• Country
• United States of America (USA)

• Manufacturer / Brand
• Gibson Manufacturing Co., Kalamazoo (MI)

• Year
• 1955–1959

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 184375

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

• Number of Tubes
• 7

• Valves / Tubes
• 5879 5879 6SQ7 12AX7 6V6 6V6 5Y3

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm

• Power out
• 14 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: GA40 Les Paul [ab 1955] - Gibson Manufacturing Co.,

• Dimensions (WHD)
• 650 x 460 x 210 mm / 25.6 x 18.1 x 8.3 inch

• Net weight (2.2 lb = 1 kg)
• 14 kg / 30 lb 13.4 oz (30.837 lb)

• Author
• Model page created by Hannes Gerber. See "Data change" for further contributors.

• Other Models

• Here you find 25 models, 21 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gibson Manufacturing Co., Kalamazoo (MI)