Andrew
King's ESL vs. ESL63 discussion by Andrew King
Quad
ESL 63 Elektor September 1981(PDF file 614 kB, Acrobat Reader file) (provided
by Rolv-Karsten Roenningstad)
Quad
ESL-63 
Hifi-Choice,
198,1 (provided by Christian Steingruber, March 2001)
Quad
ESL-63 Stereo, 1980? (in German) (provided by Christian Steingruber, May
2001)
Quad
ESL-63 Hifi-Stereophonie Yearbook 82/83 (in German) (provided by Christian
Steingruber, May 2001)
The
Quad ESL-63 and Quad Electronics The Absolute Sound Vol.7, No. 26, June
1982 (provided by Christian Steingruber, May 2001)
Keylines
Hifi-Review, October 1988, written by Noel Keywood (Provided by Christian
Steingruber, February 2002)
Quid
Pro Quad Hifi-Review, November 1988, written by Noel Keywood (Provided
by Christian Steingruber, February 2002)
Keylines
Hifi-Review, July 1989, written by Noel Keywood (Provided by Christian Steingruber,
February 2002)
Keylines
Hifi-Review, January 1990, written by Noel Keywood (Provided by Christian
Steingruber, February 2002)
The
Quad ESL 63 vs The Stax F-81 Electrostatic (The Absolute Sound, number
32 , December 1983) (provided by Christian Steingruber, May 2001)
