What is the best OTL out there?

Al,Charles,My OTL uses 8 or 16 ohms full range speakers,I can use 4 ohms but it's too bright,I am building  an OTL that I can change the output tubes having 7.5,6.3,5.0 & 4.0 volts filament.My OTL use interstage transformer and only one capacitor in  signal path.

HI,you can never tell the best OTL unless you have knowledge of  OTL tube circuitry. 

I love that Bernings amps get picked apart yet when someone says that they use an autoformer after the output of a OTL the only thing heard is the crickets.

I love that Bernings amps get picked apart yet when someone says that they use an autoformer after the output of a OTL the only thing heard is the crickets.

I don't think anyone picks apart the Berning- its an excellent amplifier, a brilliant design, with excellent reviews and isn't an OTL.
As a separate issue, using an autoformer on an OTL allows you to solve problems- usually one where the speaker desired is simply unsuitable for the amp otherwise. We have a lot of customers here in the Twin Cities that like to use Magnaplanars with our amps, and especially with our smaller amps, the autoformers are a good idea. A good number of people that don't have OTLs also use the autoformers, including people with solid state amps, for no other reason than it sounds better. This is true because all amps have lower distortion when driving higher impedances. 

Whether an amplifier is an OTL or not is an entirely different subject from how it sounds. Personally while we make OTLs, I don't see other OTL manufacturers as the competition so much as just other amplifier manufacturers in general.

Atmasphere's point that "all" amplifier types make less distortion when driving higher impedance speaker loads is an audio pearl that is  unrecognized and under appreciated by many listeners. I understand this dilemma given the dominance of 4 ohm speakers in the current High End audio marketplace. Transistor power amplifiers  made these lower impedance speakers quite viable.
Charles