• Country
• United States of America (USA)

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

• Year
• 1949

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 128922

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

• Number of Tubes
• 6

• Valves / Tubes
• 6SC7 6SC7 6SL7GT 6V6GT 6V6GT 5Y3GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 10 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: High Fidelity Amplifier 2122 - Bell Sound Systems; Columbus

• Shape
• Tablemodel, with any shape - general.

• Notes
• The Bell High Fidelity Amplifier 2122 is an AC operated 4 channel audio amplifier for 10-Watt output. The 4 channels are for radio, crystal pickup and two magnetic pickups. The two magnetic pickup inputs incorporate built in pre-amplification and individual bass equalization. Mag 1 is used for magnetic-induction types and Mag 2 for variable reluctance type. The output impedances on the screw type terminals are 3.4-4 Ohm, 6-8 ohm and 15-18 Ohm. See also the follower, model 2122-C.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-49, set 77, folder 3)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 114 models, 110 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)