Old Microphone Cable

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Jun 3, 2014
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4,510
Hi, just got an old microphone from my grandparents, I thought the cable was XLR, it's not. It's 4 prong, something to do with CB radio. I'm currently setting up an audio mixer with a new microphone and thought the sound of this microphone would be unique and classic, and if I could plug it in to the mixer I would. So I need an adapter because this is not XLR and I have no idea what it is.
 
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Ralston18
That works.

Very nice microphone....

Googled the microphone and found this link:

http://www.oldradiosnstuff.com/astaticgoldeneagle-astatic-d-104-golden-eagle-desk-microphone-4-pin

You should be able to open the base up and do some continuity tests between the four female ports in the plug and the corresponding wires inside the base. Figure out what wire does what.

But I also found this link which has some schematics:

https://frrl.wordpress.com/2012/01/28/a-1960s-astatic-d-104-mic-in-the-21st-century-a-real-baby-boomer/

Once you know which ports connect to what on the microphone then you should be able to find or solder up an adapter to match the mixer connection.

Proceed carefully - microphone may be valuable in itself.
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Ralston18

Ralston18

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Oct 11, 2014
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146,290
That works.

Very nice microphone....

Googled the microphone and found this link:

http://www.oldradiosnstuff.com/astaticgoldeneagle-astatic-d-104-golden-eagle-desk-microphone-4-pin

You should be able to open the base up and do some continuity tests between the four female ports in the plug and the corresponding wires inside the base. Figure out what wire does what.

But I also found this link which has some schematics:

https://frrl.wordpress.com/2012/01/28/a-1960s-astatic-d-104-mic-in-the-21st-century-a-real-baby-boomer/

Once you know which ports connect to what on the microphone then you should be able to find or solder up an adapter to match the mixer connection.

Proceed carefully - microphone may be valuable in itself.
 
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Solution
T

Trinitive HD

Reputable
Jun 3, 2014
8
0
4,510
By cracking open this mic I might be hurting the value, and by the looks of how old it is, (post 1976) and given its working condition I'm now caught between fixing it up for pc use, using it as a prop, or selling it. I'll have to consider it. Thank you for the assistance,
----IF I do decide to alter this mic I'll have to look more in depth and figure out if I could even plug it in to my audio mixer by soldering it to an aux cord ( or even if it would sound okay). Definetly tricky for me.
 
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Ralston18

Ralston18

Titan
Moderator
Oct 11, 2014
35,051
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Agreed.

Hopefully taking a look will not hurt.

However what you might do is put together an adapter "cable" which you plug in between microphone and mixer. Then do any testing via the cable.

Some sort of breadboarding where you can easily change around the connections until a working match is found. You can even use the schematic in lieu of opening the base.

May require a visit to Radio Shack or some local electronics/hobby shop and some money for parts. Plus no soldering.....
 
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