• Year
  • 1957 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 342129

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 117; 125 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 30 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Amplifier 128A - Altec Lansing Corp.; Oklahoma
  • Shape
  • Rack
  • Dimensions (WHD)
  • 19 x 8.75 x 8 inch / 483 x 222 x 203 mm
  • Notes
  • Commercial power amplifier, with tube monitoring meter.

    Power Output: 

    • 15 W at less than 1/2% THD, 30-20,000 Hz.
    • 30 W at less than 2% THD, 30-20,000 Hz. 
  • Net weight (2.2 lb = 1 kg)
  • 18 lb (18 lb 0 oz) / 8.172 kg
  • Literature/Schematics (1)
  • Altec Catalog Sheets, 1957, data sheet AL1423-1, 128A Amplifier

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