• Year
  • 1936/1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 50554

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

 Technical Specifications

  • Number of Tubes
  • 20
  • Main principle
  • Superhet with RF-stage; ZF/IF 470 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • 7 or more Loudspeakers
  • Power out
  • 15 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 37-690X - Philco, Philadelphia Stg. Batt
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Dimensions (WHD)
  • 28.75 x 43.25 x 17.75 inch / 730 x 1099 x 451 mm
  • Notes
  • Model 37-690X was Philco's top-of-the-line radio for the 1937 model year, with two chassis, five bands from 530kHz to 18MHz, console style cabinet with doors, one woofer, two tweeters and four "Acoustic Clarifiers" (passive radiators to eliminate cabinet resonance), automatic tuning system with automatic frequency control named "Magnetic Tuning," and variable IF bandwidth to trade off selectivity vs. fidelity. The audio amplifier has separate signal paths for bass and treble.

  • Price in first year of sale
  • 375.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before
  • Literature/Schematics (3)
  • Philco Folder No. PR-430 for 1937.

 Collections | Museums | Literature

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The model 37-690X is part of the collections of the following members.

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