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OTL, Output Transformerless Amplifier User Group.

several reasons

The biggest complaint we run into is 'all the tubes'.

The second is that a lot of speakers really don't work that well with OTLs. That's true but from a purely subjective point of view my experience was that if the speaker wouldn't work with one of our amps (or other OTL) its chances of actually sounding like real music were extremely limited.

Of course there was a lot of legacy from the Futterman amps- in particular those that were not made by Futterman- claims of blowing up, oscillating, etc. In the 1980s when we found that more than solid state vs tubes or analog vs digital, the audio world was very solidly convinced that if it was an OTL, it was going to blow up.

The fact that our amps didn't do that, that our amps were actually reliable, was nearly a Sisyphean task to convey. These days we rarely run into that issue.

Of course when everything is right they are very difficult to best, price no object.


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  Kimber Kable  


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  • several reasons - Ralph 11:42:23 01/03/22 (0)

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