Nikko Gamma 20

Data

General

  • Manufacturer: Nikko
  • Model: Gamma 20
  • Type: Tuner
  • Years of construction: 1979 - 1981
  • Made in: Japan
  • Color: Black
  • Remote control: no
  • Power consumption:
  • Dimensions: 482 x 70 x 330 mm (WxHxD).
  • Weight: 5 kg
  • Original price approx.: 380 US-$, 1'160 DM


Connections

  • Number of inputs:
    • Antenna FM / MW: 75, 300 Ohm / 300 Ohm
  • Number of outputs:
    • Line Out: 150 mV, 2.2 kOhm.
    • FM Det Out:


Specifications

  • Reception: FM, MW
  • Frequencies:
    • VHF: 88 - 109 MHz

MW: 530 - 1600 KHz

  • Input sensitivity:
    • FM: 1.8 µV
    • MW: 350 µV
  • Frequency response: 50 - 15'000 Hz, ± 0,5 dB
  • Distortion factor FM (1 kHz):
    • Mono: < 0.08 %

Stereo: < 0.12 %

  • Signal-to-noise ratio:
    • FM mono: 75 dB

FM stereo: 68 dB

    • MW: 38 dB
  • Channel separation: 40 dB (1 kHz)
  • selectivity:
    • FM: 70 dB
    • MW: 30 dB
  • Co-wave selection: 1.5 dB
  • Spurious wave selection: 70 dB
  • Image frequency attenuation:
    • FM: 70 dB
    • MW: 30 dB

IF attenuation:

    • FM: 80 dB
    • MW: 25 dB
  • AM suppression: 60 dB


Special Features

  • VHF De-Emphasis switchable


Remarks










Pictures

  • Excerpt from US advertising: Nikko Alpha 220, Beta 20, EQ-I, Gamma 20, ND-790

Nikko Alpha-220-Beta-Gamma-20-EQ-1-ND-790-Werbung-1981.jpg


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