• Year
  • 1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 162829

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: L3Z73T - Philips Electrical Industries
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 10.25 x 6.875 x 3.125 inch / 260 x 175 x 79 mm
  • Notes
  • Philips L3Z73T;
    Made in New Zealand by Philips Electrical Industries.
    See also the European model Evette L3X71T.

    Transistor-Ace Power Miser 

    • More economical to run than a mains set. Over 500 hours playing from one 6-volt dry battery. Costs less than ¼d an hour to run
    • 4 push buttons for off switch, hi-lo position tone control gram and radio
    • 7 matched transistors plus 1 germanium diode for crystal clear reception and powerful performance. 
    • Big 6 in. hi-efficiency elliptical speaker. Finger-spin volume and tuning controls built in flush with cabinet surface.
    • Built-in directional twin coil ferrite rod aerial.
    • Operates anywhere entirely independent of mains.
    • Light and easy to carry--Weighs only 5 lb complete. Dimensions 10¼ x 6⅞ x 3⅜"
    • Finished in stylish, washable, pigskin leatherette hand-stitched case, with new ivory and gold trim. 

    The first release of the Transistor Ace had a gram input and associated switch. This was replaced by a local/distant reception switch in later models.

  • Net weight (2.2 lb = 1 kg)
  • 5 lb 0 oz (5 lb) / 2.270 kg
  • Price in first year of sale
  • 35.00 NZ Guineas
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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