• Year
  • 1929 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 103634

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 105-120 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SM-677-245 - Silver - Marshall; Chicago, IL
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 21 x 5.75 x 5.25 inch / 533 x 146 x 133 mm
  • Notes
  • The Silver-Marshall chassis SM-677-245console SM-722 has one dial (primary tuning control knob); push-pull AF output stage. The UX245 was introduced in March 1929.
  • Price in first year of sale
  • 98.00 $
  • Literature/Schematics (1)
  • Chicago Salvage Stock Store catalogue, 1929?
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

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