AKG Cardioid Microphone

The C391B features the CK 91 cardioid capsule and SE 300 B powering/output assembly. Part of the Blue Line series, the C391B exhibits accurate axial response and uniform pattern control. Self noise and maximum operating levels are exemplary, creating a very wide usable dynamic range (20Hz to 20kHz). The SE 300 B powering/ output assembly provides for 10 dB of attenuation for operation at high sound pressure levels, as well as a 12 dB/octave low cut below 75 Hz for close usage. A complete line of optional accessories is available including an extension cable for operating the microphone capsule up to 10 ft. (3 meters) from the powering/output module. • 20 to 20kHz Frequency Range • 132/142 dB (for 1% THD) Max. SPL • 200 ohms Impedanc