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help disigning 12AY7 based mic pre
help disigning 12AY7 based mic pre
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Old 2nd July 2005, 04:35 PM   #1
craigmorris74 is offline craigmorris74  United States
diyAudio Member
Join Date: Jun 2005
Location: Benton, ky
Default help disigning 12AY7 based mic pre


I recently purchased a 12AY7 based mic pre removed from an RCA BC-3C mixer. Follow this link for schematics, a picture, and BC-3C block diagram:
I was looking for suggestions in building the input section and output section (especially transformers) and building (or purchasing) a power supply.
Any help would be appreciated.

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