9AC-4 Ch= 9A
Fairbanks, Morse & Co.; Chicago (IL)
- 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
- 192756
-
- alternative name: FMC
- Brand: Welco
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- 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) / 110 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: 9AC-4 Ch= 9A - Fairbanks, Morse & Co.;
- Shape
- Console with any shape - in general
- Dimensions (WHD)
- 26.25 x 41.5 x 12.875 inch / 667 x 1054 x 327 mm
- Notes
-
The Fairbanks Morse 9AC-4 is an AC operated, 9 tube BC and SW band receiver. Has dual drive high and low speed tuning using 100:1 and 20:1 ratio's with silent tuning between stations.
Band Frequency Ranges are as follows:
BC Band......................530 - 1700kHz
Police Band.................1.62 - 5.5MHz
SW Band.....................5.4 - 18.2MHzNOTE: 9A is the chassis number and NOT the model number.
NOTE: Production changes were made to the 9A chassis and are documented in the changes section of Riders volume 10, page 10-1.
The following models use the 9A chassis and schematic:
Model Number Chassis Cabinet 9AC-4 9A Console Model 9AC-5 9A Console Model
- Price in first year of sale
- 105.00 $
- External source of data
- Fairbanks Morse 1938 Catalog, Pre-War Consoles page 72
- Mentioned in
- Radio Retailing (Radio & Television R.) (June 1937 page 49. August 1937 page 36)
- Literature/Schematics (1)
- Rider's Perpetual, Volume 8 = 1937 and before (Fairbanks Morse section, pages 8-9, 8-10, 8-13. Also Riders Volume 10 Changes section page 10-1)
- Literature/Schematics (2)
- Gernsback Official Radio Service Manual (Volume 7, pages 1350, 1351, 1352)
- Literature/Schematics (3)
- Beitman Radio Diagrams, Vol. 01, 1926-1938 (Page 58)
- Literature/Schematics (4)
- Radio Today (and Television) (June 1937 pages 18, 117)
- 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)
Collections
The model 9AC-4 is part of the collections of the following members.