• Country
• United States of America (USA)

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

• Year
• 1957 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 328799

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

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

• Number of Transistors
• 6

• Semiconductors
• 2N109 2N109 2N109 2N109 2N109 unknown_tr_NPN

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Direct Current supply (DC) / 32 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: 20 dB Preamplifier - RCA RCA Victor Co. Inc.; New

• Notes

• Low frequency preamplifier.

• Mentioned in
• -- Schematic (Semiconduttori Transistori Diodi al Germanio, Dott. Ing. Riccardo Baroni - Hoeply – 1957 - Italy)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 5134 models, 3237 with images and 4171 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)