• Country
• United States of America (USA)

• Manufacturer / Brand
• Operadio Corp.; St. Charles (IL)

• Year
• 1949 ?

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 136482

• • alternative name: Operadio Mfg,

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

• Number of Tubes
• 5

• Valves / Tubes
• 6J7 12AX7 6C4 50L6GT 50L6GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: 11A55 Ch= 1A265 Ch= 1A270 - Operadio Corp.; St. Charles IL

• Shape
• Tablemodel, with any shape - general.

• Notes

• Operadio model 11A55 is an AC operated tape recorder.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 113 folder 6 date 11-50)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 66 models, 43 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Operadio Corp.; St. Charles (IL)