• Country
• United States of America (USA)

• Manufacturer / Brand
• Audio Research, Plymouth

• Year
• 1989

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 148449

• Number of Tubes
• 1

• Valves / Tubes
• 6922

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 100-135; 200-270 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: LS1 - Audio Research, Plymouth

• Shape
• Rack

• Dimensions (WHD)
• 480 x 134 x 260 mm / 18.9 x 5.3 x 10.2 inch

• Notes
• Hybrid tube/FET stereo line stage.
  Rated outputs: 2V RMS 5Hz to 50Hz, all outputs, 60K ohm load (main output capability is 50V RMS output at 1/2% THD at 1kHz into a 100K ohm load with 5V RMS input).
  Cabinet: Finish in Silver or Black.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• 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, 16 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Audio Research, Plymouth