537W

• Country
• Switzerland

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11441

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 78 75 6B5 80

• Main principle
• Superheterodyne (common); ZF/IF 145 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 115; 125; 135; 150; 220; 250 & 0,9 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 22 cm = 8.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 537W - Bell Standard Telephon & Radio

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

• Dimensions (WHD)
• 610 x 380 x 290 mm / 24 x 15 x 11.4 inch

• Notes
• alle=Mallory-Zelle! Feldstärkeanzeige.

• Net weight (2.2 lb = 1 kg)
• 16.7 kg / 36 lb 12.5 oz (36.784 lb)

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• 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.