• Country
• United States of America (USA)

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

• Year
• 1952

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 219376

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

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

• Number of Tubes
• 1

• Valves / Tubes
• 6AF4

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Powered by external power supply or a main unit. / 6.3 & 70-370 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: U1B Ch= KRK19A - RCA RCA Victor Co. Inc.; New

• Shape
• Chassis only or for «building in»

• Notes
• The RCA U1B is a UHF Television tuner that allows reception of a single US standard UHF channel 14 thru 83. Uses chassis KRK19A. Output is US standard VHF channel 5 or 6. Filament (6.3VDC) and plate (70-370VDC) power is obtained from the telavision receiver chassis to which it is attached.

• Literature/Schematics (1)
• RCA Victor Service Notes "Red Book" Series (Volume VIII 1952, Page 285)

• Author
• Model page created by John Kusching. See "Data change" for further contributors.

• Other Models

• Here you find 5132 models, 3235 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)