AKG C 451 B - condenser microphone with cardioid polar pattern, switchable high-pass filter (75/150Hz) and pad (-10/-20dB), includes windscreen (W90), clamp (SA60) and case, suitable for overheads, hi-hat, percussion and acoustic guitar.
The C 451 B is the latest model in the C 451 series that dates back to 1969. It is a cardioid only design with a permanently fixed capsule (a departure from the previous modular system).
The acoustics of the original cardioid capsule, CK 1, are modeled and matched in the current version, producing the unique overall rising frequency characteristics. The rise is no more than 3 dB and is broadly centered around 12 kHz.
Its transformerless preamp uses surface mount technology and, therefore is lighter, yet more rugged than its predecessor. Switchable 10 and 20 dB pads are now integrated. Maximum sound pressure levels in the range of 155 dB (in the 20 dB sensitivity position) can be attained with no greater than 0.5% distortion. A selectable low frequency, or bass roll-off option, provides 12 dB per octave attenuation below 75 or 150 Hz. The C 451 B, like its predecessor, is most commonly used in studio and tour sound applications such as micing choirs, drums, percussion and acoustic guitars.
It is available as a single piece or in computer matched stereo pairs, and operates on all phantom voltages between 9 and 52 volts. The SA 40 stand adapter and W 90 windscreen are included as standard accessories.
Features - Ultra-smooth response with slight rising on-axis frequency characteristic
- High front-to-back rejection ratio
- Transformerless output for low distortion at high operating levels
- 10 and 20 dB pad
- Switchable 12-dB roll-off at 75 or 150 Hz
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