527B Rhythm Senior (E-527B)

Arvin, brand of Noblitt-Sparks Industries

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  • Year
  • 1936/1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33040

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 527B Rhythm Senior - Arvin, brand of Noblitt-Sparks
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 19.75 x 35 x 9.875 inch / 502 x 889 x 251 mm
  • Notes
  • Home battery radio, drain 2.7 Amperes. Synchronous Mallory Vibrator for +B. The Arvin model 527B Rhythm Senior with 6 3/16 inch dial from Noblitt-Sparks covers 545 - 171 meters (550 - 1750 kc = incl 1600 to 1700 police bands) and 16.65 - 52.6 meters (5.7 - 18 mc). One permanent magnetic dynamic speaker 8 inch. 2-gang condenser, 2-point tone control. Cabinet in rich-grained walnut in combinations with pencil-striped mahogany and satin wood.

    Rider's shows that the chassis has been published 1936 (or before). The Belknap Hardware & Manufacturing Co. Catalog of 1937 features this model as E-527B Rhythm Senior and sets a price of $ 109.89 - battery seems not to be included. Pages 1053 to 1056 show a whole model family for "Rhythm". The family is in that catalog shown with a prefix E- whereas schematics and other ads show the models without this prefix. The "E" could refer to this catalog only since also a storage battery U17 ($ 22.05) or U175D ($ 28.05) is here called E-U17 and E-U175D. But we have to add the prefix so that users do find if they put it in.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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