• Country
• United States of America (USA)

• Manufacturer / Brand
• McMurdo Silver, Inc.(pre WW2); Chicago

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 114359

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

• Number of Tubes
• 19

• Valves / Tubes
• 6D6 6D6 6D6 76 6D6 6D6 6D6 85 6B7 76 76 42 42 42 42 42 42 5Z3 5Z3

• Main principle
• Superhet with RF-stage

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Details
• Visual Tuning Indicator pre Eye

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• 2 Loudspeakers

• Material
• Metal case

• from Radiomuseum.org
• Model: Masterpiece IV - McMurdo Silver, Inc.pre WW2;

• Shape
• Chassis only or for «building in»

• Notes

• Receiver and Amplifier plus power supply, 2 chassis. for several cabinets.

  Typically shipped with a 12-inch Jensen type X woofer, and 5-inch Jensen type Q tweeter.  Additional speakers were available in some packages.

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• Pre-War Consoles

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 40 models, 38 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McMurdo Silver, Inc.(pre WW2); Chicago