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CardioidMXL CR30

Cardioid Condenser Microphone

The Cr30 is a transformerless FET condenser mic with a fixed Cardioid polar pattern and a large-diaphragm capsule. It is MXL’s “Black Widow” microphone, rebranded as part of the black chrome product line.

The circuit uses a mix of through-hole and surface mount components, including 3 integrated circuits.

A 3-position switch on the rear of the microphone enables a pad: 0dB (disabled), -10dB, -20dB.

The capsule is MXL’s 32mm K67 variant, presumably with a clear rear diaphragm.

It ships with a polishing cloth, an elastic shockmount, and a flightcase.

Permalink: MXL CR30

The mic was released in 2012.


Pickup Patterns Pads & Filters
Cardioid (25 mV/Pa; 20 - 20,000 Hz)
  • Pad: -10dB (Via Switch)
  • Pad: -20dB (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
150 Ohms (Low) Max SPL: 158 dB
Weight Length Max Diameter Interface(s)
499g (17.60oz) 145mm (5.71'') 47mm (1.85'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48±4v

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