• Country
• United States of America (USA)

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

• Year
• 1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71803

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

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

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 7-BT-10K Ch= RC-1156 - RCA RCA Victor Co. Inc.; New

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 6.5 x 10 x 3.75 inch / 165 x 254 x 95 mm

• Notes
• The model 7-BT-10K with chassis RC-1156 is RCA's second transistor radio after the 7-BT-9J. Transistors: 235, 2 of 234 (IF) and 4 of 2N109 (AF and push-pull output) plus diode 1N295.
  4" x 6" PM elliptical speaker.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 16, 1956

• Mentioned in
• The Collector's Guide To Antique Radios 2. Edition

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-56, Set 329, Folder 10)

• Literature/Schematics (2)
• Antique Radio Magazine - Italy, Club Antique Radio Magazine (n.149 (maggio-giugno 2019) pag.42-47)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 5142 models, 3248 with images and 4180 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)