• Year
  • 1946 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 116253

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • from Radiomuseum.org
  • Model: 642 FJ-91A - Espey Mfg. Co., Inc.; New York
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes
  • Manual, portable phonograph. Push-pull audio amplifier. Sams photofact, set 8, folder 468-11, date 11-46, features the Espey models 641 and 642 as the same schematic.
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 6, 1946

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