Celeston Diana

Oy Helvar; Helsinki

  • Year
  • 1959
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 94274

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Number of Transistors
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 484/6750 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)     10 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 220 / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.25 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Celeston Diana - Oy Helvar; Helsinki
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Built-in 6 V to 90 V inverter. Uses two 6 V batteries connected parallel. Ferrite antenna for LW and MW. Telescope antenna for SW and FM. Sister model of Helvar Lucia.
  • Net weight (2.2 lb = 1 kg)
  • 3 kg / 6 lb 9.7 oz (6.608 lb)
  • Source of data
  • -- Schematic
  • Author
  • Model page created by Ake Nyholm. See "Data change" for further contributors.

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