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Type of electronic amplifier
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium
Valve_amplifier
Type of valve amplifier
A valve audio amplifier (UK) or vacuum tube audio amplifier (US) is a valve amplifier used for sound reinforcement, sound recording and reproduction.
Valve_audio_amplifier
Virtual Valve Amplifier (VVA) is software algorithm designed and sold by Diamond Cut Productions, Inc. for simulating the sound of various valve amplifier designs
Virtual_Valve_Amplifier
Electronic device/component that increases the strength of a signal
power amplifier Lock-in amplifier Low-noise amplifier Negative feedback amplifier Optical amplifier Programmable-gain amplifier Tuned amplifier Valve amplifier
Amplifier
Valve amplifier designed by David Theodore Nelson Williamson
The Williamson amplifier is a four-stage, push-pull, Class A triode-output valve audio power amplifier designed by David Theodore Nelson Williamson during
Williamson_amplifier
Device that controls current between electrodes
microwave ovens, and some high-frequency amplifiers. Many audio enthusiasts prefer otherwise obsolete tube/valve amplifiers for the claimed "warmer" tube sound
Vacuum_tube
Technical specifications and detailed information on the valve audio amplifier
the valve audio amplifier, including its development history. Vacuum tube characteristics (also called tube curves, valve characteristics or valve curves)
Valve audio amplifier technical specification
Valve_audio_amplifier_technical_specification
Classification of power amplifier
of the distortion. Historically, valve amplifiers were often used as a class-A power amplifier simply because valves are large and expensive; many class-A
Power_amplifier_classes
Type of condenser microphone
A valve microphone is a condenser microphone which uses a valve amplifier rather than a transistor circuit. Microphones have been in use since the early
Valve_microphone
Type of electronic audio manipulation
"Maybellene" features a guitar solo with warm overtones created by his small valve amplifier. Pat Hare produced heavily distorted power chords on his electric guitar
Distortion_(music)
British music equipment company
expensive than their all-valve counterparts. It is Marshall's current line of "hybrid" amplifier, featuring a 12AX7 preamplifier valve employed in the preamplifier
Marshall_Amplification
Device for electrically amplifying the power of an electrical radio frequency signal
A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.) is a device for electrically amplifying the power of an electrical radio frequency signal.
Valve_RF_amplifier
Characteristic quality of sounds from vacuum tube amplifiers
Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier. The concept of tube sound did not exist prior to the invention
Tube_sound
This is a list of notable valve amplifier designs. The first commercially produced amplifier with distortion of 0.1% was the LEAK Type 15 "Point One" of
List of valve amplifier designs
List_of_valve_amplifier_designs
Small 5 watt class A electric guitar amplifier
The Epiphone Valve Junior is a small 5 watt class A electric guitar amplifier. It is relatively inexpensive, and has relatively few features, but is somewhat
Epiphone_Valve_Junior
The Mullard 5-10 was a circuit for a valve amplifier designed by the British valve company, Mullard in 1954 at the Mullard Applications Research Laboratory
Mullard_5-10
Guitar amplifier
RMS-rated wattage – the amplifier mimicked the circuitry of the Fender Bassman but had an all-aluminum chassis, and a 12AX7 valve as the first in the chain
Marshall_JTM45
Valve amplifier
Circlotron valve amplifier is a type of power amplifier utilizing symmetrical cathode-coupled bridge layout of the output stage. Original circlotrons of
Circlotron
control purposes. It can also mean a transmitter amplifier that has been built using vacuum valves or tubes, specifically within telegraphy and radiocommunication
Valve_transmitters
Type of radio frequency amplifier
