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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.
Audio power is the electrical power transferred from an audio amplifier to a ... An '84 dB' source would require a 400-watt amplifier to produce the same acoustical ...
During the 1970s, the MC-2300 was an expensive piece of audio equipment, with a retail price of $1799 by the time of its discontinuation in 1980. [1] That being said, its outstanding power and sound production quality made it a valued part of many recording studios and although some people prefer the sound of tube amplifiers, the overall greater reliability and freedom from repair of the newer ...
For audio power amplifiers employing some global negative feedback, this source impedance is generally smaller than 0.1 Ω, [6] which from the point of view of the driver voice coil is a near short circuit.
A McIntosh stereo audio amplifier with output power of 50 watts per channel used in home component audio systems in the 1970s. [1] Amplification means increasing the amplitude (voltage or current) of a time-varying signal by a given factor, as shown here.
On audio chat forums, some hobbyists claim that operating an amplifier's stereo pair in bridge mode will deliver four times the power of one of the pair's channels. Given an equivalent load, power delivered is proportional to the square of the voltage, and bridge mode operation doubles the voltage presented.
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