Original The Quad Electrostatic Loudspeaker ESL57 Instruction Book With Green Cover

Original The Quad Electrostatic Loudspeaker ESL57 Instruction Book  With Green Cover. It will date to the late 1950s/early 1960s.

It comprises 11 pages, which are in good condition, and comes with an unused brown returns label and a pink guarantee card bearing the loudspeaker serial number 11573.

Published by The Acoustical Manufacturing Co. Ltd, Huntingdon, UK: better known as "Quad."

The Green paper cover is in good condition, with a few edge creases and slight fading.

Approximate size:

• Width: 21.5 cm 
  
• Height: 14cm
• Depth: 2mm

Please click on the following links for more vintage reference books and HiFi.