2 CMC6U w/MK22 Open Cardioids


A stereo pair of CMC6U preamps with MK22 open cardioid capsules.
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Selected Model Price: $3,125.00
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A stereo pair of CMC6U preamps with MK22 open cardioid capsules. The open cardioid directional pattern, occupying a point on the spectrum between the wide cardioid and classic cardioid patterns, was developed by Schoeps in 2008. The response is -5dB at 90° and there is 16dB suppression of rear-incident sound. It is in essence a variant cardioid which balances a very natural sound quality with a good degree of directionality.

The years of experience which many recording engineers have had with the various types of Schoeps cardioid microphones have played a large role in the design process. The MK4 cardioid is often relied upon as a reference microphone, even in difficult recording situations; its sonic transparency and outstanding suppression of rear-incident sound make it a universal problem-solver. The MK21 wide cardioid offers an alternative when its lower directivity fits the recording situation, e.g. for the first desk of strings for solo piano. This capsule is prized for its sonic character (similar to that of a pure omnidirectional microphone) at its relative lack of proximity effect. Then the wish arose for a "middle way" which would combine these characteristics into a single capsule. The result is the MK22 Open Cardioid. This kit includes (2) CMC6 with MK42 open cardioid matched pair, (2) SG20 stand clamps and B5 D popscreens


  • New kind of directional pattern: "Open Cardioid"
  • Optimal combination of classic cardioid directionality (MK4) with the sonic character of the wide cardioid (MK21)
  • Directional pattern largely constant throughout the frequency range
  • Often preferred for spot miking and as a soloist's microphone


  • Frequency Range: 40Hz - 20kHz
  • Sensitivity: 14mV/Pa
  • Equivalent Noise Level (A-weighted): 14dB-A
  • Equivalent Noise Level (CCIR): 23dB
  • Signal-to-Noise Ratio (A-weighted): 80dB-A
  • Maximum Sound Pressure Level at 0.5% THD: 130dB-SPL



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