The Doherty amplifier is a high-efficiency linear radio-frequency power amplifier originally developed for high-power amplitude-modulated broadcasting
Doherty_amplifier
Vacuum tube used in transmitters
crossed-field amplifier (CFA) is a specialized vacuum tube, first introduced in the mid-1950s and frequently used as a microwave amplifier in very-high-power
Crossed-field_amplifier
Model of guitar amplifier
The Mesa/Boogie Mark IIC+ is a guitar amplifier produced by California-based manufacturer Mesa/Boogie as part of its Mark series. The Mark IIC+ was released
Mesa/Boogie_Mark_IIC+
Type of electronic circuit
A push–pull amplifier is a type of electronic circuit that uses a pair of active devices that alternately supply current to, or absorb current from, a
Push–pull_output
Vacuum tube electronic amplifier that uses a single triode to produce an output
is a vacuum tube electronic amplifier that uses a single triode to produce an output, in contrast to a push–pull amplifier which uses a pair of devices
Single-ended_triode
Guitar amplifier series
The Mark Series is a line of guitar amplifiers designed and produced by California-based manufacturer Mesa/Boogie since 1972. The first "Boogies," as they
Mesa/Boogie_Mark_Series
Guitar amplifier
1960. These amplifiers marked a return to the EL84 valves of the AC15, but now employed a quartet of them alongside a GZ34 rectifier valve and a larger
Vox_AC30
Guitar amplifier made by Vox
The Vox AC15 is the first guitar amplifier produced by the British brand Vox. Vox founder Tom Jennings wished to capitalize on the growing popularity
Vox_AC15
Model of guitar amplifier
The Overdrive Special is a guitar amplifier made by Dumble Amplifiers. Founder Howard Alexander Dumble first began producing what would become his flagship
Dumble_Overdrive_Special
Model of guitar amplifier
1959 Super Lead 100, often shortened to Super Lead or 1959, is a guitar amplifier made by Marshall between 1966 and 1981. The Super Lead was developed in
Marshall_Super_Lead
Flow-control device
to the actuator through a pneumatic amplifier relay. The increased output pressure to the actuator causes the valve stem to move. Stem movement is fed
Control_valve
Line of guitar amplifiers made by Marshall Amplification
The JCM800 Series is a line of guitar amplifiers made by Marshall Amplification. The series was introduced in 1981 with the 100-watt, master volume-equipped
Marshall_JCM800
Guitar amplifier
The Fender Twin and Twin Reverb are guitar amplifiers made by Fender Musical Instruments Corporation. The Twin was introduced in 1952, two years before
Fender_Twin
High-gain voltage amplifier with a differential input
An operational amplifier (often op amp, op-amp, or opamp) is a DC-coupled electronic amplifier with a differential input, a (usually) single-ended output
Operational_amplifier
Making of electric devices using older components
audiophiles and electric guitarists also favour the use of valve (vacuum tube) amplifiers, on the ground of sound quality or particular "colour". This
Retrotronics
Musical instrument amplifier
The Fender Bandmaster was a musical instrument amplifier made by Fender. It was introduced in 1953 and discontinued in 1974. Some early models had both
Fender_Bandmaster
Topics referred to by the same term
valve or valves All pages with titles beginning with Valve Valve amplifier (tube amplifier) Valve audio amplifier Valve RF amplifier Valve gear Valve
Valve_(disambiguation)
x 10". It weighs 38 lbs, relatively lightweight for a valve combo amplifier. The same amplifier was made by Danelectro under the following names: Danelectro
Danelectro_Commando
Guitar amplifier made by Soldano
Lead Overdrive 100, typically shortened to SLO-100, is the debut guitar amplifier from Mike Soldano's Soldano Custom Amplification. Released in 1987, the
Soldano_SLO-100
High-fidelity sound reproduction enthusiast
integrated amplifiers are widely used by audiophiles. Audiophile amplifiers are available based on solid-state (semiconductor) technology, vacuum-tube (valve) technology
Audiophile
Guitar amplifier made by Fender
is a guitar amplifier made by Fender. It was introduced in 1963 and was discontinued in 1982. The Super Reverb was a Fender Super amplifier with built-in
