Austrian Audio OC18 Large-diaphragm Condenser Microphone

Sale price$799.00


Austrian Audio OC18 Popular Cardioid Pattern Precision Microphone

Consistent performance

Engineered and manufactured in Austria, its high sensitivity and low self-noise means it can handle everything from a whisper to extreme SPLs without distortion, making it the perfect choice for studio, live, and broadcast applications. The unique ceramic capsule design is so consistent, that the OC18 can be match-paired with any other OC18 or paired with any OC818 set in cardioid mode.


  • The same handcrafted design as the OC818.
  • Handcrafted CKR6 ceramic capsule.
  • Every Austrian Audio OC18 and OC818 is within 1dB of each other, making any two microphones a stereo pair.


  • Directional characteristics: Single
  • Impedance: 275 Ω (symmetrical)
  • Polar pattern: Cardioid
  • Load impedance: > 1 kΩ
  • Frequency range: 20 Hz - 20 kHz
  • Supply voltage: 48 V (< 2.2mA)
  • Sensitivity (all directions): 13mV/Pa
  • Main Connector: XLR 3-pin
  • Equivalent noise level: 9 dB (A)
  • Max SPL: 148 dB SPL (158 dB SPL)
  • Dimensions: 157 x 63 x 35 mm
  • Switchable pad: -10 dB, -20 dB
  • Weight: 335 g
  • Analog Low Cut filter: 40 Hz (2nd order), 80 Hz (2nd order), 160 Hz (1st order down to 80Hz, 2nd order below)

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