• Country
• United States of America (USA)

• Manufacturer / Brand
• Silver - Marshall; Chicago, IL

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57905

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

• Number of Tubes
• 10

• Valves / Tubes
• 58 58 56 58 56 56 59 59 59 5Z3

• Main principle
• Superhet with RF-stage

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: SM-4801 - Silver - Marshall; Chicago, IL

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• 4 legged lowboy with stretcher base. Push-pull af output stage.
  Early models - IF peak 465 kc.
  Later models - IF peak 175 kc.

• External source of data
• Ernst Erb

• Source of data
• Pre-War Consoles

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

• Other Models

• Here you find 225 models, 116 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Silver - Marshall; Chicago, IL