• Country
• Switzerland

• Manufacturer / Brand
• Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 232170

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

• Number of Tubes
• 0

• Valves / Tubes
• 6A7 78 75 6B5 6G5 80

• Main principle
• Superheterodyne (common); ZF/IF 142 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Bell Standard 538 [dark scale] - Bell Standard Telephon & Radio

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

• Dimensions (WHD)
• 610 x 370 x 280 mm / 24 x 14.6 x 11 inch

• Net weight (2.2 lb = 1 kg)
• 18 kg / 39 lb 10.4 oz (39.648 lb)

• Author
• Model page created by Piotr Jachymczyk. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 5 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.