Fender_Super_Reverb
British audio equipment manufacturer
making Matamp a model name. The first of the Orange Matamp amplifiers were 100 watt valve amps and were produced in very small numbers in the rear of
Orange_Amps
Spring reverb effects unit
in a horizontal configuration. Physically, the unit looks like a small amplifier head and since the early 1960s the unit has become synonymous with surf
Fender_Reverb_Unit
Type of electronic amplifier
A radio-frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency (RF) signal into a higher-power
RF_power_amplifier
Device that converts sound into an electrical signal
second channel, carries power. A valve microphone is a condenser microphone that uses a vacuum tube (valve) amplifier. They remain popular with enthusiasts
Microphone
Guitar amplifier
amplifier itself and the speakers to which it is connected (which must have a 4- or 8-Ohm impedance). The DeVille features a 60-watt valve amplifier with
Fender_Hot_Rod_DeVille
to its Masonite top and back, with pine outer structure. "All-in-one" Amplifier-Case or Silvertone 1448/1449/1451/1452/1457 is a line of guitar sets introduced
Danelectro_Amp-in-case
Types of electrical transformer
particularly critical component is the output transformer of a valve amplifier. Valve circuits for quality reproduction have long been produced with no
Transformer_types
Guitar amplifier made by Marshall
The Marshall Major (model 1967) was a guitar amplifier made by British manufacturer Marshall between 1967 and 1974. Initially dubbed the Marshall 200
Marshall_Major
Amplifier with loudspeaker for use with musical instruments
An instrument amplifier is an electronic amplifier that converts the often barely audible or purely electronic signal of a musical instrument into a larger
Instrument_amplifier
Audio amplifier with power output sufficient to drive a loudspeaker
An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup
Audio_power_amplifier
Power amplifier with integrated preamps
fidelity Valve audio amplifier "integrated amplifier". Archived from the original on 2014-06-24. Retrieved 2014-04-01. What is an integrated amplifier? Queen's
Integrated_amplifier
Bass amplifier series
series of instrument amplifiers produced by Fender. Released in 1952, the Bassman was the industry's first dedicated bass amplifier, as Fender's existing
Fender_Bassman
American amplifier manufacturer
despite its 22-year history as a company. Of its amplifiers, THD made three: the UniValve, BiValve-30, and Flexi-50. Copyright issues prevented Marshall
THD_Electronics
Wireless Valve Company. pp. 13–15. RCA Receiving Tube Manual (RC-29 ed.). Radio Corporation of America. 1973. Jones, Morgan (2008). Valve amplifiers (3. ed
Vacuum_tube_characteristics
American musical instrument company
Epiphone tube amplifiers in 2005 with models including the So Cal, Blues Custom, Epiphone Valve Junior and the solid state Triggerman range. The Valve Hot Rod
Epiphone
Guitar amplifier
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
Fender_Blues_Junior
British guitarist and record producer (1956–2020)
and bass, and unlike many guitarists shunned the "warmer" sound of valve amplifiers in favour of the "coldness" and "thinness" of a Fender Stratocaster
Andy_Gill
Electro-mechanical piano built by Hohner
‘inverted-V’ legs, and could be equipped with an optional 12-watt valve amplifier, the Amplifier CP, which mounted below the unit in front of the player's knees
Hohner_Pianet
American audio equipment manufacturer
Hartley Peavey "dreamed of becoming a rock star," having built his first amplifier in 1957. He founded Peavey Electronics in 1965. Peavey Electronics once
Peavey_Electronics
Cinema in Harwich, Essex, England
Dovercourt. The sound system was initially driven by a Kalee model 522 valve amplifier. This equipment was used at the re-opening of the cinema on 29 November
Electric Palace Cinema, Harwich
Electric_Palace_Cinema,_Harwich
Single-grid amplifying vacuum tube having three active electrodes
