• Country
• United States of America (USA)

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

• Year
• 1951 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 350494

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SL7GT 6SN7GT 807 807 5Y3GT 5Y3GT 5Y3GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Masco MB-60 [Late] - Masco Mark Simpson Company Inc

• Shape
• Chassis only or for «building in»

• Notes

• Masco model MB-60 [Late] is an AC operated booster amplifier. 

  The previous version is the Masco MB-60 [Early].

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 148, folder 10, dated 10-51)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 136 models, 104 with images and 107 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