• Country
• United States of America (USA)

• Manufacturer / Brand
• Technical Radio Corporation; San Francisco

• Year
• 1943

• Category
• Commercial Transmitter & Receiver (TRX not Amateur)

• Radiomuseum.org ID
• 303736

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

• Number of Tubes
• 16

• Valves / Tubes
• 6SK7GT 6SA7GT 6J5GT 6SK7GT 6SK7GT 6J5GT 6SQ7GT 6K6GT VR105 6SK7GT 6J5GT 807 807 807 807 6V6GT HY1231Z

• Main principle
• ZF/IF 455 kHz; 1 AF stage(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Powered by external power supply or a main unit. / 12 Volt

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

• Power out
• 1 W (1.2 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: TR-50XM - Technical Radio Corporation;

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 20 x 22 x 14.5 inch / 508 x 559 x 368 mm

• Notes

• Transmitter tubes:
  6SK7GT Master oscillator
  6J5GT Crystal oscillator
  807 (2) Buffer-doubler stages
  807 (2) Final amplifier
  6V6GT Speech amplifier
  HY1231Z Modulator

  Receiver tubes:
  6SK7GT RF amplifier
  6SA7GT Mixer
  6J5GT High-frequency oscillator
  6SK7GT 1st IF amplifier
  6SK7GT 2nd IF amplifier
  6SQ7GT Diode detector and 1st Audio amplifier
  6K6GT Audio amplifier
  6J5GT BFO
  VR105 Voltage regulator

  Receiver ranges: 1.5MHz to 4.35 MHz and 4.35MHz to 12MHz
  Transmitter ranges: 1.5MHz to 3MHz and 3MHz to 6MHz and 6MHz to 12MHz
  Dynamotor power unit for 12V DC operation. Maximum power requirements:
  Transmitter 480 Watts
  Receiver 54 Watts

• Net weight (2.2 lb = 1 kg)
• 119 lb (119 lb 0 oz) / 54.026 kg

• Mentioned in
• - - Manufacturers Literature

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Bruce Taylor. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Technical Radio Corporation; San Francisco