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Philco 645 Hum-m-m-m
morzh
Odobenus rosmarus
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Posts: 15,317
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#18

04-13-2014, 08:28 PM
C58 can get the increase. Do not increase C59 (which is 12uF). It will simply raise your voltages.
The C58 will not raise voltage and will attenuate the hum if it is caused by pulsation in the power voltage.

BTW is your field coil 445 Ohm as shown?
(This post was last modified: 04-13-2014, 08:29 PM by morzh.)
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Messages In This Thread
Philco 645 Hum-m-m-m - by Winky Dink - 04-07-2014, 07:21 PM
RE: Philco 645 Hum-m-m-m - by gregb - 04-07-2014, 07:24 PM
RE: Philco 645 Hum-m-m-m - by Warren - 04-07-2014, 08:05 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-07-2014, 08:23 PM
RE: Philco 645 Hum-m-m-m - by Ron Ramirez - 04-08-2014, 04:31 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-08-2014, 09:10 AM
RE: Philco 645 Hum-m-m-m - by PAradiogeek - 04-08-2014, 10:16 AM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-08-2014, 12:26 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-08-2014, 11:54 PM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-09-2014, 09:58 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-09-2014, 12:45 PM
RE: Philco 645 Hum-m-m Fixed? - by Winky Dink - 04-12-2014, 09:43 AM
RE: Philco 645 Hum-m-m-m - by Steve Davis - 04-12-2014, 10:36 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-12-2014, 10:57 AM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-12-2014, 11:04 AM
RE: Philco 645 Hum-m-m-m - by BrendaAnnD - 04-12-2014, 03:18 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-13-2014, 04:14 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-13-2014, 08:28 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-14-2014, 12:29 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-14-2014, 07:23 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-16-2014, 03:28 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-16-2014, 09:30 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-16-2014, 03:24 PM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-16-2014, 03:43 PM
RE: Philco 645 Hum-m-m-m - by morzh - 04-16-2014, 04:05 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-17-2014, 03:54 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-17-2014, 07:54 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-18-2014, 12:08 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-02-2014, 10:20 PM
RE: Philco 645 Hum-m-m-m - by Arran - 07-02-2014, 11:21 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-03-2014, 12:53 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-03-2014, 08:45 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-03-2014, 11:37 PM
RE: Philco 645 Hum-m-m-m - by morzh - 07-05-2014, 10:09 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-06-2014, 12:57 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-06-2014, 07:58 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-06-2014, 08:30 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-06-2014, 09:16 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-07-2014, 07:04 PM



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