Currawong 2x10W RMS Stereo Valve Amplifier Kit

Silicon Chip Publications Pty. Ltd; Brookvale NSW

  • Année
  • 2014/2015
  • Catégorie
  • Amplificateur BF ou mélangeur BF
  • Radiomuseum.org ID
  • 324322

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

 Spécifications techniques

  • No. de tubes
  • 8
  • No. de transistors
  • Semi-conducteurs présents
  • Semi-conducteurs
  • Principe général
  • Amplification audio; Hi-Fi-High End products
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 240 Volt
  • Haut-parleur
  • - Ce modèle nécessite des HP externes
  • Matière
  • Circuits imprimés
  • De Radiomuseum.org
  • Modèle: Currawong 2x10W RMS Stereo Valve Amplifier Kit - Silicon Chip Publications Pty.
  • Forme
  • Chassis (pour intégration dans meuble)
  • Dimensions (LHP)
  • 294 x 186 x 304 mm / 11.6 x 7.3 x 12 inch
  • Remarques
  • The Currawong amplifier is a stereo audio amplifier based on a design by Grant Wills in 2003 incorporating cheap, readily available 100V audio line transformers with the line impedance taps used in the class-AB ultra-linear output stage.

    The Silicon Chip design used two 12AX7’s as pre-amp and phase splitter with two 6L6 beam power Triodes as the push-pull output stage, per channel. It also incorporated a delayed B+ soft start circuit.

    It was described in Silicon Chip in November, December 2014 and January 2015.

    It sold on kit form, without a case from Altronics Pty. Ltd. for around $700.

    The Editor of Silicon Chip, Nicholas Vinen explains that the Currawong name recognises the very musical call of the bird.

    A Pied Currawong is an Australian native bird about the size of a Crow or Raven and is mostly all black except for the telling white wing & tail feathers. Known for its melodious calls, the species' name currawong is believed to be of indigenous origin.

     

    Output power:  2 x 10W (8Ω, 6Ω), 2 x 9W (4Ω)
    Operating mode:  Class-A (8Ω), Class-A/AB (6Ω, 4Ω)
    Input sensitivity:

     1V RMS (8Ω, with feedback enabled)

    Signal-to-noise ratio:  77dB
    Channel separation:  >60dB, 20Hz-20kHz (4Ω, 6Ω & 8Ω)
    Harmonic distortion:

     typically, <0.1%, 6Ω & 8Ω

    Frequency response:  ±0.6dB, 30Hz-20kHz
    Damping factor:  >20 (8Ω), >10 (4Ω)
    Mains power draw:  typically, 120-130W
  • Prix de mise sur le marché
  • 700.00 AUS $
  • Littérature
  • Silicon Chip Magazine Nov, Dec 2014, Jan 2015
  • Auteur
  • Modèle crée par Gary Cowans. Voir les propositions de modification pour les contributeurs supplémentaires.

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