audio transformer spec quad esl

mynameis_nobody · 6th February 2009, 10:45 AM

Hello im currently renovating three quad esl 57 one of the audio transformer is broken " self inflicted" haven´t found any spec on the transformer. would like to get replasment for it.

bear · 6th February 2009, 09:24 PM

Four choices:

- replace with "old stock"/used original unit. (ebay, etc...)
- replace all three with new xfmrs of suitable spec
- buy three "new" xfmrs from the German (iirc) company that is now making them. (or other supplier like that)
- reverse engineer the bad xfmr, and wind ur own (or have it wound for you)

Determining the turns ratio and freq resp, etc (the xfmr specs) isn't that difficult to do using one of the "good ones."

_-_-bear

frank ziel · 10th February 2009, 04:17 PM

Hi nobody,
you can ask them, they have made all transformers for QUAD:
Sowter Transformer Ipswich England
http://www.sowter.co.uk/electrostatic-loudspeaker.php
they are very friendly.
Good luck!
Frank

405man · 11th February 2009, 10:20 AM

I have a spare one I would be prepared to exchange for your faulty one, send me an email if you are interested

Stuart

6th February 2009, 10:45 AM	#1
mynameis_nobody diyAudio Member Join Date: Nov 2007 Location: Sweden Uppsala	audio transformer spec quad esl Hello im currently renovating three quad esl 57 one of the audio transformer is broken " self inflicted" haven´t found any spec on the transformer. would like to get replasment for it.

6th February 2009, 09:24 PM	#2
bear diyAudio Member Join Date: Apr 2002 Location: New York State USA	Four choices: - replace with "old stock"/used original unit. (ebay, etc...) - replace all three with new xfmrs of suitable spec - buy three "new" xfmrs from the German (iirc) company that is now making them. (or other supplier like that) - reverse engineer the bad xfmr, and wind ur own (or have it wound for you) Determining the turns ratio and freq resp, etc (the xfmr specs) isn't that difficult to do using one of the "good ones." _-_-bear __________________ _-_-bear http://www.bearlabs.com ...ur feeback please - like/dislike my what I have written? PM/email tnx. --

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10th February 2009, 04:17 PM	#3
frank ziel diyAudio Member Join Date: Jan 2005 Location: Berlin	Hi nobody, you can ask them, they have made all transformers for QUAD: Sowter Transformer Ipswich England http://www.sowter.co.uk/electrostatic-loudspeaker.php they are very friendly. Good luck! Frank

11th February 2009, 10:20 AM	#4
405man diyAudio Member Join Date: Dec 2003 Location: Near Glasgow Scotland	I have a spare one I would be prepared to exchange for your faulty one, send me an email if you are interested Stuart

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