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Mesa-Boogie Mark IV, a guitar combo amplifier. A guitar amplifier (or amp) is an electronic device or system that strengthens the electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a wooden cabinet.
Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus 1 Hi Fi integrated audio amplifier (1984) [1]. 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, to a level that is high enough for driving loudspeakers or headphones.
Presence controls can also be found on electric guitar amplifiers. The first presence control on a Fender amplifier, for example, appeared in 1954 on the Twin. In 1955 it appeared on the 1/15 Pro-Amp, the 3/10 Bandmaster, the 2/10 Super, [4] and the 4/10 Bassman. [5] The original Fender presence control acted upon the amplifier's negative ...
A typical sound reinforcement system consists of; input transducers (e.g., microphones), which convert sound energy such as a person singing into an electric signal, signal processors which alter the signal characteristics (e.g., equalizers that adjust the bass and treble, compressors that reduce signal peaks, etc.), amplifiers, which produce a ...
Other manufacturers followed with their versions, such as the N709 from General Electric Co. Ltd. of England and the 6P15 from UK brand Mazda, that were designed to be drop-in substitutes. CV2975 is the military designation (Common Tube) for EL84.
Matchless Amplifiers was founded in 1989 by Mark Sampson and Rick Perotta. The company started in Perotta's home in Hollywood, California. Steve Goodale and Chris Perrotta were also key initial partners. The company saw great success in the early 1990s, meeting the demand for sonically consistent and structurally reliable tube amplifiers.
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The Fender Princeton Reverb is a guitar amplifier combo, essentially a Princeton with built-in reverb and vibrato. The 12 Watt Blackface version was introduced in 1964 and available until 1967; in 1968 it was changed to the Silverface version with a drip edge around the grill cloth. Amps produced after the end of 1969 saw a change in circuitry ...