The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

The Demco Power Modulator WAS/IS a tube type Pre amp that attached between the mic jack of the transmitter/transceiver and the microphone. It had a chasis mounted mic jack to plug the mic into and a cord with a plug that went to the radio mic jack. They were originally made for the Demco Sattelite B...