Amplifiers R.F. No.2 Mk II Z.A. 10656

MILITARY U.K. (different makers for same model)

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  • Year
  • 1945 ??
  • Category
  • RF (Radio Frequency-) Amplifier
  • Radiomuseum.org ID
  • 222502

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Radio Frequency Amplification only
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Amplifiers R.F. No.2 Mk II Z.A. 10656 - MILITARY U.K. different makers
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 17.5 x 8.5 x 12.5 inch / 445 x 216 x 318 mm
  • Notes
  • Amplifiers R.F. No.2 Mk II: High power RF amplifier matching the Wireless Set. No. 19, the complete setup is then referred as Wireless Set. No.19 HP (High Power)
    Frequency coverage 2 - 4,5 / 4,5 - 8 MHz, RF output power A3 10 - 14 W, A1 (CW) 25 - 30 W.
    Powered by internal rotary converter delivering 600 V 240 mA from 12 V vehicle battery, power consumption in transmit mode 24 A, standby 2,5 A.
    In standard configuration as Wireless Set. No. 19 HP, a Wireless No. 19 set ist used with the Amplifier R.F., an Aerial Tuning Inductance No. 1 (instead of Aerial Variometer), and a vertical aerial at least 12 ft.
    The Amplifiers R.F. exists in several variants:
    Amplifiers R.F. No.2 Mk I: 1942/3
    Amplifiers R.F. No.2 Mk II: 194?
    Amplifiers R.F. No.2 Mk III: around 1950 , only two ATS 25 valves.
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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