• Year
  • 1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 36605

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • TRF without regeneration; Neutrodyne
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 100-125 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Showbox 706 - Crosley Radio Corp.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • The model "Showbox" was made as model 706 for AC and as model 705 for DC. We show here the original tube line up from that time, not the later one in the schematic or replacements. One dial (primary tuning control knob)
  • 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)

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Collections

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

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