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Monthly Archive for: ‘July, 2020’

Remote Capsule Microphones: Care and Feeding

Remote Capsule Microphones: Care and Feeding

featured image courtesy of freepik Remote capsule microphones describe a broad class of devices that are designed with a condenser microphone capsule extended from its standard amplifier “microphone body”—which may be a phantom powered adaptor, wireless transmitter, or a low-voltage microphone input—by some length of cable.  The remote capsule (or a mating coupling) must contain a minimal circuit to drive …

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Concepts in Audio Signal Transmission: Part III

Concepts in Audio Signal Transmission: Part III

image credits: pinclipart and eatuppizza Microphone Powering Part II of this series noted that condenser microphones require an amplifier circuit which must consist of either a JFET or a tube very close to their capsules, and therefore a power source for that amplifier.  Externally polarized condensers also required a power source for their polarization voltage.  This entry will consider the …

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