• Country
• United States of America (USA)

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

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 54425

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

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

• Number of Tubes
• 6

• Valves / Tubes
• 6SA7 6SK7 6SQ7 6AD7G 6F6G 5Y3GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 105-125; 210-250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Q121 Ch= RC-507U - RCA RCA Victor Co. Inc.; New

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

• Dimensions (WHD)
• 16.3 x 10.8 x 7.6 inch / 414 x 274 x 193 mm

• Notes
• Wave bands: BC, Police, 3xSW.
  A similar model exists with the same model number but uses chassis RC-507 and uses an Electrodynamic Speaker in place of the PM speaker.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• External source of data
• Ernst Erb

• Source of data
• Antique Radios, Johnson 1986

• Circuit diagram reference
• Rider's Perpetual, Volume 16 = ca. 1948 and before

• Literature/Schematics (1)
• RCA Victor Service Notes "Red Book" Series

• 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)