date: 15-Dec-04

i want made it because it is my hobby


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Name: raj
Email: dadon@hotmail.com
Activity: Professional
Date: 20-Dec-04

wikeed....


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Name: Richard
Email: richardandmelanie@hotmail.com
Activity: Hobby-ist
Date: 13-Oct-05

Nice Cab Plan, Info on the construction is really good.



Thanks


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Name: DODHY
Email: bespak@hotmail.com
Activity: Hobby-ist
Date: 06-Nov-05

nice cabnet design - can you help me out to design cabnets for Wharfdale Drivers I have with me Woofer 12Inches, MidRange 5Inches, Tweeter 4Inches with crossover network - I bought these divers from ebay and would like to design superb cabnets for them anybody would like to help please contact me via email and that would be appreciated.


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Name: Speaker Builder
Email: there
Activity: part-timer
Date: 08-Mar-06

The plans for this cabinet appear in the FANE Loudspeaker Enclosure Design and Construction guide (which I've had for almost0 years)

[Page 18]

I don't think this boook is available anymore



http://www.fane-acoustics.com


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Name: arjun
Email: arjunan_s@yahoo.com
Activity: part-timer
Date: 08-May-06

finer sound from a true source


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Name: Dan Reiner
Email: rsd@netvision.net.il
Activity: Professional
Date: 07-Nov-06

I wish to import to Israel enclosures for

Loudspeakers full range - for home and for restaurants pubs and dico's clubs as well as for the professional users.

Minimum thickness of cabinet is8mm - 20mm

Rear and side should be glued not nailed

front cover should ne net or wood crafted

Please provide me with spec's and export prices.

Commercial volume will be defined after testing samples.

Regards,

Dan Reiner RSD Ltd.

Hard copy mail address:

RSD Ltd

P.O.Box4357 Tel Aviv 61143 ISRAEL


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Name: Costin
Email: raimediagroup@yahoo.com
Activity: Professional
Date: 28-Nov-06

I interes to project ,mabe tomorow or aftertomorow I send to 3 my project ...I hope so you capted to you realy interes !

by !


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Name: Muc
Email: mucsavage@gmail.com
Activity: Hobby-ist
Date: 01-Feb-07

Hi,
Want to build these for the sheer educational value, as well as having a system for dirt parties!
Could you please point to specific drivers to use as I have no idea what to look for.
Also does the crossover need to be built by myself or is it something I can buy?

Cheers,

Muc


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Name: The K-Gza
Email: k-gza@hotmail.com
Activity: part-timer
Date: 18-Feb-07

Should u use a 2 or 4 pole speakon connector???


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Name: Satish
Email: sunjoa198@yahoo.com
Activity: part-timer
Date: 31-Mar-07

Price list of such 3 WAY REFLEX FULL-RANGE CABINET


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Name: me again
Email: test 2
website?: www.7161.com
Activity: Professional
Date: 06-Sep-08

test add article comment and total score, votes, etc


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Last added comment

Name: Brian
Email: test@yopmail.com
website?: jjsjsjdsjdsj.com
Activity: part-timer
Date: 26-Apr-13

Hello, thanks for the plan, but could you possibly draw the scheme of how to wire it? and with what kind of passive crossover?
I'm worried about breaking my drivers if I try alone (with the impedance and stuff)

(sorry for poor english, I'm French)


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 [back to top]

Cabinet plans

Each page contains a downloadable plan as a gif image, sized to print-out onto an A4 page.

STARTER FULL-RANGE 3 DRIVER CABINET

4 X 10" FULL-RANGE CABINET

2 X 15" FULL-RANGE CABINET

2 X 15" FOLDED BASS-BIN FOR MODULAR SYSTEM

1 X 15" REAR HORN LOADED SCOOP BASS-BIN FOR MODULAR SYSTEM

1 X 15" 2 WAY FULL-RANGE REFLEX CABINET (can also be simple bass unit)

2 X 12" ANGLED SHORT-THROW MID CAB FOR MODULAR SYSTEMS

2 X 10" MID AND HIGH FREQUENCY CABINET FOR PASSIVE SYSTEM

HF LARGE HORN CABINET FOR ACTIVE SYSTEM

EASY BASS CAB FOR 15"/18" BASS - (single or double!!)
[Kindly supplied by Celestion uk]
[also can build as 10"/12"/15"/18" + tweeter for full-range]

15" CELESTION W-BIN BASS CAB

MARTIN 15" HORN

EAW BH 882 DUAL 18" BASS

CERWIN VEGA 18" BASSBIN - EARTHQUAKE B36

Lots of plans here...




dancetech
& thomann
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