I know some inmates has run their stacked ESL 57 with big triode (211, 845 or others) SE amplifier. Do their stacked Quad ESL 57 wired in series or parallel??
Thanks!
Thanks!
I've only ran my stacked set with 211 SET years ago..... but they sound better in parallel with every amp I've tried them with (to my ears anyway)
I'd use a separate amp for each speaker. Their impedance is just not suitable
for either a series or a parallel connection.
for either a series or a parallel connection.
Hi!
How much output power is your 211 SE capable of?
I am concerned about whether SE amp has enough power on stacked ESL 57, and I guess wired in series would be a different story.
How much output power is your 211 SE capable of?
I am concerned about whether SE amp has enough power on stacked ESL 57, and I guess wired in series would be a different story.
From this diyAudio thread: https://www.diyaudio.com/community/threads/quad-esl-57-impedance-plot-and-ltspice-model.386355/
An SE amplifier typically has a highish rout[/out] and that interacts with the impedance. That is issue 1.
Second issue is: how well does your amplifiwer drive a capacitor. Note the phase angle curve.
friend has triple QUADs.
He drives them with 3 amplifiers built on LEAK stereo PP EL84 amplifiers.
dave
I have used many amps on the ESLs, Marantz 8b, 2 , 5, Citation II, Berning ZOTL ZH270, Bedini 25/25 and a Wyetech 211 SET. I also use Futterman H3 and have just acquired a pair of Futterman H3aa's that will be up next.
The Wyetech 211 SET is a fabulous match for the ESLs- one of my favourites. I'm not sure a 300b would do the ESL justice.
My experience with the ESL is that stacking just causes a bunch of other potential problems and complexity. The best advice I have is to have the ESL professionally refurbished from a panel perspective and you will be very happy.
The Wyetech 211 SET is a fabulous match for the ESLs- one of my favourites. I'm not sure a 300b would do the ESL justice.
My experience with the ESL is that stacking just causes a bunch of other potential problems and complexity. The best advice I have is to have the ESL professionally refurbished from a panel perspective and you will be very happy.
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Are you putting your 211SE on stacked Quad ESL-57? Looks like the 211 amplifier is driving a single ESL-57.
I think I am in the minority - but I have run many amps with my stacked quad 57s over the years. I don't believe they need as much power or impedance matching as you would read about. As an example I am using a small EL84 PP amp with them at present, about 8WPC driving them wired in parallel. I'm not using them very loud, but then I don't think you would be using 57s at party levels anyway. To put it in context though, you would need need to raise your voice quite a bit to talk to someone over music, so loud enough I think for most listening.