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)
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