Marconiphone V1

• Paese
• Gran Bretagna (Regno Unito)

• Produttore / Marca
• Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

• Anno
• 1925

• Categoria
• Radio (o sintonizzatore del dopoguerra WW2)

• Radiomuseum.org ID
• 76491

• Immagini
• Schemi

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• Numero di tubi
• 1

• Valvole
• DER

• Principio generale
• A reazione (con rigenerazione)

• N. di circuiti accordati
• 1 Circuiti Mod. Amp. (AM)

• Gamme d'onda
• Solo onde medie (OM).

• Tensioni di funzionamento
• Batterie (di accumulatori e/o a secco) / 2, 42 Volt

• Altoparlante
• - Per cuffie o amplificatori esterni

• Materiali
• Mobile in legno

• Radiomuseum.org
• Modello: Marconiphone V1 - Marconi Co. Marconiphone,

• Forma
• Soprammobile a cassapanca o cassetta, solitamente con coperchio (NON a leggio)

• Dimensioni (LxAxP)
• 220 x 190 x 160 mm / 8.7 x 7.5 x 6.3 inch

• Annotazioni

• Marconiphone Type V.1 (B.101), c.1924–1925
  One‑valve TRF receiver with regeneration, housed in a polished mahogany cabinet with a vertical ebonite front panel. Uses a single D.E.R. dull‑emitter triode and employs a patent variable‑resistance reaction control that allows adjustment without re‑tuning.
  Covers wavelengths from 300 to 3,000 metres by means of interchangeable range blocks, with the standard block supplied for the most commonly used broadcast wavelengths.
  Powered by a 2‑volt accumulator and 42‑volt HT battery, and intended for use with high‑impedance headphones.
  Dimensions approximately 8½ × 7½ × 6½ inches. Listed in the 1925 Marconiphone catalogue as Type V.1 (B.101), with a complete outfit available as B.102.

  Pricing (as advertised in 1925 Catogue)

  • B.101 – V.1 receiver with aerial/earth lead + standard range block: £5 3s 0d, Royalty: £0 12s 6d
  • B.102 – Complete outfit including valve, batteries, headphones, and royalty: £9 7s 8d

  Accessory prices (as advertised in 1925 Catogue):

  • D.E.R. valve (B.404): £0 14s 0d
  • 42‑V HT battery (B.501): £0 14s 0d
  • 2‑V 40‑Ah accumulator (B.521): £1 2s 6d
  • 4,000‑ohm headphones (R.1255): £1 1s 8d

• Peso netto
• 2.1 kg / 4 lb 10 oz (4.626 lb)

• Fonte esterna dei dati
• Brown Bros. Catalog 1925

• Bibliografia
• Wireless World (The), London (WW, 79) (1926 February Guide.)

• Letteratura / Schemi (1)
• - - Manufacturers Literature (Marconiphone Receiving Instruments, Amplifiers, Components and Accessories Catalogue (1925))

• Autore
• Modello inviato da Konrad Birkner † 12.08.2014. Utilizzare "Proponi modifica" per inviare ulteriori dati.

• Altri modelli

• In questo link sono elencati 510 modelli, di cui 349 con immagini e 322 con schemi.
  Elenco delle radio e altri apparecchi della Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)