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The AKG Model C 4000 B
multi-directional condenser microphone

AKG C 4000 B

The C 4000 B was engineered from the ground up to take advantage of developments in low noise surface mount circuitry and electret tech­nology to produce a micro­phone with an astounding dynamic range of 137 dB. The micro­phone’s noise floor is a low value of 8 dB-A, and it reaches a reference value of 0.5% THD at a level of 145 dB.

The capsule assembly has been internally shock mounted, and the grid/screen structure is 0.2 inch (3 mm) thick to reduce wind and breath pops with minimal effect on high frequency performance. The diaphragm assembly is the industry’s first back plate electret dual 1 inch (25 mm) diameter design, and it reflects recent developments in electret tech­nology that assure both long-term stability and very high equivalent dc voltage biasing.

The C 4000 B reflects AKG’s customary attention to subtleties of fre­quency response: the transformerless output gives rock solid low frequency performance, and the 6 micron gold-sputtered diaphragms provide extended high-frequency performance. Switchable 10-dB padding extends the operating range even more, and a 12-dB/octave low cut at 100 Hz removes rumble or excessive proximity effect.

While the C 4000 B is primarily intended for studio use, it will be equally at home in broadcast operations or on stage for vocal applications of the highest quality. Polar patterns are omnidirectional, cardioid, and hypercardioid.

Shock mount
Shock mount

Wind screen
Wind screen

Omni-directional polar pattern

Cardioid polar pattern

Hypercardioid polar pattern

AKG C 4000 B specs

Manual cover
Download the instruction book for this mic.


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