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Sanken CO-100K

Omnidirectional super wide range condenser microphone with an unprecedented 20 Hz to 100 kHz frequency response
MFR# CO-100K 100kHz Super Wide Range Microphone
Sanken CO-100K
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The Sanken CO-100K is the first 100 kHz microphone in the world designed for actual professional recording, not for measurement purposes. A revolutionary microphone designed with NHK’s Science & Technical Research Laboratories, it is Sanken's response to those enthusiastic engineers who wish to record frequencies as high as 100 kHz. After rigorous test recordings, it was found that this microphone is especially suited for classical music, acoustic instrument and sound effect recording. Prominent owners have used two CO-100K in stereo pairs, overall string sections, and in four and five channel arrays for surround and front of orchestra.

Within the conventional "audible frequency" band of 20 Hz to 20 kHz the performance is exemplary, and clearly different. But the CO-100K also provides the opportunity to experience musical sounds far beyond the typically accepted upper frequency limit. The CO-100K is a new step in microphone technology, providing new realms of musical detail and nuance that has never before been possible.


  • 20 Hz to 100 kHz microphone
  • Unique diaphragm design
  • For professional recording

Additional Information

Condition New
Package Contents CO-100K mic, measurement data, instruction manual, warranty card, amd vinyl case
Length 191 mm
Diameter 20 mm
Unit Weight 150 g
Transducer Type Condenser
Polar Pattern Omni-Directional
Number of Microphones Single Microphone
Impedance 150 Ohms
Frequency Range 20 Hz - 100 kHz
Sensitivity -28 dBV/PA (39.8 mV)
Max. SPL 125 dB SPL
Analog or Digital Analog

Incredibly unique mic. I use it for sound effects recording at 192kHz for extreme pitch shifting and manipulation in sound design for feature films. It has proven an invaluable tool for expanding my sonic palette and offering up a range of new possibilities for recording new source material.

Highly recommend this mic for creatives looking to achieve something similar.

By Matt Y on February 6, 2019

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