Audio Amplifier

Unknown - CUSTOM BUILT: USA

  • Year
  • 1922 ??
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 301082

 Technical Specifications

  • Number of Tubes
  • 1
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries / 6 & 120 Volt
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Audio Amplifier - Unknown - CUSTOM BUILT: USA
  • Dimensions (WHD)
  • 180 x 230 x 260 mm / 7.1 x 9.1 x 10.2 inch
  • Notes
  • There is a 4.5 V bias battery inside the cabinet.
    La pile de 4.5 V est dans le boitier

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