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Mods for the CU-2

  • Microphone PartsMicrophone Parts
    The sharp high-frequency peak of the Avant CU-2 (+7dB @ 12kHz) can be revoiced with a flatter, broader, more musical presence peak by swapping the stock capsule with a 34mm RK-47, a copy of the Neumann K-47.

Avantone Pro CU-2

Pricing & Availability

  • MSRP: $199
  • Discontinued


CU-2 Documentation

CardioidAvantone Pro CU-2

Cardioid Condenser Microphone

The CU-2 is a large-diaphragm Class-A FET USB microphone, designed for plug-and-play operation with any USB computer — no preamp needed.

The capsule is a true condenser, with a 35mm diaphragm.

The onboard ADC (analog to digital converter) is capable of 24-bit, 96-kHz operation. This distinguishes the CU-2 from most USB mics, which are limited to 16-bit operation, and often to 44.1 kHz as well.

The CU-2 ships in a padded wooden box with a suspension shockmount (which doesn’t fit in the box), a 3-meter USB cable, and a 5-year warranty.

The mic was announced at Winter NAMM 2007, and began shipping mid-year.

The Avantone Pro CU-2 is also known as: CU2.

The mic was released in 2007.


Frequency Response - CardioidClick Graph to Compare!
CU-2 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (20 mV/Pa; 20 - 20,000 Hz)
  • Filter: HPF: -6dB/oct@80Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 35mm
n/a Max SPL: 137 dB
Weight Length Max Diameter Interface(s)
n/a 160mm (6.30'') 58mm (2.28'')
  • USB (1)
Power Specifications

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