• Year
  • 1947/1948
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57582

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / 110 - 120 / 4.5, & 67.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 316 PM - Sentinel Radio Corp., Evanston
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Line = AC or DC, Battery's 67.5V =+B plus 4.5V = A (filament). Ad in the "Saturday Evening Post, Mai 1, 1948. The models are 316 PM, 286 PR, 296 M, probably 314-I plus yet unknown model with 4 knobs, probably the model 294 T.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 19 = 1949 and before

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