Welcome to Quad ESL 57 world

This is a private website that will help you refurbish or repair your Quad ESL 57 electrostatic speakers. Or at least understand what is behind. Please read disclaimer first.

Quad ESL 57 refurbished
Me and my Quad ESL 57

About 53150 Quad ESL 57 were produced over 26 years. Find the year of production for your Quad ESL 57 here below:

Source: http://www.audiocircuit.com/Home-Audio/Quad/ESL-57

Production figures, up to serial number 53150

Need to repair your Quad ESL 57 ? You will find essential information in this document: