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Author Topic: Sony C37A  (Read 2707 times)


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  • Real Full Name: Andy Gibbons
Sony C37A
« on: June 29, 2011, 05:30:06 AM »


Can anyone help me with the correct HT voltage for the Sony C37A microphone please. I am in the process of constructing a power supply for it and the HT (B+) voltage is not given. I'm going to build the original thermionic rectifier version (which will sound better) if that's any help.

Many thanks in advance

Andy Gibbons


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  • Real Full Name: Luis Fernando
Re: Sony C37A
« Reply #1 on: July 01, 2011, 07:07:54 PM »

275 VDC and a 6.3 VDC heater supply
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