Stereo cassette deck NEC k-537 1983. 3 head system. Stereo cassette deck Nakamichi Dragon. 3 heads system. 1982. Stereo cassette deck 3 heads system Akai GX-F95. 1981. Stereo cassette deck LO-D Hitachi D-500M 1979. Integrated stereo amplifier Trio-Kenwood KA-9300. 1976. Power output: Min. 120 watts RMS. per channel into 8 ohms (stereo). Min. 140 watts RMS. per channel into 4 ohms (stereo). Total harmonic distortion: 0.05% Interior Integrated stereo amplifier Trio-Kenwood KA-9300. 1976. Integrated stereo amplifier Accuphase E-303X 1983. Power output: Min. RMS 150 watts per channel into 8 ohms (stereo) Min. RMS 200 watts per channel into 4 ohms (stereo) Interior integrated stereo amplifier Accuphase E-303X Denon PMA-550 Stereo Integrated Amplifier (1980) 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% Denon PMA-550 Stereo Integrated Amplifier (1980)