Question about Astatic 878HL2 Microphone

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Astatic 878dm cb power mic

How do you get the battery cover off to install the 9volt battery?

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SOURCE: mic wire diagram

I believe this is what you was looking for
http://www.tech-systems-labs.com/pdf-files/astatic.pdf

Posted on Dec 30, 2008

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SOURCE: Does anybody know the wiring sequance that you

Its not in my area of expertise but maybe this link will have some info:http://www.dxzone.com/catalog/Technical_Reference/Mic_wiring/

Posted on Sep 01, 2009

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How do I wire an Astatic 636l for an Yaesu Ft101zd?


At transceiver:
Pin 1: ground/PTT common
Pin 2: mic +
Pin 3: PTT NO
Pin 4: not used

At the mic, I think:
Pin 1: shld&blue
Pin 2: white
Pin 3: red
Pin 4: black

Sep 19, 2014 | Astatic 636L Noise Canceling Microphone...

2 Answers

How do i wire my d104 m6b mic for my president dwight d cb raido


Hi,

This must be the right pinning

Pin 1 = shield / blue
Pin 2 = white
Pin 3 = red
Pin 4 = black

good luck,
Gerard

Feb 05, 2010 | Astatic 636L Noise Canceling Microphone...

1 Answer

Hi i have an astatic 200s that is not working


That is a HIGH VALUE antique mic. It is a CRYSTAL type microphone and as such is a HIGH IMPEDANCE type requiring a preamp with high inout impedance. You will get nothing if you run it into inouts intended for a dynamic mic.

Do not damage it as it has antique value around $200

Sep 30, 2009 | Astatic Microphones

1 Answer

Does anybody know the wiring sequance that you would use for the Astatic 636L Noise Canceling Mic To a six pin plug to a Midland Alan 48 cb


Its not in my area of expertise but maybe this link will have some info:http://www.dxzone.com/catalog/Technical_Reference/Mic_wiring/

Aug 25, 2009 | Astatic 636L Noise Canceling Microphone...

1 Answer

The mic doesnt work ...it use to but all the sudden it quit doesnt even key up so i can hear it my talk back


First, try another mic on the radio to be sure it's the mic and not the radio causing the problem. If it's the mic, check the wiring circuits for a bad switch or broken wire. Simply...the TX circuit is closed and the RX is open when the key is squeezed. The RX circuit is closed and the TX circuit is open when the key is released. Use a simple ohm meter to check for resistance between the pins on the mic (after removal from the radio of course). Open circuit will read 1, closed circuit should be very close to zero. You'll probably find the TX circuit never closes when the key is squeezed. Could be a broken wire or faulty switch in the handset.
Also check...If the mic "keys up"...you see the meter move normally, but no voice...it's either a faulty mic element (the little round thing you talk into) or the audio circuit of the radio has a defective component which a good CB shop can replace.

Jun 14, 2009 | Astatic 636L Noise Canceling Microphone...

1 Answer

636l astatic mic


the wiring is the same as a cobra yellow n/c

Feb 02, 2009 | Astatic 636L Noise Canceling Microphone...

1 Answer

Mic problem


Hi and welcome to FixYa,

Offhand, the 4 pin mic connector and corresponding pin # would depend on the communications equipment the Astatic was initially wired for. However, the color coding of the wires in an Astatic would be:
  • white - mic audio;
  • shield/blue - gnd;
  • black - NC or speaker;
  • red - NO or PTT;
  • yellow - not normally used.
Good luck and Thank you for using FixYa. Happy Holidays.

Dec 09, 2008 | Astatic 636L Noise Canceling Microphone...

2 Answers

Astatic mic. model 636-L


http://homepage.ntlworld.com/rg4wpw/astaticbook.pdf

Mar 13, 2008 | Astatic 636L Noise Canceling Microphone...

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