There are four basic types of electronic amplifier: the voltage amplifier, the current amplifier, the transconductance amplifier, and the transresistance amplifier.
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These are often used in mechanical actuators, or devices such as DC motors that must maintain a constant speed or torque.
Stimulation of pain fibers in a pattern consistent with that from inflammation switches on a form of amplification in the spinal cord, long term potentiation.
Dopyera set to work, and over the following months invented a guitar with three aluminum cones mounted underneath the bridge, an amplification scheme similar to the diaphragms inside a speaker.
Whereas the first version of the score relied solely on acoustical means to achieve dynamic balance, amplification became a requirement for performance after the addition of the soloists in the revised version (Maconie 2005, 393).
A lower false ceiling was installed in the chamber to help to improve its acoustics, the quality of which was important in an age without artificial amplification.
Haters performances typically consist of Jupitter-Larsen and one other performer, both wearing masks, creating extremely loud noise using various types of machinery, with the sound distorted and amplified until it is virtually unrecognizable.
Eventually James Murphy joined the band as sound engineer (where he became known for a punishing tour PA setup, which he nicknamed "Death From Above").
amplifier | Amplifier | Instrument amplifier | Williamson amplifier | Valve audio amplifier | Shiva amplifier chains showing spatial filter tubes (white) and Nd:glass amplifier structures (short blue tubes closest to camera). Portions of the 1982 Disney film ''Tron | Negative feedback amplifier | Matchless (amplifier manufacturer) | instrument amplifier | Hōkai Amplifier | Guitar amplifier | Doherty amplifier |
Dedicated pedals such as the "I90" chorus from Bass Amplifier Manufacturer Eden Electronics allow the musician to control both of these elements.
Bosco Chocolate Syrup, at that time called Bosco Milk Amplifier, was heavily advertised on children's shows during the late 1950s and early 1960s, such as The Popeye Club, a local Atlanta, Ga. program featuring Popeye cartoons, as well as live action sequences.
More recently Conte has played a Baker guitar through a Rivera amplifier.
The tribute to The Beatles encompasses a display of instruments associated with the band — Rickenbacker (John), Höfner Bass (Paul), Ludwig (Ringo) and Gretsch (George), together with a Vox amplifier.
The audio system features an 8 speaker JBL system powered by a dedicated custom designed amplifier, unlike most other Citroen cars that feature a Denon audio system.
Next, the key elements of radio electronics, including filters, amplifiers, oscillators, mixers, and antennas are described.
From 1979 until 1989, the brand name was also used for consumer audio equipment such as speakers, CD players and amplifiers.
There are also a minority of Class D and Class T digital amplifier driven analog speakers, though these are not normally found in separate computer speakers or home stereo systems.
AT&T owned patents on vacuum tubes (which the majority opinion termed “amplifiers”) and licensed the patents to Transformer Company to manufacture tubes for use in the field of home radios, or small, so-called noncommercial amplifiers.
Dr. Matt typically plays a 1970s Fender Telecaster Bass which differs from the 1950s Telecaster Bass in that the bass has a humbucker rather than a single coil pickup (note: In the "Hate to Say I Told You So" music video, he plays a Rickenbacker bass) in the band's signature white/black color combo through a white Hiwatt amplifier; he almost always uses bass distortion and a pick.
Electrocompaniet named their new monoblock amplifier after Nemo, the fictional captain of the submarine Nautilus.
Throughout its production, the amplifier has most often featured a Jensen C-12Q series 12-inch loudspeaker, although Oxford 12K5, Marlboro SE, Utah and Eminence speakers have also been used.
Designed by Bruce Zinky as a project for the Fender Custom Shop, the amplifier later had a non-Custom Shop production run at the Fender facilities in Corona, California.
In 2012, Fender introduced its first "Signature series"; Eric Clapton helped design the "EC" series of three amplifiers, including the Vibro-Champ, based on the five-watt amplifier "allegedly" used for the recording of Layla and Other Assorted Love Songs.
Harvard Apparatus also developed first volume controlled- and then pressure controlled ventilators, pulsatile blood pumps, transducers, amplifiers, recorders, glassware and many other specialized bioscience research products.
Following a move to Bar Hill, Cambridge in the late 70's, HH extended its range of sound reinforcement equipment to include models such as the MA100 Mixer Amplifier, a 100 watt, 5 channel PA amplifier 'head' with a switchable spring reverb.
John Atkinson, current editor of Stereophile, stated (in a 2005 July editorial named Blind Tests & Bus Stops) that he once purchased a solid-state amplifier, the Quad 405, in 1978 after blind tests, but came to realize months later that "the magic was gone" until he replaced it with a tube amp.
