• Country
• United States of America (USA)

• Manufacturer / Brand
• Masco Mark Simpson Company Inc., Long Island

• Year
• 1948

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 197259

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

• Number of Tubes
• 3

• Valves / Tubes
• 14F7 50L6GT 50Y6GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 110-120 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Masco JM-5 - Masco Mark Simpson Company Inc

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• Intercom; pairs with Sub-Station Masco JR.

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 42, Date 7/48, Folder 4812-18)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 135 models, 103 with images and 106 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Masco Mark Simpson Company Inc., Long Island