• Year
  • 1922
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43516
    • Brand: Synchrophase

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: CR5 Vernier - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Two dials (primary tuning control knobs). See also the much more expensive earlier model CR-5 with a tube outside (exposed tube) instead of the peephole.

    The Rosen 1925 schematic suggests modifications that do improve the performance of the CR5. Danco repair kit 88001 for Brasscraft stops contain an o ring of the correct size to repair the vernier wheel.

  • Price in first year of sale
  • 80.00 $
  • External source of data
  • Ernst Erb
  • Literature/Schematics (1)
  • Radio Broadcast, November 1922, page 89

 Collections | Museums | Literature

Collections

The model CR5 is part of the collections of the following members.

Museums

The model CR5 can be seen in the following museums.

 Forum