Nakamichi 630 specifications

Category : Preamplifier tuner

Brand : Nakamichi

General

connectors

Technical data

preamplifier

Tuner

special features

• manufacturer: Nakamichi
• model: 630
• year of construction: 1977 - 1980
• Made in Japan
• color: Black
• remote control
• power consumption: 20 W
• dimensions (WxHxD): 400 x 170 x 237 mm
• weight: 7 kg
• factory price approx.: 1.800,- DM

• number of inputs:
  • Phono MM: switchable 1 mV, 2 mV, 5 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • AUX: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • Tape Play 1, 2: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • antenna: 75 643961b8da111c0a15d770a1109a86d4, 300 643961b8da111c0a15d770a1109a86d4s
• number of outputs:
  • Tape 1, 2 Rec: 100 mV / 50 K-ohms
  • Pre Out: 1 V / 10 k643961b8da111c0a15d770a1109a86d4
  • headphone: 40 mW into 8 643961b8da111c0a15d770a1109a86d4s (6.3 mm Jack)

• Phono MM: switchable 1 mV, 2 mV, 5 mV / 100 k643961b8da111c0a15d770a1109a86d4
• AUX: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
• Tape Play 1, 2: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
• antenna: 75 643961b8da111c0a15d770a1109a86d4s, 300 643961b8da111c0a15d770a1109a86d4s

• Tape 1, 2 Rec: 100 mV / 50 K-ohms
• Pre Out: 1 V / 10 k643961b8da111c0a15d770a1109a86d4
• headphone: 40 mW into 8 643961b8da111c0a15d770a1109a86d4s (6.3 mm Jack)

• frequency response:
  • Phono: 30 - 15,000 Hz
  • high-level: 20 - 50,000 Hz
• total harmonic distortion: < 0,003 %
• signal-to-noise ratio:
  • Phono: gt&; 80 dB
  • high level: > 102 dB
• tone control
  • Bass: ± 9 dB / 20 Hz
  • treble: ± 9 dB / 20 kHz
• Contour Filter: adjustable
  • in - 8: - 14 dB / 20 Hz - 30 dB / 3 kHz - 25 dB / 20 kHz
• Loudness:
• High Filter:
• Low Filter (Subsonic):
• Mute:
• Direct/Line-Straight:

• Phono: 30 - 15,000 Hz
• high-level: 20 - 50,000 Hz

• Phono: > 80 dB
• high level: > 102 dB

• Bass: ± 9 dB / 20 Hz
• height: ± 9 dB / 20 kHz

• in - 8: - 14 dB / 20 Hz - 30 dB / 3 kHz - 25 dB / 20 kHz

• receiving: FM
• frequency:
  • FM: 87.5 - 108 MHz
• frequency response: 50 Hz - 15 kHz, + 0 dB, 1.5 dB
• input sensitivity
  • FM: 1.5 µV
• total harmonic distortion:
  • Wide: 0,08 %
  • Narrow: 0,3 %
• FM Dolby:
  • Dolby: 65 dB
  • Dolby sharpness: 70 dB
• signal-to-noise ratio: 67 dB
• channel separation: 45 dB
• separation:
  • Wide: > 45 dB
  • Narrow: > 90 dB
• Crosstalk:
  • Wide: > 55 dB
  • Narrow: > 30 dB
• frequency selection: 1.0 dB
• in addition to the wave selection: 100 dB
• mirror frequency attenuation: 100 dB
• ZF-loss: 100 dB
• ON-suppression: 60 dB

• FM: 87.5 - 108 MHz

• FM: 1.5 µV

• Wide: 0,08 %
• Narrow: 0,3 %

• Dolby: 65 dB
• Dolby A: 70 dB

• Wide: > 45 dB
• Narrow: > 90 dB

• Wide: > 55 dB
• Narrow: > 30 dB

• Tape Dubbing
• FM Muting
• FM Dolby

• Other models from the same series:

• image: Nakamichi 630

• extract from the prospectus: Nakamichi 630

• Device performance in good-old-hifi: [1]

• report in "FonoForum" 12 / 1977

Comment:

Comment box:

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