Question about Astatic 636L Noise Canceling Microphone Microphone

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Astatic noise canceling microphone to 4 pin cobra 29 ltd classic

I have a astatic 636l microphone with a cobra 29ltd classic cb radio. I had to resolder the red wire and am not sure where I am supposed to resolder the yellow. If I understand the wiring diagram there is no connection for the yellow on a 4pin cobra or am I supposed to solder it to the ground shield since it is the recieve ground. Can someone please help me out

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According to the astatic wiring hand book it is not used. I would leave it terminated but long enough that if you find your having noise when you receive you could still ground it. I'm pretty sure you don't need it.

Goodluck
Rob

Posted on Dec 07, 2008

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I have a Cobra 21- 23 channel CB and the wires pulled out of the plug. The mike wire has red,yellow black,blue,whiteand a ground. My plug has only four prongs to solder to. What four colors do I use?


Hello there
Here is the diagram for you
Cobra 29LTD, 29LTD ST, 29WX ST
Documentation Project
CBTricks.com

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25ltd_st_sm.jpg
Click Picture to See Close-up
cobra_29ltd_st_29wx_st_side.gif 29LTD ST Owners Manual pdf_1.gif
29WX ST Owners Manual pdf_1.gif
DIAGRAMS
29LTD ST Schematic Diagram pdf_1.gif
29LTD ST Schematic Diagram gif.gif
29WX ST Schematic Diagram pdf_1.gif
WX Schematic Diagram pdf_1.gif
29LTD, 29LTD ST, 29WX ST Factory Service Manual pdf_1.gif
Page 1 to 11
Page 12 to 34
29LTD Factory Service Manual pdf_1.gif
29LTD
29LTD Schematic Diagram pdf_1.gif
29LTD Schematic Diagram jpg.gif
29 LTD Classic Schematic Diagram pdf_1.gif(Courtesy of Rick Jackson)



Mic Wiring
Stock
1- Shield
2- Audio
3- Transmit
4- Receive
Astatic (4 wire)
1- Shield
2- White
3- Red
4- Black

Astatic (6 wire)
1- Shield & Blue
2- White
3- Red
4- Black
Yellow NC
Daiwa EM-500
Cobra CA Series

1- Shield & Black
2- Red
3- White
4- Blue
Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black
Galaxy CB-660EI
1- Shield & Black
2- White
3- Red
4- Blue
Sadelta
1- Shield
2- White
3- Brown
4- Green
Turner
1- Shield & Red
2- White
3- Blue
4- Black
Yellow NC

Nov 17, 2009 | Cobra 29 LTD CB Radio

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

636l astatic mic


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

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

1 Answer

Yellow wire on astatic 636L


that depends on what radio you want to use it with however looking at the astatic wiring handbook it doesn't seem to be used on most radios.

good luck
Rob

Nov 03, 2008 | Astatic 636L Noise Canceling Microphone...

1 Answer

Astatic 636l microphone Cobra 29ltd classic


pin 1= sh & bl
pin 2= wh
pin 3= red
pin 4= blk
yellow = not used or put on pin 4

Nov 02, 2008 | Astatic 636L Noise Canceling Microphone...

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