CR-5 (CR5) Early Exposed Tube

Grebe, A.H. & Co.; Richmond Hill (NY)

  • Year
  • 1921
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43515
    • Brand: Synchrophase

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

 Technical Specifications

  • Number of Tubes
  • 1
  • 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: CR-5 [Early Exposed Tube] - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 16 x 7 x 7 inch / 406 x 178 x 178 mm
  • Notes
  • First variation of the Grebe CR-5 with wooden variometer, exposed tube and no vernier tuning. The binding post caps on this model were anodized black brass. See also the newer model Grebe CR5 with a peephole instead of the exposed tube, which is a much cheaper collecting item than this CR-5.

  • Price in first year of sale
  • 80.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (2)
  • Radio News (April 1921, Radio News page 747)

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The model CR-5 (CR5) is part of the collections of the following members.

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