(Q758907)

English

audio amplifier

audio equipment that amplifies the signal strength of a device such as a CD player or an electric guitar, typically for feeding loudspeaker boxes connected to it

  • audio amp

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Denon PMA-980R HiFi stereo amplifier (1992), front panel and rear side with typical RCA connectors for CD, Tuner, Phono, Aux, Tape, and loudspeaker terminals (right below) (English)
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Professional PA power amplifiers used for rock concerts etc., each having an output power of about 2 x 500 Watts (depending on load impedance), stacked in a standard 19 inch rack (English)
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Bogner amp stack.jpg
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Two guitar amplifiers for use with electric guitars, stacked on a loudspeaker box used by musicians (English)
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Micro-size booster for amplifying the headphone audio signal coming from a smartphone or the like, power rating ca. 100 mW (0.1 Watt) at 32 Ohm (English)
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Audio amplifiers
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