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37-93 recapped but its a hummer
11-17-2014, 08:37 AM
The filtering of the power supply in that model is somewhat marginal. You might try adding an additional or larger value cap across C6A, the second filter after the field coil and see if it reduces the hum. As Jerry said, there is not much left to check but the power supply or speaker field.
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Messages In This Thread
37-93 recapped but its a hummer - by DanH6464 - 11-14-2014, 03:40 PM
RE: 37-93 recapped but its a hummer - by jerryhawthorne - 11-14-2014, 03:51 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-14-2014, 04:54 PM
RE: 37-93 recapped but its a hummer - by OZ4 - 11-15-2014, 09:55 PM
RE: 37-93 recapped but its a hummer - by jerryhawthorne - 11-15-2014, 10:10 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-16-2014, 10:50 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-16-2014, 11:31 PM
RE: 37-93 recapped but its a hummer - by jerryhawthorne - 11-16-2014, 11:52 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 12:11 AM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 12:16 AM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 12:36 AM
RE: 37-93 recapped but its a hummer - by Mondial - 11-17-2014, 08:37 AM
RE: 37-93 recapped but its a hummer - by Arran - 11-17-2014, 01:41 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-18-2014, 02:54 AM
RE: 37-93 recapped but its a hummer - by jerryhawthorne - 11-18-2014, 01:32 PM
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