Pioneer A-700 Stereo Integrated Amplifier (1981). Power output: Min. RMS 90 watts per channel into 8 ohms (stereo) Total harmonic distortion: 0.05%. Pioneer A-700 Integrated Stereo Amplifier (1981) Integrated stereo amplifier ONKYO A-820GTR 1982. Power output: Min. RMS 120 watts per channel into 8 ohms (stereo). Total harmonic distortion: 0.008% Interior integrated stereo amplifier ONKYO A-820GTR 1982. Integrated stereo amplifier Technics SU-V8. 1979-84. Power output: Min. RMS 110 watts per channel into 8 Ohms (stereo). Total harmonic distortion: 0.003% Integrated stereo amplifier Technics SU-V8. 1979-84. Integrated stereo amplifier LUXMAN L-430.1982-85. Power output: Min. RMS 105 watts per channel into 8 ohms (stereo). Total harmonic distortion: 0.009% Integrated stereo amplifier LUXMAN L-430.1982-85. Natural sound stereo integrated amplifier Yamaha A-1000 1984. Power output: Min. RMS 100 watts per channel into 8 ohms (stereo) Min. RMS 140 watts per channel into 4 ohms (stereo) Total harmonic distortion: 0.005% Natural sound stereo integrated amplifier Yamaha A-1000 1984.