• 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
• 202384

• • alternative name: FMC
  • Brand: Welco

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A8G 6K7G 6Q7G 6F6G 6G5 5Y3

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 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 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6AC-7 Ch= 6A [Chairside] - Fairbanks, Morse & Co.;

• Shape
• Console: Chairside Radio.

• Dimensions (WHD)
• 15.75 x 22 x 26 inch / 400 x 559 x 660 mm

• Notes

• The Fairbanks Morse 6AC-7 is an AC operated, 6 tube BC, Police and SW band receiver. Has 5.5" dial with a 16:1 tuning ratio.  Also has AVC and 2 stage audio circuit.

  Band Frequency Ranges are as follows:
  BC Band......................540 - 1730kHz
  Police Band.................1.7 - 5.7MHz
  SW Band....................5.6 - 18.3MHz

  Ad in Radio Retailing: Smartly modern cabinet with top of striped walnut; striped walnut side panels are set off by parallel strips of dark stain at top and bottom speaker grille at one end has graceful perpendicular spindles; "Great Circle" dial; tuning eye.

  The 6A chassis is similar to chassis 5C except 5C has no eye tube.

  The following models use the 5C and 6A chassis and schematic:

  Model Number	Chassis	Tuning Eye Tube	Cabinet
  5CT3	5C	No	Table Model
  6AT4	6A	Yes	Table Model
  6AC-1	6A	Yes	Console Model
  6AC-7	6A	Yes	Chairside Model

   

• Price in first year of sale
• 69.95 USD !

• Source of data
• Radio Retailing (Radio & Television R.)

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Mentioned in
• Collector's Guide to Antique Radios (7th Edition)

• Literature/Schematics (1)
• Gernsback Official Radio Service Manual (Volume 7, pages 1201, 1202)

• Literature/Schematics (2)
• Rider's Perpetual, Volume 8 = 1937 and before (Pages 8-1, 8-2)

• Literature/Schematics (3)
• Radio News (October 1937, page 62)

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

• Author
• Model page created by Heiko zur Mühlen. 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)