The Secret Society of Lathe Trolls

Since my last post, I've done some further investigating into my preamp, and have found that unfortunately one of the two output transformers has an open winding. Does anyone have any experience either a) finding replacements for the UTC transformers used by Presto or b) getting transformers rewound...

Hello all, I just joined these message boards, and I've just posted my formal introduction and am happy to be here, and wondering if anyone might have some input or advice for me. I am starting to look into what will be necessary to restore a lovely looking Presto 900A3 preamp that belongs to a frie...

Hi! I'm new to these boards and am saying "Hi" I'm a dabbler in electronics, with no formal training, and still lots to learn. A long term project I'm hoping to get off the ground in the near future is the restoration of a friend's Presto 900A3 preamp in need of a power supply. I joined these forums...