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OmnidirectionalCardioidBidirectionalAvantone Pro CK-7

Multi-Pattern Condenser Microphone

Avant’s CK-7 is a transformer-coupled large-diaphragm FET condenser with three pickup patterns: cardioid, omni, figure-8.

Onboard switches provide access to a -10dB pad and a high-pass filter (-6dB/octave below 80Hz).

The mic’s capsule is a dual-diaphragm, multipattern design. The capsule diameter is 35mm; the Mylar diaphragms measure approximately 30mm across, and are center-terminated.

The CK-7 ships with an elastic shockmount, a wooden storage case, and an aluminum flightcase.

The Avantone Pro CK-7 is also known as: CK7.

The mic was released in 2006.


Frequency Response - OmnidirectionalClick Graph to Compare!
CK-7 Omnidirectional Frequency Response Chart
Frequency Response - CardioidClick Graph to Compare!
CK-7 Cardioid Frequency Response Chart
Frequency Response - BidirectionalClick Graph to Compare!
CK-7 Bidirectional Frequency Response Chart
Pickup Patterns Pads & Filters
Omnidirectional (12.6 mV/Pa; 20 - 20,000 Hz)
Cardioid (12.6 mV/Pa; 25 - 20,000 Hz)
Bidirectional (12.6 mV/Pa; 38 - 20,000 Hz)
  • Pad: -10dB (Via Switch)
  • Filter: HPF: -6dB/octave @ 80Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 30mm
Capsule diameter: 35mm
250 Ohms (Low) Max SPL: 139 dB
Self-noise: 16.0 dB(A)
Weight Length Max Diameter Interface(s)
650g (22.93oz) 187mm (7.36'') 51mm (2.01'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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