Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand
State, Province, Country: Indiana
> Were you happy with the cap specs you chose for the tone switch? Or where those of known values?
Known values; you can see them here:
https://philcoradio.com/library/images/schem/90b.jpg
> insofar as the speaker, is the polarity of the voice coil and field coil critical? Do they need to be in a specific phase?
I'd say likely not; however, I will defer to the other guys (morzh, RadioRoslyn, et al).
--
Ron Ramirez
Ferdinand IN
Messages In This Thread
RE: Philco 90 1-47 Triode - by Ron Ramirez - 06-27-2023, 10:51 AM
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