• Country
• United States of America (USA)

• Manufacturer / Brand
• Audio Research, Plymouth

• Year
• 1983

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 148567

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 210-240 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: D-250 - Audio Research, Plymouth

• Shape
• Rack

• Dimensions (WHD)
• 19 x 10.5 x 20.75 inch / 483 x 267 x 527 mm

• Notes
• Tube stereo power amplifier. Unit can be bridged to make a 500 watt mono-block amp.
  Tube complement D-250: (6) 6922, (4) 7119/7044, (8 matched pairs) 6550, (4) 6550, (2) 12AT7.

• Net weight (2.2 lb = 1 kg)
• 60 kg / 132 lb 2.5 oz (132.159 lb)

• Price in first year of sale
• 4,995.00 $

• Source of data
• -- Original prospect or advert

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

• Other Models

• Here you find 37 models, 14 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Audio Research, Plymouth