• Country
• United States of America (USA)

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

• Year
• 1948 ?

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 191874

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SL7GT 6SL7GT 6U5 6V6GT 6X5GT

• Wave bands
• - without

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: Masco RK-5 [Early] - Masco Mark Simpson Company Inc

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Masco model RK-5 is an AC operated disc recorder with crystal cutter and playback amplifier.

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 33, Date 2/48, Folder 483-11)

• Author
• Model page created by Ernst Erb. 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