• Year
  • 1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 211060

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 470/10700 kHz; 3 AF stage(s); Reflex
  • Tuned circuits
  • 8 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast, 2 Short Wave plus FM or UHF.
  • Power type and voltage
  • Dry Batteries / 90 & 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Commander - Berec Radio, London
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 381 x 311 x 152 mm / 15 x 12.2 x 6 inch
  • Notes
  • Visual Tuning Indicator (DM70). Push Pull Audio. Rexine style fabric covered plywood case. Price and date is for the Sky Emperor.

    Battery Type Ever Ready Batrymax type B103 combined 1,5/90V.

    The Ever Ready Sky Emperor is the identical Domestic version of this Export model only varying slightly in colour scheme and badge.

    Four waveband AM/FM

    • VHF-FM: 87.5 ... 100 MHz
    • SW1: 5.8 ... 16.5 MHz
    • SW2: 1.6 ... 4.7 MHz (US extended AM, Europe Marine)
    • MW: 530 ... 1602 KHz

    There is no Longwave. Ferrite rod for MW and Telescopic aerial for SW/VHF.

    There was an optional mains Adaptor from Ever Ready (the only post WWII with such a feature, only BEREC Fiesta from Ever Ready post WWII to end of UK production had battery and mains).

    The Economy switch disconnects 1/2 the DL96 filaments and changes DL96 Bias. The Gram switch disconnects all radio valve filaments.

    The 1st FM IF is also "on" on AM, as it is reflexed as audio phase inverter for Push Pull 2 x DL96.

    Elliptical speaker approximately 7" x 4"

    Sockets

    • Car aerial (on side, all others are on Chassis)
    • Gramophone (P.U.)
    • External speaker
    • Earth
    • Shortwave aerial
    • Telescopic aerials use 2 pin plug.
  • Net weight (2.2 lb = 1 kg)
  • 8 kg / 17 lb 9.9 oz (17.621 lb)
  • Price in first year of sale
  • 25.00 GBP
  • Author
  • Model page created by Robert Darwent. See "Data change" for further contributors.

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