Maestro and Dynamic Mic

Lorenzo Mendini · June 2020

Hi, with my IC-7851 i use this microphone ( https://www.amazon.it/Microfono-AntLion-Audio-ModMic-bottone/dp/B00R98JVVU ) but for work it's necessary the 5V DC on pthe Mic pin.. how i can use it on my maestro? Many thanks

Paul_Mills · June 2020

There is a software turn on for the Maestro mic bias. l believe under phone/cw tab.

Steven WA8Y · June 2020

With Dynamic (coil and magnet) mics, adding a capacitor in series with the mic line with prevent mic damage and allow it to function.

Paul_Mills · June 2020

Not needed for the mic he specified.

Bob Needleman · June 2020

Icom (eg. IC-7851) uses electret mikes that require 5vdc to power them. Dynamic mikes, like those made by Heil, etc, do not require any phantom power or capacitors in the mike line and will work fine in the Flex with no need for biasing ( you may need to turn on the 20dB mike preamp to get adequate gain since dynamic elements are not as “hot” as electret and condenser mike elements). Bob K3AC

Maestro and Dynamic Mic

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