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In Reply to: RE: A lot has to do with the ESL! posted by Ralph on April 05, 2017 at 12:02:31
I used to own ESL 63 and love to put solid state amp on it, especially Metaxas Soliloquy.
After listening to the ESL 57 stacking (wired 2 in series), and the result is mind boggling driven by 50-60W tube amplifier (not OTL). Example: Marantz 9 in triode, Quicksilver 8417...
I heard people complaint the Grant Lumley amplifier has weak bottom but it sounds really good on Quad ESL 57 stacked and wired in series.
Rumor has it that OTL work s even better on ESL 57 wired in series. So that's why draw my attention and now I have 2 x ESL 57 wired in series.
Actually Martin Logan sounds pretty good with Conrad Johnson amplifier, just magic!! But not others, especially solid state. Very hard to mate solid state with ML ESL
-are easy to drive and 60 watts is plenty of OTL power for them. We've got customers that have run that for years. IMO any 60-watt OTL should do the job for that.
I'm repeating myself here, but will chime in to agree with Ralph. My Stax F83's have a very high impedance in the midrange (over 100 ohms), but falling impedance in both the bass and treble (around 4 ohms). They are also very very inefficient, rated at something like 76db/watt, and have the reputation as amplifier killers. But with an subwoofers to take care of the bass, an 80 watt OTL amplifiers drives them beautifully, with astonishing transients and very convincing dynamics.
Friend of mine has mentioned the possibiluty to stack 3 × ESL 57 and had them wired in series as well. Don't you think 60w still enough under this circumstance?
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