Quad Electrostatic Loudspeaker (English Wikipedia)

Shorter, DEL; Wilson, W Proctor. The Development of High-Quality Monitoring Loudspeakers: A Review of Progress (Expanded version of I.EoE. paper read on 23 April 1958). Report No. L-041 (1958/31). The British Broadcasting Corporation

gcaudio.com

"Review: Quad Electrostatic and Dynamic Speakers and Electronics". Galen Carol Audio. Archived from the original on 8 June 2014.

hifinews.co.uk

"Quad ESL (ESL-57) - Vintage". 2010 Hi-Fi Yearbook. 2010. Archived from the original on 2 February 2014.

hometheaterreview.com

"Quad Electrostatic Speakers (ESL 55) reviewed". Home Theater Review. 11 January 2009. Archived from the original on 1 February 2014.

quad-musik.de

"Home". Quad Musikwiedergabe.

soundandvision.com

Guttenberg, Steve (1 October 2012). "Quad ESL-57 Electrostatic Speaker". Sound & Vision. Archived from the original on 3 February 2014.

stereophile.com

Atkinson, John (3 May 2012). "Quad Reference ESL-2805 loudspeaker". Stereophile. Archived from the original on 3 February 2014.
Holt, J. Gordon (23 September 1995). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 8 December 2013.
Tellig, Sam (June 1989). "Quad ESL-63 loudspeaker Sam Tellig's final comments". Stereophile. Archived from the original on 4 December 2013.
Greenhill, Larry (February 1989). "Quad ESL-63 loudspeaker Larry Greenhill part 2". Stereophile. Archived from the original on 4 December 2013.
Tellig, Sam (July 1985). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 3 December 2013.
Colloms, Martin (January 1987). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 4 December 2013.
Greenhill, Larry (February 1989). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 4 December 2013.
Holt, J. Gordon (23 September 1995). "Quad ESL-63 loudspeaker Page 2". Stereophile. Archived from the original on 5 December 2013.
Holt, J. Gordon (November 1983). "Quad ESL-63 loudspeaker Follow-Up". Stereophile. Archived from the original on 6 December 2013.
"Quad ESL-63 loudspeaker Specifications". Stereophile. Archived from the original on 4 December 2013.
Cordesman, Anthony H. (December 1984). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 3 December 2013.

tnt-audio.com

Kohli, Arvind (October 2012). "Quad ESL 988 Electrostatic Loudspeaker". TNT Audio. Archived from the original on 19 June 2013.
Cadeddu, Lucio (March 2003). "Naim Nait 1—A living legend (1983–1987)". TNT Audio. Archived 28 October 2012 at the Wayback Machine from the original on 15 July 2013.

web.archive.org

Guttenberg, Steve (1 October 2012). "Quad ESL-57 Electrostatic Speaker". Sound & Vision. Archived from the original on 3 February 2014.
"Quad Electrostatic Speakers (ESL 55) reviewed". Home Theater Review. 11 January 2009. Archived from the original on 1 February 2014.
"Loudspeaker History". University of San Diego. Archived 1 February 2010
Atkinson, John (3 May 2012). "Quad Reference ESL-2805 loudspeaker". Stereophile. Archived from the original on 3 February 2014.
Marja & Henk (September 2006). "6moons audio reviews: Quad ESL 2905". Six Moons. Archived from the original on 2 February 2014.
Holt, J. Gordon (23 September 1995). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 8 December 2013.
"Quad ESL (ESL-57) - Vintage". 2010 Hi-Fi Yearbook. 2010. Archived from the original on 2 February 2014.
Tellig, Sam (June 1989). "Quad ESL-63 loudspeaker Sam Tellig's final comments". Stereophile. Archived from the original on 4 December 2013.
"Quad ESL-2812 review from the experts at". What Hi-Fi? Sound and Vision. 12 March 2013. Archived from the original on 2 February 2014.
Greenhill, Larry (February 1989). "Quad ESL-63 loudspeaker Larry Greenhill part 2". Stereophile. Archived from the original on 4 December 2013.
Tellig, Sam (July 1985). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 3 December 2013.
Colloms, Martin (January 1987). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 4 December 2013.
Kohli, Arvind (October 2012). "Quad ESL 988 Electrostatic Loudspeaker". TNT Audio. Archived from the original on 19 June 2013.
Greenhill, Larry (February 1989). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 4 December 2013.
Holt, J. Gordon (23 September 1995). "Quad ESL-63 loudspeaker Page 2". Stereophile. Archived from the original on 5 December 2013.
Cadeddu, Lucio (March 2003). "Naim Nait 1—A living legend (1983–1987)". TNT Audio. Archived 28 October 2012 at the Wayback Machine from the original on 15 July 2013.
"Review: Quad Electrostatic and Dynamic Speakers and Electronics". Galen Carol Audio. Archived from the original on 8 June 2014.
Holt, J. Gordon (November 1983). "Quad ESL-63 loudspeaker Follow-Up". Stereophile. Archived from the original on 6 December 2013.
"Quad ESL-63 loudspeaker Specifications". Stereophile. Archived from the original on 4 December 2013.
"My Life With Quad – A personal recollection by Barry Hunt". 1 September 2013. Archived from the original on 1 February 2014.
Jacobson, Gary. "Gang of Five". The Quad ESL. Archived from the original on 19 December 2013. Retrieved 21 January 2014.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
Cordesman, Anthony H. (December 1984). "Quad ESL-63 loudspeaker". Stereophile. Archived from the original on 3 December 2013.

whathifi.com

"Quad ESL-2812 review from the experts at". What Hi-Fi? Sound and Vision. 12 March 2013. Archived from the original on 2 February 2014.
"Quad ESL 2905 review from the experts at". What Hi-Fi? Sound and Vision. 12 December 2006.