• Country
• United States of America (USA)

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

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 152643

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

• Number of Tubes
• 14

• Valves / Tubes
• 6AB4 ECC81 6AU6 6BE6 EM84 6AU6 6AU6 6AL5 12AX7 12AX7 6AV6 EL84 EL84 EZ81

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

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

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Hi Fidelity 2521 - Bell Sound Systems; Columbus

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

• Dimensions (WHD)
• 16 x 4.5 x 11.5 inch / 406 x 114 x 292 mm

• Notes

• The Bell Sound Model 2521 is a mono AM-FM Receiver with AFC and Multiplex output.

• Net weight (2.2 lb = 1 kg)
• 22 lb (22 lb 0 oz) / 9.988 kg

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 8-59, Set 453, Folder 4)

• Author
• Model page created by Egon Penker. 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)