• Country
• United States of America (USA)

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

• Year
• 1956

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 296439

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

• Number of Tubes
• 2

• Valves / Tubes
• 1U5 3V4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 117V = 105 -125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Electronic Butler HCM, PCM - Masco Mark Simpson Company Inc

• Shape
• Tablemodel, with any shape - general.

• Notes

• AC - DC Operated Intercommunication System.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 315 Folder 6 Dated 5-56)

• Author
• Model page created by Dirk Taekels. 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