Operadio sound-on-film talking picture dual theatre amplifier

Seow Kuam Company; Dhoby Ghaut

  • Year
  • 1935/1936
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 200309

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • from Radiomuseum.org
  • Model: Operadio sound-on-film talking picture dual theatre amplifier - Seow Kuam Company; Dhoby Ghaut
  • Notes
  • Public Address and Sport Announcement System, accepted as standard and inter-changeable with Simplex Projector parts. It there offers the "Operadio sound-on-film talking picture dual theatre amplifier".
  • External source of data
  • Guest Jef Jaisun, Seattle, USA.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum