Fm-Am Stereo Receiver STR-1250

Gradiente Eletrônica S.A.; São Paulo

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  • Année
  • 1974 ?
  • Catégorie
  • Radio - ou tuner d'après la guerre 1939-45
  • Radiomuseum.org ID
  • 331388

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

 Spécifications techniques

  • No. de transistors
  • Semi-conducteurs présents
  • Semi-conducteurs
  • Principe général
  • Super hétérodyne (en général)
  • Gammes d'ondes
  • PO et FM
  • Particularités
  • Equipement HIFI
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 110; 220 Volt
  • Haut-parleur
  • - Ce modèle nécessite des HP externes
  • Puissance de sortie
  • 64 W (sans distorsion)
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: Fm-Am Stereo Receiver STR-1250 - Gradiente Eletrônica S.A.; São
  • Forme
  • Appareil d'étagère
  • Dimensions (LHP)
  • 430 x 140 x 350 mm / 16.9 x 5.5 x 13.8 inch
  • Remarques

  • Inputs: Phono (moving magnet), Tape, Aux and Mic
    Output power: 2 x 32 W RMS into 8 Ω, 2 x 40 W RMS into 4 Ω
    AC outlets: 2 (110 - 220 V)

    There are different versions of this receiver, namely with the following prints on the back:

    • IGB - Amazonia S/A., Av. Assai
      Industria Brasileira, C.G.C. 04.209.912/0001-29
      Produzida na Zona Francia de Manaus
       
    • Made in Brazil

    The schematic indicates:

    • Gradiente - Receiver STR 1250 C / Monobloco Alps
  • Poids net
  • 10.2 kg / 22 lb 7.5 oz (22.467 lb)
  • Auteur
  • Modèle crée par Antonio Rabitti. Voir les propositions de modification pour les contributeurs supplémentaires.

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Contributions du forum pour ce modèle: Gradiente Eletrônica: Fm-Am Stereo Receiver STR-1250

Discussions: 1 | Publications: 1

With reference to the product Gradiente model STR-1250 it was added in the text by the administrators that this model probably has Japanese parts. This is not correct. Gradiente produced this model (and others that I'll upload) entirely.
What happens is that our hi-fi audio market followed Japanese standards mainly with regard to connections.

Philips unsuccessfully tried to impose the DIN standard, but had to surrender to the market imposition created by other local hi-fi audio manufacturers (Gradiente, Polyvox, Quasar, CCE, Spectro, Gavox, Greynolds, etc.) who adopted the Japanese standard for connections .

By the way, this is one of the main explanations why Philips took a long time to take off with its high-fidelity products. Its DIN fixtures did not connect with any other equipment sold here.
 
Best regards
Antonio Rabitti

Mike Edwards † 25.10.21, 08.Aug.21

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