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In Reply to: RE: Not for Me posted by Sondek on February 05, 2017 at 15:58:50
Here are the specs from the Stereophile reviews:
Description: Full-range electrostatic loudspeaker. Frequency response: 28Hz-20kHz ±2dB. Nominal impedance: 4 ohms. Power capability: 500W. Maximum output: 115dB at 20' in a 16'x24' room. Minimum power requirement: 50Wpc. AC power consumption: 5W.
So they really should do a bit better than 115 dB at a more realistic listening distance.
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My Monitor 4s are driven with OTL direct drive tubed servos. I think those electrical specs you quoted might be for the transformer interfaces?
Edits: 02/05/17
I'm sure they are. Not sure how hard the OTL's can drive them.
I think they are. IIRC someone guesstimated that the servo amp acoustats had 3db more sensitivity but I don;t know that the amp can actually output that much to make use of the driver's greater headroom without the transformer.
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