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In Reply to: Re: STACKED QUAD 57's / Speaker Jumper Cable advice needed. posted by pickle on April 24, 2007 at 16:40:27:
Hi Bill,Thanks again.
Well so I looked around and I did find a copy of a Quad document showing their recommendations for stacking the ESL's and the angles etc. That can be seen at the link below (along with their recommendations that they be connected in parallel.)
My amps are somewhat custom (tubes) but are based on a classic Mullard 5-10 circuit and have never had ANY trouble at all with the load from the Quads. Why? Synergy would really be the only explanation. I went through an ENORMOUS amount of gear to find what I wanted. (They sound superb.) I DO have an almost ideal environment to be able to enjoy the +3/+6db that Gary mentioned as my listening room is quite large. (Approximately 22 x 32) so I can really let the Quads "hang out" when the time comes.
But I guess I may have to ask elsewhere for the cable issue.
BTW...plenty of people are running stacked quads and so it would seem that there are plenty of amps up to the task.
Also.....FWIW...I have never heard of anyone running stacked quads that were NOT wired like mine.
Regards...WP
Follow Ups:
...the Quads can certainly be wired in series to offer a higher loading.The reason for the parallel connection and the arrangement shown in the original Quad (approved) literature is that it is relatively easy to do without making massive changes to the speakers themselves.
If the amp isn't producing squeaky noises at HF and running out of breath on crescendos then it's coping alright.
Regards,
Gary Jacobson
I would love to see your 4 QUAD ESL 57-s in your Custom Stack Racks.
Please email me a photo.
Regards,
David
NT
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