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R/E/P => Klaus Heyne's Mic Lab => Topic started by: DanDan on April 15, 2021, 03:52:57 pm

Title: Clear U47 Circuit Diagram
Post by: DanDan on April 15, 2021, 03:52:57 pm
The common  U47 schematic knocking around seems to be a photo, not very clear.  I have searched quite a few times for a High Resolution image of a U47 Schematic. Anyone got one?
Title: Re: Clear U47 Circuit Diagram
Post by: klaus on April 15, 2021, 04:03:59 pm
Send me your email address and the approximate series/date of manufacture of the U47 you are interested in, and I will scan you the schematic.
Title: Re: Clear U47 Circuit Diagram
Post by: DanDan on April 16, 2021, 03:31:10 pm
Always the gentleman Klaus. Thank you. My patient is S/N 4831. Sold by Neumann to Radio Tehran in 1960. My email is soundsoundstudio@gmail.com