• Year
  • 1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37966
    • Brand: Ufonic

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / "C" 1 x 3 volts & "A" 3 x 1.5 & "B" 3 x 22.5 Volt Volt
  • Loudspeaker
  • Horn
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Echophone Portable V-3 Chassis - Echophone Radio, Inc. - see
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9 x 12.5 x 18 inch / 229 x 318 x 457 mm
  • Notes
  • Two dials (primary tuning control knobs)

    Aerial on Reel in Case. The Echophone Portable used the same chassis as the Echophone Model V-3.

  • Net weight (2.2 lb = 1 kg)
  • 32 lb (32 lb 0 oz) / 14.528 kg
  • Price in first year of sale
  • 75.00 $
  • External source of data
  • Ernst Erb
  • Mentioned in
  • Radio News (March 1925, Radio News magazine advertisement on page 1741)
  • Literature/Schematics (2)
  • September 1925, Electrical Record Supplement magazine page 36

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