• Year
  • 1932
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 51133

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 260 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 70 Baby Grand [Late] - Philco, Philadelphia Stg. Batt
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Notes
  • Model 70 was available in a cathedral cabinet, a lowboy, and a highboy. The cathedral cabinet is the classic design used for models 21, 35, 46, 70, and 90. Both mahogany and walnut versions were available for the model 70 cathedral cabinet. The early and late versions used a different tube lineup. Model 70 is for 50-60 Hz power; model 70A is for 25-60 Hz power.
  • Price in first year of sale
  • 49.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (1)
  • Philco 1928-36 Wiring Diagrams, Parts Lists, and Essential Service Data

 Collections | Museums | Literature

Collections

The model 70 is part of the collections of the following members.

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