Just bought a (1970) pair of ESL-57s

SY

diyAudio Moderator Emeritus
2002-10-24 10:19 pm
Chicagoland
www.SYclotron.com
You want to see if it's burned-looking. You'll probably want to replace it anyway, and the good news is that replacement HT supplies aren't too expensive.

Here's some nice pix, including the holes I was talking about:

Quad ESL-57 repair by Hey You

Source for repairs and replacement parts- I know this guy pretty well, his restorations are terrific. The site is worth poking around.

QUAD ESL 57 repair and refurbishment