• Country
• United States of America (USA)

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 48690

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

• Number of Tubes
• 12

• Valves / Tubes
• 6K7G 6A8G 6J5G 6B8G 6U5 6J7G 6K7G 6R7G 6H6G 6J5G 6V6G 5X4G

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 12Y-1 Ch= 12-1 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 28.5 x 42.5 x 14.75 inch / 724 x 1080 x 375 mm

• Notes

• Band Coverage: American Programs 540-1720 kc Police + Aircraft 2200-7000 kc Foreign Programs 7000-22,000 kc. Electrical tuning unit.

• Price in first year of sale
• 169.95 $

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (June 1937.)

• Literature/Schematics (3)
• Motorola Folder for 1938.

• 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)