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Audix A133 Studio Condenser Microphone
The Audix A133 is a large-diaphragm cardioid condenser microphone for vocals, choir, voice-over, podcasting, piano, acoustic instruments, and drum overheads. Its compact, roadworthy body is suited to professional recording, studio work, and live performance.
Natural, detailed capture
The 33 mm fixed-charge capsule uses a 29 mm, 3.4-micron gold-sputtered diaphragm. An open-air capsule mount and low-noise preamp circuitry support transparent reproduction, while the cardioid pattern helps reject room noise and unwanted off-axis sound.
Control for studio and stage
A switchable −10 dB pad extends the maximum sound pressure level from 140 dB to 150 dB for loud sources. The 150 Hz bass roll-off reduces rumble and low-frequency vibration. A proprietary internal shock mount isolates the capsule from handling noise, while the dual woven-steel grille and ultra-thin acoustic foam improve resistance to vocal plosives.
Key specifications
- Type: large-diaphragm condenser microphone
- Capsule: 33 mm fixed-charge; 29 mm, 3.4-micron gold-sputtered diaphragm
- Polar pattern: cardioid
- Frequency response: 40 Hz–20 kHz
- Sensitivity: 23 mV/Pa at 1 kHz
- Output impedance: 150 ohms
- Signal-to-noise ratio: 84 dB
- Equivalent noise level: 10 dBA
- Dynamic range: 130 dB
- Maximum SPL: 140 dB; 150 dB with pad
- Pad: −10 dB
- Bass roll-off: 150 Hz
- Power: 48 V phantom ±4 V
- Connector: 3-pin XLR male
- Body: machined aluminum; steel-alloy grille
- Dimensions: 136 × 54.5 mm
- Weight: 280 g
Included
Audix A133 microphone, DCLIP snap-on clip, and protective zippered carrying case.