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In Reply to: RE:"ESL's dont measure for crap , only the bad ones" posted by Dave_K on December 19, 2016 at 06:51:16
Put together by Dave Slagle.
He removes the step-up transformer and builds in two PP el-34/6B4G power amps with x-over built into the small signal chain in the amp and two step-up/output transformers, one PP amp drives the treble panel while the other drives the two mid panels.
They finally had to ask me to leave as I spent most of the 3 day show in the room listening to what was about the best I have ever heard and electrostatic speaker sound.
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Interesting setup , i would love to hear them ....
which was a mess due to ongoing remodel of the Marriott Hotel which has been the RMAF home these many years.
I am sure it would be WAY out of my price range but if you think about it, using the output transformer of a PP amp to drive the panel directly rather than stepping down in the amp then stepping up again in speaker makes all of the sense in the world. Bi-amping just adds icing to the cake.
I would have liked to hear that. I've only heard the 57s once, but liked them a lot.
I would also be curious to hear the modern Quad ESLs again, in a bigger room, to see if the bass balance improves with distance. I heard the 988s at a dealer in a long wall setup, listening almost near field i.e. 2-2.5m away, and the mid-bass was very prominent. Then the 2812s in a hotel room. I'm guessing the amount of dipole cancellation in the bass is very placement sensitive.
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