Output TransformerLess

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• Output TransformerLess — (audio amplifier) = In the larger scope of vacuum tube audio amplifiers Output TransformerLess (OTL) describes a specific subset of audio power amplifier topologies, all of which have a single common attribute: unlike conventional vacuum tube… …   Wikipedia

• Output transformerless — (OTL) is a term which describes a subset of vacuum tube audio power amplifier topologies, all of which omit an output transformer for the purpose of greater linearity and fidelity. Conventional vacuum tube amplifier designs rely upon an output… …   Wikipedia

• 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… …   Wikipedia

• The David Berning Company — Established in 1974, The David Berning Company manufactures tube audio amplifiers utilizing the patented[1] ZOTL Impedance Conversion Technology that properly matches high impedance vacuum tubes to the low impedance realm of speakers without the… …   Wikipedia

• Center tap — In electronics, a center tap is a connection made to a point half way along a winding of a transformer or inductor, or along the element of a resistor or a potentiometer.Taps are sometimes used on inductors for the coupling of signals, and may… …   Wikipedia

• List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …   Wikipedia

• Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

• Julius Futterman — (? 1979) was an American electronics engineer who designed a valve amplifier that did not have an output transformer. This was originally done to reduce costs, as output transformers can be rather expensive. Output transformers also have a… …   Wikipedia

• OTL — may stand for: On the Level, album by Status Quo Out to Lunch (disambiguation) One True Love, Philippine film Optical channel Transport Lane, multi lane interface for the Optical Transport Network (OTN) Oradea Transport Local Over the line Over… …   Wikipedia

• OTL — ist: die Abkürzung für Oberstleutnant der ICAO Code der ukrainischen South Airlines (Південні авіалінії) die Abkürzung für das Odette Transport Label: ein Transport Warenanhänger entsprechend der Empfehlung von Odette International die Abkürzung… …   Deutsch Wikipedia