Cable Length for 514B

FAQ #1589 Updated February 23, 2018


What is the maximum cable length I can use with the 514B mic while still providing clear audio and PTT functionality? What is the best type of cable to use in this application?


We will assume that the 514B will be feeding a device with a low impedance, balanced input. In that case, 1,000 feet of cable is acceptable.

Use a microphone cable with a shielded twisted pair for the audio, and an unshielded twisted pair for the PTT circuit. Check:

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