This is collected by the Macsot MR-700 wireless microphone system launch of the circuit for maintenance reference. High Quality Audio on receiver output.Active components:Microphone or Audio Preamplifier with IC MC4458Dynamic Audio processed with one NE571 From PhilipsFrequency Oscillator generated by one crystal 20.05 MHz and Varactor diode 2CB11A. No drift frequency is guaranted.9V DC power supply or battery. More info ...
Broadcast Electronic
