• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33001

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
  • AC/DC-set / 105-125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Power out
  • 0.8 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 444AM Ch= RE200M - Arvin, brand of Noblitt-Sparks
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • According to the Photofact Arvin supplement date September 1947, set 23, folder 4713-3, the two models 444M and 444AM have the tubes 12BE6 12AT6 50B5 35W4 instead of the earlier versions 444 and 444A12SA7 12SQ7 50L6GT 35Z5GT (set 1 no. 461-3).

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 17 = 1948 and before

 Collections | Museums | Literature

Collections

The model 444AM is part of the collections of the following members.

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