e/Circlotron

Information
has gloss	eng: Circlotron valve amplifier is a type of power amplifier utilizing symmetrical cathode-coupled bridge layout of the output stage. Original circlotrons of 1950s used output transformers to couple relatively high output impedance of vacuum tubes to low-impedance loudspeakers. Circlotron architecture, easily scalable, was eventually adapted to operate without output transformers, and present-day commercially produced circlotron models are of output transformerless (OTL) type.
lexicalization	eng: circlotron
instance of	(noun) an amplifier that increases the amplitude of reproduced sound audio amplifier

Media
media:img	Circlotron basic schematic.gif