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OTL, Output Transformerless Amplifier User Group.

Ping Ralph? ESL speakers and OTL amps?

I don't own and probably can't afford OTLS / ESLs. Even though from reports it might be where I would like to be.

I noticed a recent picture here of a review - written some time back - stating that ESL's very low impedance made OTL's unsuitable for this task, given their own high output impedance.
But, I have been aware for quite a long time that a lot of people do use OTL's for this job.

Further it is my understanding that the capacitive load at HF is an issue for amplifier stability, but that the low impedance that accompany's it just isn't a big issue, because at HF the power demands are quite low.

It would be good to have this laid to rest here, perhaps by Ralph, et al?



Warmest

Tim Bailey

Skeptical Measurer & Audio Scrounger



Edits: 07/04/15

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Topic - Ping Ralph? ESL speakers and OTL amps? - Timbo in Oz 17:37:32 07/04/15 (8)

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