• Country
• United States of America (USA)

• Manufacturer / Brand
• Simplex Radio Co.; Philadelphia, PA and Sandusky, OH

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58120

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

• Number of Tubes
• 5

• Valves / Tubes
• 6D6 6D6 6C6 42 80

• Main principle
• TRF without regeneration; 1 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast (MW) and Tropical/Marine/Police Band(s) = 150-200m.

• Power type and voltage
• Alternating Current supply (AC) / Either transformer: 60 cycles, 110V, or 25 cycles, 110V or 60 cycles, 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: X [var. 1] - Simplex Radio Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 11.3 x 7.5 x 6.8 inch / 287 x 191 x 173 mm

• Notes

• The Simplex model X is an AC operated, 5 tube BC and Police band receiver.  There is a single band that covers both the BC band and the Police band.  The frequency tuning range for the single band is 540-1900kHz.

  Simplex also built this model using a different cabinet for the Goldentone Radio Company.  See Goldentone 52.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 5 = ca. 1934 and before

• Literature/Schematics (1)
• Rider's Perpetual, Volume 5 = ca. 1934 and before (Riders (Simplex) 5-1)

• Other Models

• Here you find 178 models, 91 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simplex Radio Co.; Philadelphia, PA and Sandusky, OH