• Country
• Japan

• Manufacturer / Brand
• Nikko Electric Manufacturing Co., Ltd.; Tokyo

• Year
• 1979–1982 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 209130

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 240 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: DC Power Amplifier Alpha 220 - Nikko Electric Manufacturing

• Shape
• Rack

• Dimensions (WHD)
• 482 x 138 x 344 mm / 19 x 5.4 x 13.5 inch

• Notes

• Nikko Alpha 220

  Stereo Endstufe mit Ausgangsleistung von:

  • 2 x 130 Watt Dauerleistung an 4 Ω nach RMS 20 - 20.000 Hz, THD 0,02 %
  • 2 x 120 Watt Dauerleistung an 8 Ω nach RMS 20 - 20.000 Hz, THD 0,008 %

  2 LS Gruppen schaltbar.

  ---

  IHF Power Bandwidth 5 - 70.000 Hz, Signal to Noise Ratio 115 dB, Damping Factor at 1.000 Hz, 8 Ω, more than 60.
  Indicator for Protect, Output Power, Level Indicator (peak power display) by 12 LED-display,
  0 - 480 W at 4 Ω resp. 0 - 240 W at 8 Ω.

  Versions:

  • W type 60Hz, 120 V, UL and CSA type
  • E  type 50Hz, 220 V, NK-STD type
  • B  type 50Hz, 240 V, BS type

   

• Net weight (2.2 lb = 1 kg)
• 13.5 kg / 29 lb 11.8 oz (29.736 lb)

• Price in first year of sale
• 525.00 $

• Source of data
• - - Manufacturers Literature

• Mentioned in
• -- Original-techn. papers. (Serviceanleitung Nov. 1980, Katalog US 1982)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 120 models, 101 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nikko Electric Manufacturing Co., Ltd.; Tokyo