78FM21 Ch= HS128

Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

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  • Year
  • 1948/1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 49237

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455/4300 kHz
  • Tuned circuits
  • 6 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 78FM21 Ch= HS128 - Motorola Inc. ex Galvin Mfg.Co
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 20 x 34.5 x 17 inch / 508 x 876 x 432 mm
  • Notes

  • Built in loop antenna for BC. Selenium rectifier. FM-BC tuning unit PT-19. In Walnut or Mahogany finish cabinet.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 20 covering 1950
  • Literature/Schematics (1)
  • Riders 20-70 to 20-84
  • Literature/Schematics (3)
  • Motorola Folder D1237 for 1949.

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