• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119108

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7GT 1N5GT 1H5GT 3Q5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

• Power out
• 0.05 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 41B12 - Motorola Inc. ex Galvin Mfg.Co

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

• Dimensions (WHD)
• 12.625 x 8 x 7.5 inch / 321 x 203 x 191 mm

• Notes

• Battery saver switch. Tuning Range: 540-1720 kc

• Source of data
• - - Manufacturers Literature

• Circuit diagram reference
• Rider's Perpetual, Volume 13 = 1942 and before

• Mentioned in
• Machine Age to Jet Age II (page 198.)

• Literature/Schematics (3)
• Motorola Booklet H-329, for 1942.

• Author
• Model page created by Robin Roeckers. See "Data change" for further contributors.

• Other Models

• Here you find 4646 models, 2969 with images and 4145 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)