• Country
• United States of America (USA)

• Manufacturer / Brand
• McIntosh Audio Company; Binghamton, NY

• Year
• 1951 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 230174

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

• Number of Tubes
• 6

• Valves / Tubes
• 12AX7 6J5 6J5 6V6G 6V6G 5Y3G

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

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

• Power out
• 20 W (40 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplifier 20W-2 - McIntosh Audio Company;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 8.125 x 6.75 x 5.25 inch / 206 x 171 x 133 mm

• Net weight (2.2 lb = 1 kg)
• 27 lb (27 lb 0 oz) / 12.258 kg

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 87 models, 82 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McIntosh Audio Company; Binghamton, NY