• Country
• United States of America (USA)

• Manufacturer / Brand
• Fairbanks, Morse & Co.; Chicago (IL)

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 192757

• • alternative name: FMC
  • Brand: Welco

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

• Number of Tubes
• 8

• Valves / Tubes
• 6K7G 6C5G 6L7G 6K7G 6G5 6Q7G 6V6G 5Y3G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / Either Transformer: 50-60 cycles, 110 or 25-60 cycles, 110-220 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: 8AC-3 Ch= 8A - Fairbanks, Morse & Co.;

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 25.25 x 40.5 x 12.25 inch / 641 x 1029 x 311 mm

• Notes

• The Fairbanks Morse 8AC-3 is an AC operated, 8 tube BC, Police and SW band receiver. Has 8.5" dial with a 31:1 tuning ratio.  Also has AVC and 2 stage audio circuit.

  Band Frequency Ranges are as follows:
  BC Band......................540 - 1720kHz
  Police Band.................1.66 - 5.5MHz
  SW Band....................5.4 - 18.2MHz

  NOTE: 8A is the chassis number and NOT the model number.

  NOTE: Production changes were made to the 8A chassis and are documented in the changes section of Riders volume 10, page 10-1.

  The following models use the same chassis:

  Model Number	Chassis	Cabinet
  8AT8	8A	Table Model
  8AC-2	8A	Console Model
  8AC-3	8A	Console Model

   

• Price in first year of sale
• 89.95 USD !

• Source of data
• A Blast from the Past

• Mentioned in
• Pre-War Consoles (Page 72)

• Literature/Schematics (1)
• Gernsback Official Radio Service Manual (Volume 7, pages 1347, 1348, 1349)

• Literature/Schematics (2)
• Rider's Perpetual, Volume 8 = 1937 and before (Pages 8-7, 8-8)

• Literature/Schematics (3)
• Rider's Perpetual, Volume 10 = 1939 and before (Changes Section, page 10-1)

• Literature/Schematics (4)
• Radio Today (and Television) (June 1937, page 117, January 1938, page 39, 47)

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 147 models, 87 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fairbanks, Morse & Co.; Chicago (IL)