• Year
  • 1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 182659

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries / 135 & 2 or 6 & 4 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Radiola 275 - Amalgamated Wireless
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • This model could be powered from either batteries or a 6 volt accumulator via a synchronous vibrator unit. When powered from the latter, the valve filaments are connected across one cell of the accumulator and the 4 volt vibrator unit is connected across the other two.
  • Circuit diagram reference
  • Australian Official Radio Service Manual Vol. IV
  • Literature/Schematics (1)
  • Mingay's Radio Diagram & I.F. Index
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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