Sparton 45 Visionola

Sparks-Withington Co., (Sparton); Jackson, Michigan

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  • Année
  • 1931
perfect model
  • Catégorie
  • Radio - ou tuner d'après la guerre 1939-45
  • Radiomuseum.org ID
  • 58629

Cliquez sur la vignette du schéma pour le demander en tant que document gratuit.

 Spécifications techniques

  • No. de tubes
  • 10
  • Principe général
  • Super hétérodyne avec étage HF; FI/IF 172.5 kHz; 1 Etage(s) BF
  • Circuits accordés
  • 10 Circuits MA (AM)
  • Gammes d'ondes
  • PO uniquement
  • Particularités
  • Tourne disque / changeur (châssis); Radio avec autres fonctions
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 100-130 Volt
  • Haut-parleur
  • HP dynamique à électro-aimant (électrodynamique)
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: Sparton 45 Visionola - Sparks-Withington Co., Sparton
  • Forme
  • Console avec pieds hauts > 50% de la hauteur
  • Dimensions (LHP)
  • 32.75 x 51.5 x 24.75 inch / 832 x 1308 x 629 mm
  • Remarques

  • Early "Home Talking Movies" set (Movie, Radio Phonograph Combination) Visionola, introduced by Visionola Mfg. Corp., 60 East 42nd Street, New York, sold by Sparton (Sparks-Withington Co.). In February 1931 the model was featured by "Radio News". This was similar to Visivox from Sprague. Push-pull audio amplifier. Details can be read in "Radio News", February 1931 under "Radio points the way to Home Talking Movies". Similar is the Sprague Visavox. From each, only a few are left. See pictures at agassiztrading.com.
    Actually the system was developed in 1930 by using the new tube UY235, together with the 551 the first variable-mu tube. One has to know that tube manufacturers sent out new tubes for designing new circuits many months before the actual release, which was here June 1931 for the UY235. Therefore the model could not be on the market before, but advertised yes  ...
    A Canadian folder (in green) shows the following models together: 15, 24, 26, 30, 35, 40, 6, 9A, 10 and the Sparton Visionola.

  • Poids net
  • 298 lb 0 oz (298 lb) / 135.292 kg
  • Prix de mise sur le marché
  • 575.00 $
  • Source extérieure
  • Ernst Erb
  • Source du schéma
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
  • Littérature
  • Rider's 2-32, 2-33

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