19th Nov 2019, 9:59 pm
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#2
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Moderator
Join Date: Jan 2003
Location: Ipswich, Suffolk, IP4, UK.
Posts: 21,289
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Re: Grundig GDM 312
These mics incorporate a transformer. It's probably wired similarly to the drawing in post #9 in this thread:-
https://www.vintage-radio.net/forum/...d.php?t=101561
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Graham. Forum Moderator
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