8Q4 Ch= RC-337A

• Country
• United States of America (USA)

• Manufacturer / Brand
• RCA (RCA Victor Co. Inc.); New York (NY)

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 53846

• • alternative name: RCA Manufacturing || Victor Talking Machine

• Picture
• Schematics

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

• Number of Tubes
• 7

• Valves / Tubes
• 6K7 6L7 6J7 6K7 6U5 6Q7 6F6G

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

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• Power out
• 2.5 W (4.5 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 8Q4 Ch= RC-337A - RCA RCA Victor Co. Inc.; New

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 24.5 x 12.7 x 10.7 inch / 622 x 323 x 272 mm

• Notes

• Choice of 4 external power supplies for AC and DC:

  • PSU 8A: AC 105-125 V / 50-60 Hz
  • PSU 8B: AC 105-125 V / 25-60 Hz
  • PSU 8C: AC 105-250 V / 50-60 Hz
  • PSU 8E: DC 105-125; 210-250 V

   Dial lamps: 2 x *44 (6.3V/0.25A)

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Mentioned in
• Guide to Old Radios

• Literature/Schematics (1)
• Machine Age to Jet Age III (RCA Victor Service Notes for 1938)

• Literature/Schematics (2)
• Table Top Radios Vol. 1 Stein 98 (page 132.)

• Other Models

• Here you find 5131 models, 3234 with images and 4167 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RCA (RCA Victor Co. Inc.); New York (NY)