• Country
• United States of America (USA)

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

• Year
• 1949 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49265

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

• Number of Tubes
• 8

• Valves / Tubes
• 6SG7 6SB7Y 6SG7 6SQ7 6SQ7 6K6GT 6K6GT 5Y3GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 115; 130; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 87T61BN Ch= HS-70 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Tablemodel, with any shape - general.

• Notes
• Frequency Ranges:
  BC band - 532 to 1620 kc
  SW1 - 3 to 9.1 mc
  SW2 - 8.8 to 10.6 mc
  SW3 - 10.5 to 13.9 mc
  SW4 - 13.8 to 16.6 mc
  SW5 - 16.5 to 22.5 mc
  

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 17 = 1948 and before

• Other Models

• Here you find 4596 models, 2962 with images and 4095 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)