283SB Ch= 83SB

Raycophone Ltd., Sydney

  • Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 169326

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 180 & 22.5 & 2 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 283SB Ch= 83SB - Raycophone Ltd., Sydney
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • The 3rd type 34 valve is connected as a diode detector and triode amplifier. The two last type 30 valves are used in push pull class B.
  • Price in first year of sale
  • 46.00 Aus£
  • Mentioned in
  • The Radio Retailer of Australia, March, 1933 P42.
  • 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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