Home theater in a box, HTIB is an modestly-priced integrated home theater package which "bundles" together a combination DVD-Video or Blu-ray Disc player and multi-channel amplifier (which includes a surround sound decoder, a radio tuner, and other features), speaker wires, connection cables, a remote control, a set of five or more surround sound speakers (or more rarely, just left and right speakers) and a low-frequency subwoofer
Ibanez guitars are the main guitars that Manuel uses with minimal foot pedals consisting only of a distortion pedal and Boss digital delay with a Roland Jazz Chorus amplifier.
Commercial implementations of LCoS technology include Sony's SXRD (Silicon X-tal Reflective Display) and JVC's D-ILA (Digital Direct Drive Image Light Amplifier).
The lock-in amplifier is commonly believed to be invented by Princeton University physicist Robert H. Dicke who founded the company Princeton Applied Research (PAR) to market the product.
In 2012, a research team from the National Physical Laboratory and Imperial College London developed a way to make a solid-state maser operate at room temperatures by using pentacene-doped p-Terphenyl as the amplifier medium.
For instance, a recording that sounds great on one speaker/amplifier combination playing CD audio, may sound drastically different on a computer-based system playing back a low-bitrate MP3.
But when the early blues musicians began playing outside on Maxwell Street – the place where they could be heard by the greatest number of people – they realized they needed either a louder than standard Resonator guitar (e.g. Arvella Gray) or amplifiers and electrical instruments (e.g. Jim Brewer) in order to be heard.
This turned the machine from a voltage-to-current amplifier into a voltage-to-voltage amplifier, and they called the new variant an Amplidyne.
Odor amplifier is the plausible, but fictitious, invention of mechanical engineer Thomas A. McMahon that is described in his 1970 novel, Principles of American Nuclear Chemistry: A Novel, in which it is invented by a character modeled on Richard Feynman.
The operational transconductance amplifier (OTA) is an amplifier whose differential input voltage produces an output current.
Hartley Peavey founded Peavey Electronics, one of the world’s largest manufacturers and suppliers of musical and professional audio equipment, in 1965 after building his first amplifier in 1957.
But testing is not confined to DC (zero frequency); often an operational amplifier will also have its PSRR given at various frequencies (in which case the ratio is one of RMS amplitudes of sinewaves present at a power supply compared with the output, with gain taken into account).
They were also reputedly the first jazz band in the UK to use an amplified guitar, which was produced and introduced by their guitar player, Lauderic Caton.
It's been noted that Phil Spector, re-mixing the original Beatles’ Let It Be master tapes in 1970, may have re-recorded dry electric guitar program through a guitar amplifier.
Aside from film-work, Edlund also developed and manufactured the Pignose portable-style guitar amplifier (co-designed by Wayne Kimball).
The Speakon (sometimes stylized speakON) is a type of cable connector, originally manufactured by Neutrik, mostly used in professional audio systems for connecting loudspeakers to amplifiers.
Steve is thought to have taken his last name from either Sylvia and Gerry Anderson's astronaut in 1960s television show Fireball XL5, or his Selmer Zodiac 100-watt amplifier, which had to be used at full volume to get the distortion and sustain which was fundamental to his sound.
These include guitars by Gretsch, Höfner, Rickenbacker and Gibson, Vox AC30 guitar amplifiers and a Vox AC50 bass amplifier with a T60 bass cabinet.
They also recruited a new singer, former Mynah Birds singer Jimmy Livingstone (born 28 February 1938), who Neilson had befriended in Long & McQuade’s music store where he worked in the backroom as an amplifier and guitar repairman.
In 1922, Louis Alan Hazeltine invented the technique of neutralization which uses additional circuitry to stabilize the amplifier.
In 1970, Jack Herschorn purchased the Universal Audio mixing console and a number of other pieces of equipment from that studio including UA LA-76A and LA-76B limiting amplifiers, UA vacuum tube power amplifiers (which were actually Dynakit Stereo 70 and 50-watt mono amplifier kits assembled into rack-mount chassis), Fairchild Conax sibilance controllers, Langevin graphic equalizers and Cinema Engineering filters, all originally installed in United Studio A in 1957.
Williamson amplifier, a type of push-pull audio amplifier with low distortion first designed in 1947
The opening track, "And the Cradle Will Rock...", begins with what sounds like a guitar, but is, in fact, a phase shifter-effected Wurlitzer electric piano played through Van Halen's 1960s model 100-watt Marshall Plexi amplifier.