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37-93 recapped but its a hummer
jerryhawthorne
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#5

11-15-2014, 11:10 PM
Chris has a good plan for a test. You could also pull the 1st audio/det tube and see if the hum disappears. If it doesn't, likely power supply or output tube.
Jerry
A friend in need is a pest!  Bill Slee ca 1970.
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Messages In This Thread
37-93 recapped but its a hummer - by DanH6464 - 11-14-2014, 04:40 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-14-2014, 05:54 PM
RE: 37-93 recapped but its a hummer - by OZ4 - 11-15-2014, 10:55 PM
RE: 37-93 recapped but its a hummer - by jerryhawthorne - 11-15-2014, 11:10 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-16-2014, 11:50 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 12:31 AM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 01:11 AM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 01:16 AM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-17-2014, 01:36 AM
RE: 37-93 recapped but its a hummer - by Mondial - 11-17-2014, 09:37 AM
RE: 37-93 recapped but its a hummer - by Arran - 11-17-2014, 02:41 PM
RE: 37-93 recapped but its a hummer - by DanH6464 - 11-18-2014, 03:54 AM



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  1. The PHILCO Phorum
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