Receiver AR8510

Radiomarine Corporation of America, New York

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  • Year
  • 1945 ??
  • Category
  • Military Receiver
  • Radiomuseum.org ID
  • 340569
    • alternative name: RMCA

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Special principle (see notes)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Other, details in remarks or not known.
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Receiver AR8510 - Radiomarine Corporation of
  • Notes

  • Receiver for VLF, LF  and MF waves, from 15 kHz to 650 kHz in four bands:
    1) 15 - 38 kHz.
    2) 38 - 100 kHz.
    3) 100 - 250 kHz.
    4) 250 - 650 kHz.

    The first and the second 6SK7 are two stages RF amplifiers. The third 6SK7 is a regenerative detector. The fourth 6SK7 is the audio preamplifier and the 6V6 is the final audio amplifier.
    Two jacks for headphones and a switch for the internal loudspeaker. Phones and speaker can be listened simultaneously. Internal speaker works on 4 Ω impedance; but for other uses, also provided are 8 and 15 Ω on the same winding and 250 - 500 Ω on another winding. 

    This receiver works with 6.3 AC V for heating the tubes, and 90 V DC as plate voltage.

    From an article by Umberto Bianchi, on the Italian magazine  "CQ Elettronica".

  • Mentioned in
  • CQ Elettronica, CD editor, number 11/119, November 1976.
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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