Nikko NA-690

Data

General

  • Manufacturer: Nikko
  • Model: NA-690
  • Type: Integrated amplifier
  • Years of manufacture: 1979 - 1981
  • Made in: Japan
  • Colors: Silver, Black
  • Remote control: no
  • Power consumption:
  • Dimensions: 420 x 138 x 335 mm (WxHxD).
  • Weight: 11 kg
  • Original price approx.: 250 US-$, 800 DM


Connections

  • Number of inputs:
    • Phono MM: 2.3 mV / 47 kOhm, 140 mV max.
    • Tuner: 150 mV / 39 kOhm

Aux: 150 mV / 39 kOhm

    • Tape Play: 150 mV / 39 kOhm
  • Number of outputs:
    • Tape Rec: 150 mV / 39 kOhm
    • Headphones: 6,3 mm jack, front
    • 2 pairs of speakers


Technical Data

  • Continuous power
    • 8 Ohm: 2x 45 W (RMS, 20 - 20'000 Hz, 0,04 %)
    • 4 Ohm:
  • dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.03 %
  • Attenuation factor: 50 at 8 Ohm
  • Frequency response:
    • Phono: 20 - 20'000 Hz
    • High level: 5 - 40'000 Hz
  • Signal to noise ratio:
    • Phono MM: 80 dB
    • High level: 90 dB
  • Tone control:
    • Bass at 70 Hz: ± 10 dB
    • Treble at 10 kHz: ± 10 dB
  • Loudness: yes, + 10 dB at 70 Hz, + 6 dB at 10 kHz
  • Low Filter: yes, - 6 dB / octave at 20 Hz
  • High Filter: yes, - 6 dB / octave at 7 kHz
  • Mute:


Comments





Pictures

  • Image: Nikko NA-690

Nikko NA-690-1.jpg


  • Image: Nikko NA-690

Nikko NA-690.jpg


Reports

Links