10-28-2014, 08:24 PM
The volume control is before I st AF type 27 tube. As I said, the hum is present with that tube out. 47 tube -2nd AF has no grid cap.
Philco 90
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Philco 90 - by fields 100 - 10-28-2014, 08:03 PM
RE: Philco 90 - by Phlogiston - 10-28-2014, 08:11 PM
RE: Philco 90 - by fields 100 - 10-28-2014, 08:24 PM
RE: Philco 90 - by morzh - 10-28-2014, 08:54 PM
RE: Philco 90 - by TV MAN - 10-29-2014, 12:53 PM
RE: Philco 90 - by morzh - 10-29-2014, 03:06 PM
RE: Philco 90 - by fields 100 - 10-29-2014, 03:34 PM
RE: Philco 90 - by morzh - 10-29-2014, 08:08 PM
RE: Philco 90 - by fields 100 - 10-29-2014, 08:29 PM
RE: Philco 90 - by morzh - 10-29-2014, 09:33 PM
RE: Philco 90 - by TV MAN - 11-02-2014, 06:01 PM
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