electrode to the thermionic diode (Fleming valve), the triode was the first practical electronic amplifier and the ancestor of other types of vacuum tubes
Triode
Line of guitar amplifiers made by Mesa/Boogie
The Mesa/Boogie Rectifier Series is a line of guitar amplifiers made by California-based manufacturer Mesa/Boogie. Introduced in 1992, the line's first
Mesa/Boogie_Rectifier
South Korean consumer electronics company
February; Astell & Kern also revealed Home cinema products, such as a valve amplifier and cylindrical speaker, as well. In May, collaborating with Jerry
Astell_&_Kern
Low frequency audio feedback
Older audio amplifiers with capacitive (RC) or inductive (transformer) coupling between stages. This design is mostly used in vacuum tube (valve) equipment
Motorboating_(electronics)
Guitar amplifier
The Fender Champ was a guitar amplifier made by Fender. It was introduced in 1948 and discontinued in 1982. An updated version was introduced in 2006
Fender_Champ
Genre of popular music
distorted electric guitar solo with warm overtones created by his small valve amplifier. However, the use of distortion was predated by electric blues guitarists
Rock_and_roll
Welsh physicist
1931 a valve amplifier and thyratron-based automatic counting system were in regular use in the Cavendish Laboratory. Wynn-Williams' amplifier played
C._E._Wynn-Williams
Models 1961 and 1962 guitar amplifiers made by Marshall Amplification
Bluesbreaker is the popular name given to the Models 1961 and 1962 guitar amplifiers made by Marshall from 1964/65 to 1972. The Bluesbreaker, which derives
Marshall_Bluesbreaker
Electronic system for amplifying sound
two years they developed their first valve amplifier. In 1919 this was standardized as a 3-stage 25-watt amplifier. This system was used by former US president
Public_address_system
frequency systems it is normal to use valves, see Valve RF amplifier for details of how valved RF power stages work. Valves are electrically very robust, they
Radio_transmitter_design
Sound playback device
applied directly to the stators from a built-in high-voltage valve amplifier (as valves are also high impedance devices), without use of a step-up transformer
Electrostatic_loudspeaker
Solid-state electrically operated switch also used as an amplifier
der Veen, M. (2005). "Universal system and output transformer for valve amplifiers" (PDF). 118th AES Convention, Barcelona, Spain. Archived (PDF) from
Transistor
Unwanted sound associated with AC power
noise High frequency noise in CRTs Transposition (transmission lines) Valve amplifier Robert B. Tomer, Getting the most out of vacuum tubes, Howard W. Sams
Mains_hum
American guitarist (1943–1989)
Cipollina had a unique guitar sound, mixing solid state and vacuum-tube (valve) amplifiers as early as 1965. He is considered one of the fathers of the San Francisco
John_Cipollina
French manufacturer of musical instruments
resources. During this period, the Selmer range of Treble & Bass 50 & 100 valve amplifiers appeared to be stylistic relics from pre-1959 and the decision was
Henri_Selmer_Paris
Musical equipment manufacturer
digital modelling amplifiers in 2001. Utilizing Korg's REMS modelling software, the blue-colored Valvetronix amps were driven via the "Valve Reactor" low-power
Vox_(company)
Canadian amplifier manufacturer
YCV40 (Custom Valve) model. The brand has a wide product range, including DynaGain solid state guitar amplifiers, International amplifiers, Bass Master
Traynor_Amplifiers
Vacuum tube with four active electrodes
replaced valves in the 1960s and 70s. Beam tetrodes have remained in use until quite recently in power applications such as audio amplifiers and radio
Tetrode
Principle in physiology
1925 from a set of crosscut muscle fibres. Using a thermionic triode valve amplifier with 1850 amplification, Adrian noticed that when the muscle preparation
All-or-none_law
British musical instrument brand
guitars, electro-acoustic models with built-in effects, and compact valve amplifiers. Reviews of Hartwood instruments have highlighted their design features
Hartwood_(brand)
Microwave signal amplifier
A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used
