Nikko NA-690 specifications

Category : Integrated amplifier

Brand : Nikko

General

Connections

Technical data

• Manufacturer: Nikko
• Model: NA- 690
• Type: Integrated amplifier
• Years of construction: 1979 - 1981
• Manufactured in: Japan
• Colors: Silver, Black
• Remote control: no
• Power consumption:
• Dimensions: 420 x 138 x 335 mm (WxHxD)
• Weight: 11 kg
• Factory price approx.:

• Number of inputs:
  • Phono MM: 2.3mV / 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: 6.3mm jack, front
  • 2 Pairs of Speakers

• Phono MM: 2.3mV / 47 kOhm , 140 mV max.
• Tuner: 150 mV / 39 kOhm
• Aux: 150 mV / 39 kOhm
• Tape Play: 150 mV / 39 kOhm

• Tape Rec: 150 mV / 39 kOhm
• headphones: 6.3 mm Jack, front
• 2 pairs of Speakers

• continuous power
  • 8 Ohm : 2x 45 W (RMS , 20 - 20'000 Hz, 0,04 %)
  • 4 Ohm :
• dynamic performance
  • 8 Ohm s:
  • 4 Ohm :
• total harmonic distortion: 0.03 to %
• damping factor: 50 at 8 Ohm s
• 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
• sound-control:
  • Bass at 70 Hz: ± 10 dB
  • treble 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:

• 8 Ohm : 2x 45 W (RMS , 20 - 20'000 Hz, 0,04 %)
• 4 Ohm :

• 8 Ohm s:
• 4 Ohm :

• Phono: 20 - 20 000 Hz
• high-level: 5 - 40 000 Hz

• Phono MM: 80 dB
• high level: 90 dB

• Bass at 70 Hz: ± 10 dB
• treble 10 kHz: ± 10 dB

• Other models from the same series:
• amplifier:
• Nikko NA-590
• Nikko NA-690
• Nikko NA-790
• Nikko NA-890
• Nikko NA-990

• pre-amplifier:
• Nikko Beta 20
• Nikko Beta 40

• power amplifier
• Nikko Alpha I II
• 92b6a9257b8779f4f5749993d12ae1b3
• Nikko Alpha 220
• Nikko Alpha 440

• Tuner:
• Nikko NT-790
• Nikko NT-990
• Nikko Gamma 20
• Nikko Gamma 40

• image: Nikko NA-690

• image: Nikko NA-690

Comment:

Comment box:

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