In-Line RF Interference Attenuator

In-line RF interference attenuator reduces interference from AM radio stations that may bleed into microphone lines when using long cables.




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RFI when using a Shure mic and a Korg recorder
October 20, 2017

The sources and causes of RFI are numerous, enough so that there are entire books written on the subject.As a place to start, go to the link below and ...

Radio interference on a microphone cable.
September 14, 2017

Troubleshooting and fixing RFI is a trial and error process.  First, you can try to rule out the microphone by disconnecting the cable at the mic ...

Shure VP88 RFI ( radio station interference)
August 30, 2017

The AM RF signal is probably being picked up by the mic cable, carried into the mic on the cable shield, demodulated inside of the mic to audio, and s ...

A15 Problem Solvers - Functions of Each
August 29, 2017

All Shure A15 devices have XLR connectors.A15AS - Attenuator Switchable.  The A15AS reduces the signal level from a microphone by 15 dB, or 20 dB ...