Musaphonic Instrument 90

General Electric Co. (GE); Bridgeport CT, Syracuse NY

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  • Year
  • 1942
  • Category
  • Television- and Radio Receiver, perh. also + Rec. etc. (TV Radio)
  • Radiomuseum.org ID
  • 88968
    • Brand: Musaphonic

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 29
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115-125 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 12 inch = 30.5 cm
  • Power out
  • 10 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Musaphonic Instrument 90 - General Electric Co. GE;
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 42 x 38.5 x 20.3 inch / 1067 x 978 x 516 mm
  • Notes
  • See also the earlier version HM-275-3A with AM TV audio.

    Tubes: 6x 6AC7, 3x 6AB7, 3x 6H6, 2x 6L6, 3x 6F8G, 2x 5U4G, 2x 879; listed once per type. Radio chassis tubes: 6A8G 6SK7 6R7.
  • Literature/Schematics (1)
  • General Electric Radio Service Notes 1939-1942
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

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