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I sure miss my Quad ‘57s!

I owned Quad ‘57s and joyfully listened to them for 10 years! Still questioning my decision to pass them on to another music lover. But I do sadly remember the multiple times I blew up amps because of them and the sickening feelings of the many times I arched them before I had them rebuilt.
I did eventually opt for more bass and treble but have missed their incredible mids now for decades.
Guess there are some new rebuilders who have been able to get more bass and treble? But I now have evolved the feeling that good enough is good enough. And man, were they good enough!
mglik
roberjerman
4,319 posts
 
I bought my first pair of 57's back in '81. Along with a pair of Futterman H3aa OTL amps. And around that time a Bedini 25/25 class A amp. I alternated between those two amps. In 2001 I stupidly sold the Quads and the Futtermans. This I soon regretted! Now thanks to good fortune in the past few years I've acquired two pairs of 57's and three Futterman amps!
roberjerman
4,319 posts
 
The 57's in stock form are limited to 20 volts input (50 watts). More than that they will arc! Stay below that and they will be fine! Do not expect to get floor-shaking bass and window-rattling spl's out of them! They are not JBL's!
tweak1
3,679 posts
 
I had Martin Logan CLSIIs with upgraded ladders, much later Magnepan 3.5Rs (I know not stats),but, both were frustrating in there own ways
DFor 3+ years now I have enjoyed Emerald Physics KCIIs (open baffle) with WireWorld and Clarity cap upgrades. They are very easy to drive, super efficient, glorious mid-range plus very good bass, seamless from top to bottom.

My main nit pics are both easy fixes
* the speaker face and base should have anchor bolts especially since the concentric driver at the top is so heavy

* the rear tilted face angle that EP chose is too extreme. I am using a hockey puck in the rear of the base and small Machina Dynamica springs in the front

hth
mglik OP
911 posts
 
A main factor for me is that I am a single ended triode guy. Ever since I started using the magic of 1 1/2 to 8 watts of amp power I have been limited to highly efficient speakers. Fortunately, I finally found a great speaker that works great with my 8 watts of 300B-Tetra 506s. (worth checking out their website and the major musicians who use them!). They are 90db and a very flat 8 ohms impedance. However, I still do miss the ‘57s. Did speak with Kent at Electrostatic Solutions. I believe he has made significant improvements over the original design. Heard that his improved version has way improved dynamics, bass and treble. Does anyone know about this?
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