• Country
• United States of America (USA)

• Manufacturer / Brand
• Bell Sound Systems; Columbus (OH)

• Year
• 1965 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 350921

• Number of Tubes
• 8

• Valves / Tubes
• 12AX7 12AX7 12AX7 12AX7 12AX7 6L6GC 6L6GC 5AR4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Radio Control (+Remote Wire etc)

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

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

• Power out
• 40 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplifier Mark 40 - Bell Sound Systems; Columbus

• Shape
• Tablemodel, low profile (big size).

• Notes

• PA amplifier with 'Page' mode; inputs: 3x Mic + Aux + Phono.

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

• Other Models

• Here you find 115 models, 111 with images and 70 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Sound Systems; Columbus (OH)