2/2/2023 0 Comments Sony ta f555esx manuals online![]() ![]() ![]() A rocker switch in the rear selects operating modes for loads from 8 to 16 ohms or from 4 to 6 ohms, the latter for use with low-impedance speakers 'or pairs of speakers wired in parallel. Its circuits are direct-coupled from the high-level inputs to the speaker outputs, and protective circuits prevent damage to either the amplifier or the speakers from a malfunction or most forms of careless operation. According to Sony, the TA-F555ES is intended to meet the special demands imposed by digital Compact Discs, and to this end the amplifier is said to have 100 dB of channel separation at 100 Hz, a 120-dB dynamic range, and a “linear gain control.” The TA-F555ES is rated to deliver 100 watts per channel into 8-ohm loads from 20 to 20,000 Hz with no more than 0.004 per cent total harmonic distortion and into 4-ohm loads with no more than 0.01 per cent distortion. A front-panel inscription further identifies ACT as “a current drive amplifier system that has electrically separated the four amplifier sections for total elimination of mutual interference.” Elsewhere we are told that this involves the use of completely separate power supplies for each of the preamplifier and power-amplifier sections. Sony’s TA-F555ES integrated amplifier features what its manufacturer callsan “Audio Current Transfer” system (ACT). ![]()
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