Traveling-wave_tube
Scottish electronics engineer
design of early high fidelity valve amplifier known as the Williamson amplifier, that originally featured "OSRAM" brand valves (such as KT66 "Kinkless" Tetrode
David Theodore Nelson Williamson
David_Theodore_Nelson_Williamson
Type of electrical rectifier with a liquid cathode
grid-controlled mercury-arc valves bear a superficial resemblance to triode valves, mercury-arc valves cannot be used as amplifiers except at extremely low
Mercury-arc_valve
Retrieved 19 November 2013. Linde, Rainer Zur (1995). Build Your Own AF Valve Amplifiers: Circuits for Hi-fi and Musical Instruments. Elektor International
7199
Electrically-operated fluid valve
Two-stage servo valves may use flapper, jet pipe, or deflector jet valves as hydraulic amplifier first stages to position a second-stage spool valve. This design
Electrohydraulic_servo_valve
Clonewheel organ
and a built-in reverb unit and Leslie simulator. It also had a tube (valve) amplifier simulation. It weighs 37.5 lb (17 kg). It has a 20-character fluorescent
Korg_CX-3
guitar amplifier head and accompanying speaker cabinet manufactured by Vox. It was introduced in 1964 to meet the growing demand for louder amplifiers during
Vox_AC50
VST instruments
Additionally, a Korg Triton Extreme plugin was introduced, incorporating the valve amplifier effect from the original instrument. The Korg Collection 4, launched
Korg_Collection
Electro-mechanical piano
ledge includes a routed recess for the bottom of the music. It has a valve pre-amplifier and a knee lever for volume control. Approximate manufacturing span
Cembalet
British codebreaking device of WW2
got him to devote his attention to the construction of a reliable valve amplifier and methods of registering and counting these particles. The counter
Heath Robinson (codebreaking machine)
Heath_Robinson_(codebreaking_machine)
Anion SiO4–4, or any of its salts and esters
doi:10.3390/ma6083079. Jones, Morgan (Electronics engineer) (2011). Valve amplifiers (4th ed.). Oxford: Newnes. p. 301. ISBN 978-0-08-096640-3. OCLC 760157359
Orthosilicate
A shunt regulated push–pull amplifier is a Class A amplifier whose output drivers (transistors or more commonly vacuum tubes) operate in antiphase. The
Shunt regulated push-pull amplifier
Shunt_regulated_push-pull_amplifier
Electronic instrument company
the Univox, an early mains powered electronic keyboard with built-in valve amplifier and loudspeaker, similar to the Clavioline. There is some debate over
Jennings_Musical_Instruments
American audio equipment manufacturer
Ampeg ("amplified peg") is a manufacturer best known for its bass amplifiers. Originally established in 1946 in Linden, New Jersey by Everett Hull and
Ampeg
Private industrial museum in Istanbul, Turkey
(1920), phonograph (1903), Thomas Edison telegraph patent model (1876), valve amplifier (1936), zoetrope (1835), Scientific instruments: Wimshurst machine
Rahmi_M._Koç_Museum
Process where information about current status is used to influence future status
negative feedback in electronic amplifiers. According to Black: Positive feed-back increases the gain of the amplifier, negative feed-back reduces it.
Feedback
Austrian entrepreneur, physicist, and inventor (1878–1913)
Lieben decided to make a low-distortion electronic amplifier using the already-known thermionic valve principle to control the flow of current with a weak
Robert_von_Lieben
Mexican singer and bassist
the nickname "Bulbo" ("bulb" in Spanish) due to her obsession with valve amplifiers, which often had bulb-like tubes. In 2000, the band went on hiatus
Jessy_Bulbo
Digital audio editor
32 also introduced a novel enhancement processes termed the Virtual Valve Amplifier (aka. VVA). This novel enhancement algorithm provided the opportunity
Diamond Cut Audio Restoration Tools
Diamond_Cut_Audio_Restoration_Tools
Line of gaming PCs
experience. They were developed by Valve in collaboration with several computer vendors who were engaged with Valve to develop their own computers for
Steam_Machines
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