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Model 70
01-07-2018, 09:46 AM
A capacitor used in this fashion is of doubtful usefulness. If the radio originally had cap 40, my advice is leave it out and up capacitors 38 and 41 to 10uf. The idea was to create a tuned circuit to trap out the 120 cycle ripple. The problem with this is, if the capacitor is off value, either high or low, it will actually increase hum. Other models used this capacitor also, I always omit them.
Steve M R Radios C M Tubes
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Messages In This Thread
RE: Model 70 - by Ron Ramirez - 11-29-2017, 09:33 PM
RE: Model 70 - by vecher - 12-02-2017, 12:55 AM
RE: Model 70 - by Arran - 12-02-2017, 02:46 AM
RE: Model 70 - by Steve Davis - 12-02-2017, 07:53 AM
RE: Model 70 - by vecher - 12-02-2017, 01:30 PM
RE: Model 70 - by vecher - 12-02-2017, 03:40 PM
RE: Model 70 - by vecher - 12-03-2017, 10:23 AM
RE: Model 70 - by morzh - 12-03-2017, 11:20 AM
RE: Model 70 - by vecher - 12-24-2017, 11:40 PM
RE: Model 70 - by AudreyHepburn - 12-29-2017, 10:14 PM
RE: Model 70 - by vecher - 12-29-2017, 10:59 PM
RE: Model 70 - by Radioroslyn - 12-29-2017, 11:36 PM
RE: Model 70 - by TV MAN - 12-30-2017, 10:30 PM
RE: Model 70 - by vecher - 12-31-2017, 01:19 AM
RE: Model 70 - by vecher - 01-06-2018, 11:17 PM
RE: Model 70 - by klondike98 - 01-07-2018, 08:16 AM
RE: Model 70 - by Steve Davis - 01-07-2018, 09:46 AM
RE: Model 70 - by Ron Ramirez - 01-07-2018, 09:52 AM
RE: Model 70 - by vecher - 01-07-2018, 11:53 AM
RE: Model 70 - by vecher - 01-10-2018, 11:15 AM
RE: Model 70 - by Steve Davis - 01-10-2018, 11:36 AM
RE: Model 70 - by klondike98 - 01-10-2018, 12:07 PM
RE: Model 70 - by vecher - 01-10-2018, 01:08 PM
RE: Model 70 - by morzh - 01-10-2018, 04:05 PM
RE: Model 70 - by klondike98 - 01-10-2018, 05:25 PM
RE: Model 70 - by Warren - 01-10-2018, 08:17 PM
RE: Model 70 - by vecher - 01-10-2018, 11:59 PM
RE: Model 70 - by vecher - 01-11-2018, 12:12 AM
RE: Model 70 - by Steve Davis - 01-11-2018, 01:00 AM
RE: Model 70 - by morzh - 01-11-2018, 08:36 AM
RE: Model 70 - by vecher - 01-13-2018, 07:18 PM
RE: Model 70 - by vecher - 01-13-2018, 07:21 PM
RE: Model 70 - by vecher - 01-16-2018, 11:13 PM
RE: Model 70 - by vecher - 01-20-2018, 08:17 PM
RE: Model 70 - by Steve Davis - 01-20-2018, 11:07 PM
RE: Model 70 - by EdHolland - 01-21-2018, 02:33 AM
RE: Model 70 - by Steve D - 01-21-2018, 10:49 AM
RE: Model 70 - by vecher - 01-21-2018, 01:22 PM
RE: Model 70 - by vecher - 01-21-2018, 05:02 PM
RE: Model 70 - by vecher - 01-21-2018, 11:02 PM
RE: Model 70 - by vecher - 01-22-2018, 08:47 PM
RE: Model 70 - by vecher - 01-28-2018, 10:25 PM
RE: Model 70 - by mg34.42 - 03-18-2018, 02:32 PM
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