Duette

Amroh NV (Radio Bulletin monthly), Muiden

Data
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  • Year
  • 1959
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 128008

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 127; 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 8.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Duette - Amroh NV Radio Bulletin
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Eintakt-Stereo-Verstärker, Bauanleitung veröffentlicht in Elektronik-Zeitschrift Radio Bulletin, Ausgangsleistung 2× 4.25 W (Verzerrung 0.5%), 2× 5 W maximal, Sensitivität 100 mV, Eingang für Plattenspieler mit Kristall-Element (Eingangs-Impedanz 470 k), Regler für Volumen, Balans, Tiefen und Höhen, für Röhren-Verstärker starke Gegenkopplung (40 dB).
  • Source of data
  • -- Original-techn. papers.
  • Mentioned in
  • - - Manufacturers Literature (Radio Bulletin, Nr.9, 1959)
  • Literature/Schematics (1)
  • M.van Geelkerken, "Jongens Radio", Bussum: De Muiderkring 1971, pag.96-108.
  • Author
  • Model page created by Aren van Waarde. See "Data change" for further contributors.

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