Technical specifications and detailed information on the valve audio amplifier, including its development history. Valves (also known as vacuum tubes)...

being amplified. For example, audio amplifiers amplify signals in the audio (sound) range of less than 20 kHz, RF amplifiers amplify frequencies in the radio...

The Williamson amplifier is a four-stage, push-pull, Class A triode-output valve audio power amplifier designed by D. T. N. Williamson during World War...

'true' power triodes. Beam tetrode Pentode transistor Valve audio amplifier technical specification List of vacuum tubes G. Holst and B.D.H. Tellegen, "Means...

sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. At first, the concept of tube sound...

triode amplifier is mainly used for output stages of audio power amplifiers. The phrase directly heated triode single-ended triode amplifier (abbreviated...

interchangeable in some equipment. The EL34 was widely used in higher-powered audio amplifiers of the 1960s and 1970s, such as the popular Dynaco Stereo 70 and the...

(depending on its gender), and was intended for connections between audio power amplifiers and loudspeakers. These are manufactured by Amphenol (formerly by...

second channel, carries power. A valve microphone is a condenser microphone that uses a vacuum tube (valve) amplifier. They remain popular with enthusiasts...

der Veen, M. (2005). "Universal system and output transformer for valve amplifiers" (PDF). 118th AES Convention, Barcelona, Spain. Archived (PDF) from...

type. It is used in the power-output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. The EL84 is smaller...

published after 1945 utilising the then ubiquitous EF50 RF pentode amplifier valve (tube). With the outbreak of World War II and the expected shortages...

an electronic component is a technical document that provides detailed information about the component's specifications, characteristics, and performance...

lineup: 1R5 — pentagrid converter; 1T4 — I.F. amplifier; 1S5 — Detector/AVC/AF Amplifier; 1S4 — Audio Output. The BP-10 proved so popular that Zenith...

back under Cooper's control, guitarist and valve amplifier expert, Adrian Emsley was brought in as technical director with the brief to update and refresh...

of audio, and their technical specifications were poorly controlled. An example of this is their electrical impedance, which varied across the audio spectrum...

turbocharged 2.0 L 16-valve DOHC 4G63T I4 engine Eclipse GSX: AWD model equipped with a 180–195 hp (134–145 kW)* turbocharged 2.0 L 16-valve DOHC 4G63T I4 engine...

The Blues Junior is a tube guitar amplifier introduced in 1995 by the Fender Musical Instrument Corporation. It is aimed at achieving the warm, tube-driven...

or underrating the amplifier supplied. In the days of valves (vacuum tubes), most loudspeakers had a nominal impedance of 16 Ω. Valve outputs require an...

pentode IF amplifier and a high slope output pentode. A "Westector" solid-state copper oxide diode was used for demodulation, which saved one valve and allowed...

requirements IEC 60065 Audio, video and similar electronic apparatus – Safety requirements IEC 60067 Dimensions of electronic tubes and valves IEC 60068 Environmental...

"reproduce the high-end roughness of solid-state amplifiers mercilessly" thus suggested partnering with valve amplification would be advantageous. A slight...

pentode for use as a magnetic horizontal-deflection output amplifier Marconi-Osram Valve Company ACT9 – 800 W Air cooled transmitting triode up to 15 MHz...

auxiliary audio input jack (for all models equipped with a CD player or CD changer), a new "premium" audio system with an external amplifier and subwoofer...

head unit (with no integral amplifier), slightly upgraded speakers in the front doors and parcel shelf, a 4.1-channel amplifier under the driver's seat,...

The Standel Company is an American company that makes guitar amplifiers. It was founded in 1953 by Robert "Bob" Crooks in Temple City, California. Standel...

was an Italian manufacturer of radios, televisions, amplifiers, amateur radio receivers, audio equipment and electronic components. its headquarters...

individual components for the home such as amplifiers, loudspeakers, phonographs, and tape players. High Fidelity and Audio were two magazines that hi-fi consumers...

by using a differential amplifier, possibly implemented as an operational amplifier: In this case, the operational amplifier drives the transistor with...

the Gouraudphone as a "talking foghorn": a sound amplifier that operated by "working a piston-valve in a cylinder and vibrating a current of air or gas...