Model 41-287 volume issue

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RodB
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City: Roseville, MN

#24

12-10-2025, 08:53 PM

I'm putting more thought into this. If the output tubes are not conducting because the transformer is open then much less current is flowing through resistor 61 producing a lower bias voltage. If resistor 61 is OK then there's a good chance the bias will be normal when you replace the transformer. Now you can see the importance of having a dim bulb or variac.

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Messages In This Thread

Model 41-287 volume issue - by mikeyg - 12-08-2025, 01:00 PM

RE: Model 41-287 volume issue - by klondike98 - 12-08-2025, 03:11 PM

RE: Model 41-287 volume issue - by Vlad95 - 12-08-2025, 03:27 PM

RE: Model 41-287 volume issue - by RodB - 12-08-2025, 04:36 PM

RE: Model 41-287 volume issue - by KCMike - 12-08-2025, 06:23 PM

RE: Model 41-287 volume issue - by mikeyg - 12-08-2025, 07:51 PM

RE: Model 41-287 volume issue - by Arran - 12-08-2025, 10:49 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 08:07 AM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 01:46 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 02:09 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 03:11 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 05:10 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 07:57 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 10:00 PM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 07:03 AM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 09:56 AM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 10:07 AM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 11:10 AM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 01:14 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:07 PM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 08:10 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:29 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:42 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:53 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 09:20 AM

RE: Model 41-287 volume issue - by RodB - 12-11-2025, 09:42 AM

RE: Model 41-287 volume issue - by Arran - 12-11-2025, 09:45 AM

RE: Model 41-287 volume issue - by MrFixr55 - 12-11-2025, 12:39 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 01:04 PM

RE: Model 41-287 volume issue - by Vlad95 - 12-11-2025, 01:42 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 07:53 PM

RE: Model 41-287 volume issue - by RodB - 12-11-2025, 09:06 PM

RE: Model 41-287 volume issue - by Arran - 12-12-2025, 02:20 AM

RE: Model 41-287 volume issue - by RodB - 12-12-2025, 12:46 PM

RE: Model 41-287 volume issue - by Arran - 12-12-2025, 06:51 PM

RE: Model 41-287 volume issue - by RodB - 12-12-2025, 07:09 PM

RE: Model 41-287 volume issue - by mikeyg - 12-13-2025, 06:22 PM

RE: Model 41-287 volume issue - by RodB - 12-13-2025, 10:03 PM

RE: Model 41-287 volume issue - by mikeyg - 12-13-2025, 10:13 PM

RE: Model 41-287 volume issue - by RodB - 12-13-2025, 11:55 PM

RE: Model 41-287 volume issue - by mikeyg - 12-14-2025, 12:52 AM

RE: Model 41-287 volume issue - by RodB - 12-14-2025, 11:11 AM

RE: Model 41-287 volume issue - by mikeyg - 12-14-2025, 04:52 PM

RE: Model 41-287 volume issue - by RodB - 12-14-2025, 05:20 PM

RE: Model 41-287 volume issue - by mikeyg - 12-15-2025, 09:58 AM

RE: Model 41-287 volume issue - by RodB - 12-15-2025, 11:28 AM

RE: Model 41-287 volume issue - by mikeyg - 12-15-2025, 12:59 PM

RE: Model 41-287 volume issue - by RodB - 12-15-2025, 01:24 PM

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