Nakamichi 420 Stereo Power Amplifier, 1976-1980¿, made in Japan




Link: hifiengine | radiomuseum | service manual


Country:  Japan
Manufacturer / Brand:  Nakamichi Co.; Tokyo
Year: 1976-1980 ??
Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 50/60Hz; 100; 117; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 100 W (unknown quality)
Model: Power Amplifier 420 - Nakamichi Co.; Tokyo
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 400 x 80 x 225 mm / 15.7 x 3.1 x 8.9 inch
Notes Nakamichi Stereo Power Amplifier Model 420.
  • Power output:

- 25 Watts RMS per channel (16 Ohms, 5 - 20000Hz)
- 50 Watts RMS per channel (8 Ohms, 5 - 20000Hz)
- 60 Watts RMS per channel (4 Ohms, 5 - 20000Hz)
  • IHF Power Bandwidth (both channels driven) 5 - 100000Hz
  • Frequency response: 5Hz to 50kHz
  • Total harmonic distortion: 0.02%
  • Damping factor: 100
  • Input sensitivity: 1V
  • Signal to noise ratio: 110dB
  • Power Consumption:
  • max. 400VA(8Ohms)


Optional:
Nakamichi Bridging Adaptor Model BA-100.
Net weight (2.2 lb = 1 kg) 7 kg / 15 lb 6.7 oz (15.419 lb)