How to wire a mic

Rod Wallberg

• 494 Answers
• Posted on Feb 14, 2010

SOURCE: would like info on wiring dm 452 echo mic on icom 400 pro

There is a users group on yahoo that you could join and ask your question. I am not too familiar with this radio and this is the best I could do...

Mechanic688

• 204 Answers
• Posted on Nov 05, 2008

SOURCE: trying wire a superstar dm-452

Hello bubba, the wiring code for the radio is
Mic Wiring
Stock
1- Shield
2- Audio
3- Transmit
4- Receive

Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black

If this is the power /echo mic like it looks to be from the Workman catalog, then I can't remember what the wiring code is for the mic. I do know, that the audio wire has the ground/shield wire wrapped around it.Could be just about any color. Put the shield on pin 1 and the audio wire on pin 2 and all you have left should be 2 more. If you get it backwards, then the radio will key up as soon as you turn it on. You'll have to key it to hear the speaker. Just reverse the 2 on pins 3-4. Hope this helps as it's been over a year since I've seen one. Let me know,,, Mechanic

SOURCE: dm 452 microphone

this radio is made by PEIRCE SIMPSON and is wired like a cobra.
pin 1 shiels or ground
pin 2 is audio
pin 3 is transmit
pin 4 is recieve

shield is a bare wire wraped around the audio wire.i dont know the colors of the wires in the echo mic.the transmit wire will have contiuity with the shield wire when the mic is keyed that wiregoes to pin 3 . there should be 2 wires left. check these wires one at a time with the shield wire one will have contiunity . this wire will go to pin 4 recieve.the other wire will go with the shield wire on pin 1
this is the way you find how it wires. it will take an ohm meter to find whice wire goes where.

james morgan
morgans electronics

SOURCE: wiring of turner dm 7800 base mike [ old

hello i have now got the problem solved thanks to your team very fast response thank you 54 alex