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Model 90B Tinkerer
Bob Andersen
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Posts: 797
Threads: 42
Joined: Dec 2008
City: Chicago, IL
#2

11-17-2021, 10:25 PM
Regarding the filter choke. It looks like there are phenolic insulating washers on the mounting screws. Mine is metal on metal. I'm thinking they might have been trying to reduce hum by making a single, solid grounding point ?

Also I suspect that is a replacement volume control. You could try building it up with some solder or JB Weld.
(This post was last modified: 11-17-2021, 10:26 PM by Bob Andersen.)
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Messages In This Thread
Model 90B Tinkerer - by Simon Wa3uay - 11-17-2021, 02:58 PM
RE: Model 90B Tinkerer - by Bob Andersen - 11-17-2021, 10:25 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-18-2021, 01:43 PM
RE: Model 90B Tinkerer - by Bob Andersen - 11-18-2021, 06:12 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-19-2021, 04:07 PM
RE: Model 90B Tinkerer - by radiorich - 11-20-2021, 12:50 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-20-2021, 01:31 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-24-2021, 04:11 PM
RE: Model 90B Tinkerer - by morzh - 11-24-2021, 05:02 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-25-2021, 09:58 AM
RE: Model 90B Tinkerer - by cknob - 11-25-2021, 10:43 AM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-25-2021, 10:58 AM
RE: Model 90B Tinkerer - by cknob - 11-25-2021, 01:25 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 11-27-2021, 09:40 AM
RE: Model 90B Tinkerer - by morzh - 11-27-2021, 02:48 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-14-2022, 01:18 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-16-2022, 11:37 AM
RE: Model 90B Tinkerer - by Mondial - 01-16-2022, 01:22 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-21-2022, 11:25 AM
RE: Model 90B Tinkerer - by Mondial - 01-21-2022, 11:39 AM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-21-2022, 04:06 PM
RE: Model 90B Tinkerer - by klondike98 - 01-22-2022, 01:26 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-22-2022, 02:35 PM
RE: Model 90B Tinkerer - by Ron Ramirez - 01-22-2022, 02:58 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-23-2022, 11:32 AM
RE: Model 90B Tinkerer - by Simon Wa3uay - 01-26-2022, 09:09 AM
RE: Model 90B Tinkerer - by Mondial - 01-26-2022, 11:38 AM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-01-2022, 01:39 PM
RE: Model 90B Tinkerer - by Mondial - 02-01-2022, 02:12 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-01-2022, 02:23 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-01-2022, 03:09 PM
RE: Model 90B Tinkerer - by Mondial - 02-01-2022, 09:31 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 02:32 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 02:39 PM
RE: Model 90B Tinkerer - by Bob Andersen - 02-09-2022, 02:48 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 02:53 PM
RE: Model 90B Tinkerer - by GarySP - 02-09-2022, 02:57 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 03:13 PM
RE: Model 90B Tinkerer - by Mondial - 02-09-2022, 03:36 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 03:41 PM
RE: Model 90B Tinkerer - by Steve Davis - 02-09-2022, 04:20 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-09-2022, 04:33 PM
RE: Model 90B Tinkerer - by Steve Davis - 02-09-2022, 05:40 PM
RE: Model 90B Tinkerer - by Ron Ramirez - 02-09-2022, 08:51 PM
RE: Model 90B Tinkerer - by Simon Wa3uay - 02-11-2022, 08:08 AM
RE: Model 90B Tinkerer - by Simon Wa3uay - 08-06-2022, 03:40 PM



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