Transistor 9 Super Sensitive TR-911

• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1962/1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133937

• Picture
• Schematics

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

• Number of Transistors
• 9

• Semiconductors
• 2SA70 2SA70 2SA70 2SC76 2SC76 2SD64 2SD65 2SB52 2SB52

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / 4 x 1,5 Volt

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

• Material
• Various materials

• from Radiomuseum.org
• Model: Transistor 9 Super Sensitive TR-911 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 260 x 215 x 100 mm / 10.2 x 8.5 x 3.9 inch

• Notes

• Sony TR-911, Transistor 9 Super Sensitive was launched in November 1962, 21,000 sets were made at that time. This Sony TR-911 Radio appears in the Film: "Good Morning Vietnam" from 1988. The Soldiers used this radio to listen to the voice of Adrian Cronauer, played by Robin Williams.
  Wave bands: BC (MW) 535 to 1605 KC, SW1: 3 - 9 MHz, SW2: 9 - 24 MHz. It has a tuning meter. Production changes after serial number 87,000. There is also a full page ad in the "Time" magazine of September 20, 1963 for this SONY TR-911.

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Radio And Television Servicing books (R&TVS)

• Literature/Schematics (2)
• -- Original prospect or advert (National Geographic, 1962 November together with TR817 and Micro-TV with pictures.)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3913 models, 3773 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo