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A single amplifier can usually power a woofer and a tweeter only through a post-amplifier crossover filter, which protects each driver from signals outside its frequency range. Bi-amping of speakers requires double the channels of amplification and can be accomplished using two ordinary amplifiers in either a vertical or horizontal arrangement.
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
The London offers 2-amps-in-one. Released January, 2005. [4] Marquee Club - 35Watt (4 x EL84), tube rectified, 3 x 12 AX7, two channels. 65 Amps second model introduced after the London. One 12AX7 is in a "cascode" circuit instead of using an EF86 as was used in the London.
At the age of 18, Dave Friedman moved from his native Detroit, Michigan, to Los Angeles, where he worked at a store renting high-end instruments to studio musicians. [1] [2] While there, a customer brought in a Soldano SLO 100 modified by Bruce Egnater of Egnater Amplification; an impressed Friedman contacted Egnater about creating a new preamp, which became popular with local studio musicians ...
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input ...
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Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts.The electrical power delivered to the loudspeaker, together with its efficiency, determines the sound power generated (with the rest of the electrical power being converted to heat).