[AMRadio] Western Electric 639B Microphone

Alan Cohen acohen at texas.net
Thu Nov 18 11:45:05 EST 2004

While we are on the subject, I too have a 639 ribbon mic.  Mine is the 
A model, which only has three patterns.  Both the ribbon and dynamic 
sections of my microphone work, but the switch wafer rotted out a while 
back and I need a wiring diagram to repair the microphone.  I did find 
a manual for the mic on line, but alas, there is no diagram.


On Nov 18, 2004, at 11:00 AM, Geoff/W5OMR wrote:

> I have one of these beautiful Ribbon microphones, but it's been 
> banging around
> in my shack for some 40+ years.
> I was always told it didn't work, and the output was low, etc...
> Come to find out, it's a 'balanced line output' mic, and when I hung 
> an XLR
> connector on it, and plugged it into
> my speech-amp it really came to life.
> So, what I'm looking for is the top part of the microphone exterior 
> (comes in
> three stages) to replace mine that's
> got some broken peices, missing paint, etc...  I can re-do the screen 
> inside the
> selected covers, and I'll re-finish
> the exterior first, with period grey wrinkle pain, but I need to have 
> a complete
> set of 639B mic covers, first.
> Any help?
> 73 = Best Regards,
> -Geoff/W5OMR
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