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)