• Country
• United States of America (USA)

• Manufacturer / Brand
• Audio Research, Plymouth

• Year
• 1981–1983

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 148559

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-120; 210-240 Volt

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

• Power out
• 250 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: D-111 - Audio Research, Plymouth

• Shape
• Rack

• Dimensions (WHD)
• 19 x 10.5 x 17.25 inch / 483 x 267 x 438 mm

• Notes
• Solid state stereo power amplifier.
  125 Watts per channel into 8 ohms.
  Only 20 units were made. It combined the audio circuit of the D-120 with the power supply of the D-110B, all dual mono.

• Net weight (2.2 lb = 1 kg)
• 46 kg / 101 lb 5.1 oz (101.322 lb)

• Price in first year of sale
• 3,950.00 $

• Mentioned in
• -- Schematic

• 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