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Providing power to the JC37 microphone is the Tonelux 37-PSU, a variation of the Tonelux universal tube microphone power supply, which with its adjustable B+ and heater voltage – along with selectable heater elevation can be configured to operate nearly any vacuum tube microphone in existence.


I/O for two JC37 microphones is provided for stereo/dual miking capability, meaning the mics are available in pairs, or that a second JC37 may be purchased at a later time, without the additional cost of another PSU.

Tonelux 37-PSU Power Supply for JC37

  • Tonelux 37-PSU Power Supply for JC37
  • Power Supply for Tonelux JC37 Microphone
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