• Country
• Great Britain (UK)

• Manufacturer / Brand
• MILITARY U.K. (different makers for same model)

• Year
• 1938

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 120860

• Number of Tubes
• 5

• Valves / Tubes
• NR51 NR51 NR51 NR52 NR52

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Powered by external power supply or a main unit. / 4 / 200 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplifier M50 - MILITARY U.K. different makers

• Shape
• Rack

• Notes
• Used in conjunction with tuner A50, this set will act as a VLF - MF receiver covering 15 - 600 kHz in five bands.
  The M50 will amplify the HF from the A50 tuner by two RF amplifier stages, detection and one AF amplifier stage. There is a heterodyne oscillator that allows copying of CW/A1 signals
  The A50/M50 combination (designation "receiver outfit CAA")is also used as VLF-MF receiver in "Receiver Outfit CAB and CAC".
  The matching Power Supply is the 1204B.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 146 models, 114 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.K. (different makers for same model)