Very nice conditions – See photos. Powers on and works. Sony TA-N55ES, Stereo, Mono, switch, Power Amplifier, Dual mono power amplifier. Dual Mono Power equals Stereo. Constructed like the sought-after Monoblocks of Marantz, Dynaco, and others but put together in one compact and powerful package. Rated at 110 watts per channel into 8 ohm but with the flick of a switch makes 300 watts/channel into 8 Ohm when the switch is in Mono mode. Perfect for those Vintage Mono Jazz and Rock records. One, 1989, Proton, AA-1150. Integrated Stereo Amplifier with Monster Power Output Features. This Sony Power Amplifier is a Monster Power, Mono, and Stereo Amplifier with Pure, Focused Power and the Sound that made this rare unit by Sony Famous. In 1989, this Sony Power Amp was Rated at 110 watts per channel Into 8? . However, in the past, audio technicians always underrated the output wattage of these amplifiers. This Sony Amp performs closer to 150 watts per channel. Specifications from the internet. Power output: 110 watts per channel into 8? (stereo), 300W into 8? (mono). Frequency response: 20Hz to 20kHz. Total harmonic distortion: 0.05%. Input sensitivity: 0.18V. Dimensions: 467 x 150 x 365mm.
