627B Rhythm Master (E-627B)

Arvin, brand of Noblitt-Sparks Industries

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  • Year
  • 1936–1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33091

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 456 kHz
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • 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 10 inch = 25.4 cm
  • Power out
  • 2 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 627B Rhythm Master - Arvin, brand of Noblitt-Sparks
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 22.8 x 38 x 12.75 inch / 579 x 965 x 324 mm
  • Notes
  • Vibrator for +B. Home Radio Console. The Arvin model 627B Rhythm Master with 7 3/16 inch dial from Noblitt-Sparks covers 560 - 171 meters (535 - 1750 kc), 176 - 52.2 meters (1700 - 5750 kc) and 54.5 - 16.65 meters (5.5 - 18 mc). One permanent magnet dynamic speaker 10 inch. 3-gang condenser, continuous 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-627B Rhythm Master and sets a price of $ 152.10 incl. storage battery. Current drain of the E-627B is 2.9 Amperes. 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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