48-1050 codes 121 and 125

Philco, Philadelphia Stg. Batt. Co.; USA

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  • Année
  • 1947
  • Catégorie
  • Récepteur de télévision ou moniteur
  • Radiomuseum.org ID
  • 170460

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

 Spécifications techniques

  • No. de tubes
  • 26
  • Principe général
  • Super hétérodyne (en général); FI/IF 26600/22100 kHz
  • Gammes d'ondes
  • Bandes en notes
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 110-120 Volt
  • Haut-parleur
  • HP dynamique à aimant permanent + bobine mobile / Ø 6 inch = 15.2 cm
  • Puissance de sortie
  • 2.5 W (qualité inconnue)
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: 48-1050 codes 121 and 125 - Philco, Philadelphia Stg. Batt
  • Forme
  • Console de forme générique
  • Remarques
  • The Philco model 48-1000 television was introduced in 1947. It has an 8-channel turret tuner with plug-in coils, so that any 8 of the available channels 1-13 could be selected. A unique design feature is a dual 300 ohm antenna input, intended for separate antennas for the VHF low and VHF high bands.

    Three chassis codes were used in the following chronological order: code 121, code 125, and code 122. Codes 121 and 125 are similar, both having 26 tubes. In code 122, the 1N34 crystal diode DC restorer was replaced with a 6AT6 tube, bringing the tube count to 27.

    Philco had other TV models with similar chassis. Model 48-1050 was a console version of the 48-1000, with the same three available chassis codes. Model 48-1001 is a table model electrically identical to 48-1000 code 122, but has a simpler cabinet style. Models 48-1000-5, 48-1050-5, and 48-1001-5 have power supplies designed for 50 Hz AC supply, but are otherwise identical to the models without the -5 suffix. Model 48-2500 is a large console projection set with a chassis based on the 48-1000 design, but with several significant changes to support the projection CRT system.
  • Prix de mise sur le marché
  • 450.00 $
  • Source
  • -- Original prospect or advert
  • Source du schéma
  • Photofact Folder, Howard W. SAMS
  • Schémathèque (1)
  • Rider TV Philco 1-1; SAMS set 53 folder 17
  • Auteur
  • Modèle crée par Thomas Albrecht. Voir les propositions de modification pour les contributeurs supplémentaires.

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