• Anno
  • 1924 ?
  • Categoria
  • Radio a galena (a cristallo o a diodo, senza valvole o transistores)
  • Radiomuseum.org ID
  • 76938

 Specifiche tecniche

  • Principio generale
  • Rivelazione a galena / semi-conducteur
  • Tensioni di funzionamento
  • Alimentazione non richiesta
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Radiomuseum.org
  • Modello: Echo No.1 - Eagle Electrical Manufacturing
  • Annotazioni
  • No. 1 "Echo" Crystal Set

    A thoroughly reliable receiver with variometer tuning and provision for 5XX and Paris, with dustproof detector, ebonite detector ends, and easy fix crystal cups, in mahogany cabinet, all parts nickel-plated, handsome appearance. Price 17/6.

    With condenser tuning, most efficient for 5XX. Price 25/1

    LF Amplifier to match. Price 25/-.

    Foth adjustable headphones, the best value, 12/6.

  • Letteratura / Schemi (1)
  • -- Original prospect or advert (Popular Wireless & Wireless Review, Dec 13, 1924, Page 938)

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