• Year
  • 1951–1961
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 112981

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

 Technical Specifications

  • Number of Tubes
  • 14
  • Main principle
  • Superhet with RF-stage; ZF/IF 450 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 110, 200, 230 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 680X - Eddystone Brand, Stratton and
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 426 x 222 x 381 mm / 16.8 x 8.7 x 15 inch
  • Notes
  • Communications receiver covering 480 kHz - 30,5 MHz in five bands (480-1120 kHz, 1,11-2,5 MHz, 2,5-5,7 MHz, 5,3-12,5 MHz, 12,3 - 30,5 MHz), AM, CW (BFO).
    S-Meter tuning indicator, Noise limiter, Crystal filter.
    Successor of 680 featuring a broad linear analog dial, the crystal filter is included in 680 as in 680X models, in this case, the X-suffix does not stand for crystal filter.
    Alternative tube layouts: 6BR7 can be substituted by 8D5, 8D3 instead of 6AM6, EL91 or 7D9 instead of 6AM5.
    Matching 812 mounting feet, 811 diecast speaker, 688 black speaker.
  • Net weight (2.2 lb = 1 kg)
  • 21.3 kg / 46 lb 14.7 oz (46.916 lb)
  • Price in first year of sale
  • 106.00 GBP
  • Mentioned in
  • Eddystone User Group: Quick Reference Guide
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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