• Year
  • 1930/1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37974
    • Brand: Ufonic

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF without regeneration; Screengrid 1926-1935
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 21 cm = 8.3 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: S-3 - Echophone Radio, Inc. - see
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Dimensions (WHD)
  • 360 x 420 x 170 mm / 14.2 x 16.5 x 6.7 inch
  • Notes
  • Reference for the date: "Los Angeles Radio Manufacturing" by Floyd A. Paul. (1988), page 13: shows that in Autumn 1930, Echophone moved at least the production from Hollywood to Illinois and for December show in a service manual from December 1930 the chassis of S-3, S-4, S-5 and F. The schematic diagram of S-3 has a date of 9-5-30.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

 Collections | Museums | Literature

Collections

The model S-3 (S-3 Rev.) is part of the collections of the following members.

 Forum

Forum contributions about this model: Echophone Radio, Inc: S-3

Threads: 1 | Posts: 1

Six pics of this model are of an Echophone Model C. Bottom 2 pics are of an Echophone S-3 which has a metal chassis in the bottom of radio.

Bill

Bill Warner, 09.Mar.18

Weitere Posts (1) zu diesem Thema.