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OTL Tube Amps-- are they superior to everything?

A recent conversation I had with an Audiogon member got me interested in OTLs. His opinion is that nothing compares to them for clarity, naturalness and superiority in just about every area. The Atmaspheres are the amps he has, and they are purportedly very stable, unlike most other OTL designs, which many can tell you were a living nightmare.

This is ironic, because some mfrs., like McIntosh, actually put output transformers on their better solid state pieces, claiming they provide superior sonics.

What is the truth here?
saxo

Showing 2 responses by wellfed

wellfed's avatar
wellfed
690 posts
 
As stated above, optimal matching of the speaker and amplifier is a must. I don't think this is terribly difficult. There is a product called the ZERO autoformer (www.zeroimpedance.com) that will allow for more speaker choices, and is anything but a compromise in practical terms.

BTW, I am using Atma-Sphere M-60 amps with Köchel K300 horns. In my setup the XLO Signature Shotgun speaker cables I use are vastly superior to the ZEROs.

I believe I am achieving superior results, to each his own though I guess.
wellfed's avatar
wellfed
690 posts
 
Trelja, are you referring to Paul Speltz ZERO autoformers? If so have you ever tried the alternative 2X configuration? I found this configuration was more nuanced than the standard configuration. There was a slight drop off in bass output though. I then used two pairs, alternative 2X on the high frequencies, and standard 2X on the low frequencies. This yielded absolutely phenomenal results on the N.E.A.R. 50Me II speakers I was using at the time. I would love to hear about your results if you happen to try this.
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