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OmnidirectionalCardioidBidirectionalX/Y StereoMid-Side StereoAKG Acoustics C 426 B

Multi-Pattern Condenser Stereo Microphone

  • Two gold-sputtered dual-diaphragm transducers arranged as a coincident pair
  • Stereo angle adjustable between 0 and 270 degrees
  • Nine remotely selectable polar patterns for each channel

The AKG Model C 426 B is the direct descendent of AKG’s original C 24 and the more recent C 422 stereo microphone models. New technology has improved the dynamic range, self noise, sensitivity, linearity, frequency response between channels and crosstalk.

Two gold-sputtered CK12 dual-diaphragm capsules are arranged in a coincident pair. The microphone head can be rotated 45 degrees against the shaft and the upper capsule rotated 270 degrees against the lower to facilitate quick changeovers between M/S and X/Y techniques. Two LEDs mounted on each rotating capsule provide quick visual verification of the capsule angle from a distance. Switches on the microphone shaft select a bass cut and 10-dB preattenuation pad.

The supplied remote control allows completely noiseless selection among the nine polar patterns available for each capsule.

The C 426 B comes with a shock mount/stand adapter, foam windscreen, 66-ft. (20-m) connecting cable, sturdy carrying case, and remote control.

Note that this microphone’s CK12 capsule is the same as was used in the famous C12 microphone.

The AKG Acoustics C 426 B is also known as: C426B, C-426, c426.


Frequency Response - OmnidirectionalClick Graph to Compare!
C 426 B Omnidirectional Frequency Response Chart
Frequency Response - CardioidClick Graph to Compare!
C 426 B Cardioid Frequency Response Chart
Frequency Response - BidirectionalClick Graph to Compare!
C 426 B Bidirectional Frequency Response Chart
Pickup Patterns Pads & Filters
Omnidirectional (11 mV/Pa; 20 to 20,000 Hz)
Cardioid (11 mV/Pa; 20 to 20,000 Hz)
Bidirectional (11 mV/Pa; 20 to 20,000 Hz)
X/Y Stereo (11 mV/Pa; 20 to 20,000 Hz)
Mid-Side Stereo (11 mV/Pa; 20 to 20,000 Hz)
  • Pad: -10 dB (Via Switch)
  • Filter: 12 dB/octave at 75 Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
200 Ohms (Low) Max SPL: 132 dB
Self-noise: 14.0 dB(A)
Weight Length Max Diameter Interface(s)
470g (16.58oz) 235mm (9.25'') 33mm (1.30'')
  • 3-pin XLR male (2)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 9 to 52v

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