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RE: Sound Labs are not a good match for any solid state amp due to their 30 Ohm impedance

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In Reply to: RE: Sound Labs are not a good match for any solid state amp due to their 30 Ohm impedance posted by Ralph on July 02, 2024 at 13:27:18

I have owned many planar speakers, both electrostats and ribbons. For electrostats it really depends on the design, some work just fine with SS (like Acoustat) and some don't (like STAX). For planar magnetic speakers, some will actually work with SET because of the flat impedance. My Apogees actually sounded nice with a Cary SET. My BG planar drivers loved my KR Audio amp, with a second. KR on the 10 inch woofer.

So, the short answer is for electrostats, it depends. They have both high and low impedance , although my ACOUSTATS had relatively mild variance but my Stax had a wild impedance.

Planar magnetic speakers usually have a nearly flat impedance and so it is only low sensitivity that makes them not so SET friendly.

Follow Ups:

+1 exactly! nt - Ralph 08:55:33 07/03/24 (0)
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RE: Sound Labs are not a good match for any solid state amp due to their 30 Ohm impedance - Story 02:48:23 07/03/24 (3)
I've had not much of a problem SS or Tube at all with my Quad 57's and I've owned them for 45 years.

I'm not concerned with Orchestral SPL's either but, oh boy, do they sound sweet in the right 'system' (very revealing)
- +1 Quads don't need nearly the power! nt - Ralph 08:56:26 07/03/24 (2)
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  - nor can they take it if it's given to them :( - mhardy6647 12:55:22 07/07/24 (1)
    ... plus, there's that 15 degree vertical treble dispersion.
    
    In a way, they're the perfect loudspeaker for masochists.
    Why, yes -- I do have a pair. Why do you ask?
    ;)
    
    all the best,
    mrh
    - Didn't ask; - Ralph 09:30:47 07/08/24 (0)
      The comment was WRT using an SET with ESLs, which won't work on Sound Labs. But I expect you might have some success on ESL57s, if you can get the SET to deal with the bass and treble impedances at the same time.

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