
ASHLY TRA-2150
The TRA-Series of amplifiers incorporates switch-mode-power supplies and Class-D Definition of Amplifier:] body=[ Generally, an amplifier is any device that will convert one signal (often with a very small amount of energy, a few milliwatts) into another signal (often with a larger amount of energy e.g. several hundred watts). A power amplifier converts a low-power signal from a pre-amplifier into a high-power signal (tens to hundreds of watts) needed to drive a loudspeaker. ] cssheader=[boxoverheader] cssbody=[boxoverbody]">amplifier circuitry, providing an extremely power-efficient solution. Four models in each series are available in two and four Definition of Channel:] body=[ A functional path in an audio circuit (i.e. an input channel, an output channel, a recording channel, the left channel, right channel and so on. ] cssheader=[boxoverheader] cssbody=[boxoverbody]">channel configurations with power ratings of 75W and 150W per Definition of Channel:] body=[ A fu