Nakamichi 620 specifications

Category : Power amplifiers

Brand : Nakamichi

General

Connections

Tech nical data

Special equipment

• Manufacturer: Nakamichi
• Model: 620
• Years of construction: 1977 - 1979
• Manufactured in: Japan
• Color: Black
• Remote control:
• Power consumption: 700 W max. 50 W Rest
• Dimensions: 400 x 189 x 248 mm (WxHxD)
• Weight: 12.5 kg
• Factory price approx.: 1.800,- DM

• Number of inputs:
  • Line In: 1 V, 10 kOhm
Number of outputs: < ul>
• 1 speaker pair

• Line In: 1 V, 10 kOhm

• 1 speaker pair

• Continuous power (with total harmonic distortion)
  • 8 Ohm s: 2x 100 W (5 - 20'000 Hz, 0,02 %)
  • 4 Ohm :
• Continuous power BTL (mono) (with total harmonic distortion)
  • 8 ohm: 350 W
  • 4 Ohm :
• Dynamic power
  • 8 Ohm :
  • 4 Ohm :
• Total harmonic distortion:
  • <0.002 % at 1 kHz
  • <0.005 % at 10 kHz
• Attenuation factor: > 100 at 1 kHz at 8 ohms
• Frequency response: 5 - 100'000 Hz, + 0 dB, - 1 dB
• Signal-to-noise ratio: > 120 dB
• Crosstalk attenuation: > 70 dB (1 kHz)

• 8 Ohm s: 2x 100 W (5 - 20'000 Hz, 0,02 %)
• 4 Ohm :

• 8 Ohm : 350 W
• 4 Ohm :

• 8 Ohm :
• 4 Ohm :

• <0.002 % at 1 kHz
• < 0,005 % at 10 kHz

• BTL Mono bridgeable
• Power level indicators switchable:
  • Green: 1 W, 5 W, 25 W
  • Red: 25 W, 50 W, Max.

• Green: 1W, 5W, 25W
• Red: 25W, 50W, Max.

• Other models of the same series:
• 420
• 620
• Part of System One, along with 600, 610, 630

• Excerpt from prospectus: Nakamichi 620

• Report in "FonoForum" 12 / 1977

Comment:

Comment box:

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