Stereo-4 Decoder (Quadraphonic Matrix Decoder) AD-2002

Heathkit (Brand), Heath Co.; Benton Harbor (MI)

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  • Année
  • 1972
  • Catégorie
  • Boîte de construction (composants et manuel) ou instructions
  • Radiomuseum.org ID
  • 367701
    • alternative name: Heath Company

 Spécifications techniques

  • No. de transistors
  • Semi-conducteurs présents
  • Semi-conducteurs
  • Principe général
  • Amplification audio
  • Gammes d'ondes
  • - sans
  • Particularités
  • Equipement HIFI
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 110-120 Volt
  • Haut-parleur
  • - Pour casque ou amplificateur BF
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: Stereo-4 Decoder AD-2002 - Heathkit Brand, Heath Co.;
  • Forme
  • Appareil d'étagère
  • Dimensions (LHP)
  • 5.23 x 2.5 x 7 inch / 133 x 64 x 178 mm
  • Remarques

  • The Heathkit AD-2002 is a Stereo-4 Decoder (quadraphonic matrix decoder) originally released in the early 1970s.

    Heathkit AD-2002 Overview:
    The AD-2002 was designed to decode matrix 4-channel quadraphonic sound, specifically the Stereo-4 (EV) system developed by Leonard Feldman and Jon Fixler. 
    Function: It allowed users to convert a standard 2-channel stereo signal into a 4-channel quadraphonic experience. 
    Kit Format: Like most Heathkit products, it was sold as a kit for hobbyists to assemble themselves, complete with a detailed assembly manual. 

    Availability: Today, these units and their original manuals are popular items on eBay and other vintage electronics marketplaces.

    AD-2002 SPECIFICATIONS: Gain (control maximum): Unity. Maximum Input Signal: 2.5 V RMS. Frequency Response: 10-100,000 Hz; +0, —.5 dB. Signal to Noise Ratio, (referred to .25 V input): Greater than 70 dB, wideband. Total Harmonic Distortion, (at .25 V input): Less than .15%. Intermodulation Distortion, (at .25 V input): Less than .25%. Input Impedance: 50,000 ohms minimum, Output Impedance: 3,000 ohms. Controls: Master Gain/Power On-Off, Function Switch. Power Requirements: 110-120 V, 50-60 Hz; 3 watts.

    Kit AD-2002, Decoder plus six 4’ audio cables and 33% RPM demonstration record.

     

     

  • Prix de mise sur le marché
  • 29.95 USD
  • Littérature
  • -- Original prospect or advert (Heathkit 1972 810-72 cat page 19 "New")
  • Auteur
  • Modèle crée par Glen Orriss. Voir les propositions de modification pour les contributeurs supplémentaires.

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