Audix | A231 | Large Diaphragm Studio Condenser Microphone

The A231 is a large diaphragm condenser microphone built for the most discerning studio user. With its externally-biased “true condenser” capsule and low-noise circuitry, the A231 is able to capture the nuances of the human voice as well as the rich overtones of acoustic instruments with natural warmth and in stunning detail. An exceptionally consistent cardioid polar pattern focuses on the performance while offering smooth off-axis rejection. 33 mm externally-biased condenser capsule 25% greater effective diaphragm area Cardioid polar pattern Proprietary internal shock mount Low noise preamp circuitry Machined aluminum body with gold-plated brass band Specifications Transducer / Capsule Technology 33 mm externally-biased condenser capsule / 29 mm 3.4 micron gold-sputtered diaphragm Frequency Response 20 Hz – 20 kHz Polar Pattern Cardioid Output Impedance 150 ohms Sensitivity 16 mV / Pa @ 1 kHz Signal to Noise Ratio 82 dB Maximum SPL 140 dB Dynamic Range 128 dB Equivalent Noise Level 12 dBA Operating Voltage 48 V (± 4 V) Phantom Connector 3-pin XLR m Materials / Finish Body: Machined aluminum and gold-plated brass band Grille: Steel alloy Weight 330 g / 11.6 oz