Which brings us to output transformerless otl amps a valve amp design that has been floating around for many years and as its name implies does without those big output transformers.
Otl amp vinyl.
Faq search asylum trader new topic general amp.
General speakers tubes vinyl digital hi rez.
Audio asylum otl asylum otl output transformerless amplifier user group.
Bruce rozenblit designer of the transcendent sound otl amplifier has solved all of these problems and has built an otl amp that.
This may explain why his relatively small company new york audio laboratories can build an amplifier like the futterman otl 1.
Otl asylum otl output transformerless amplifier user group.
Or a stand alone otl pre amp.
Runs relatively cool generating only about 275 watts of heat compared with the 1 200 watts to 1 800 watts produced by other otl amps.
The only real disadvantage of an otl amplifier lies in its incredibly complex circuit which results in very expensive manufacturing techniques.
The otl 3 s were most recently running a pair of 1959 klipsch khorns 16ohm they are a fantastic match when corresponding with ted hammond he said that they were near perfect impedance for the otl 3 stating that the amplifier was designed to have full output into a 25 ohm load.
The attractions are obvious less cost less weight shipping costs too and the avoidance of distortions from transformer sounds obvious.
Few people in the high end know the difference between glorious excess and wretched folly as well as harvey rosenberg footnote 1.
Usually an otl amp with 10 x 6as7 can have 4 removed and in their place have an opt installed to give far better hi fi performance more po and use far less power from mains and run cooler.
My amp shown above 10 watts channel by berning no longer in production alas is single ended and in actual use is like an otl type amp the best of both worlds.
Harvey s audio equipment always strives towards the glorious folly of providing the most romantic sound possible with modern technology.
Transcendent sound grounded grid preamp plus a set headphones amp like this one.
This is the best sounding tube amp i ve heard.
The damping factor of the einstein the silver bullet otl amplifier is at a minimum a factor 5 or higher compared to a conventional tube amplifier or even in other otl realized concepts.
