• Year
  • 1925
  • Category
  • Radio part (not a module) 
  • Radiomuseum.org ID
  • 224025
    • alternative name: GenRad

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: AF Transformer 285 - General Radio Company;
  • Notes
  • AF Transformer 285. Ratio 1 to 6. Linear frequency range from 100 to 5000 cycles.

  • Price in first year of sale
  • 7.00 USD
  • Mentioned in
  • Radio Broadcast, Apr. 1925, p. 1127

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