I can see this chat has been going on for a while, but unfortunately this is the only one I have read.
Worth mentioning, but I have a 532 amp and had hum exactly as you have described. The problem turned out to be the bakelite remote volume socket and blanking plug. That was conducting to ground. I never used it anyway so I bypassed it and the hum disappeared. Apologies if this has already been mentioned, cheap and easy fix, worth a try.
Regards
Nigel, uk
On 8 Feb 2023 at 03:03, Carl Haines via Jukebox-list jukebox-list@lists.netlojix.com wrote:
On 2023-02-07 19:56, Jay Hennigan via Jukebox-list wrote:
Winsome Labs is me. I haven't advertised it yet, made a couple for myself and put one in an amplifier I rebuilt for someone. Not sure exactly what price I'm going to put on it.
I also have a design for a replacement for the stereo one that can take 6GH8/6U8 instead of the scarce 7199. Not in production yet.
Good luck with the launch for both. It will certainly be a nice option to have especially if you have one that has not yet been recapped and consider the work needed to recap and potential damage to the board vs. installing a new board even if it comes as a kit requiring assembly. Mine had a previous repair where they lifted one track and I consider myself lucky that was the extent of the damage.
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