Silvertone F Ch= R4430

• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57330

• • Brand: Silvertone

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• UX201A UX201A UX200A UX201A 112A or 171A

• Main principle
• TRF without regeneration; Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Silvertone F Ch= R4430 - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 15.1 x 7.5 x 8.25 inch / 384 x 191 x 210 mm

• Notes

• The Silvertone model F has one dial (primary tuning control knob) alled "Unitrol" by King.
  The Sears model Silvertone E, 80, 81, F (R4430), 82, Power pack 82, J (R4433, H (R4432) have been made by King Mfg. Corp. and the schematics are shown in Gernsback page 207 to 209.
  See also King model F with perhaps a different cabinet. See details and summaries about Sears catalogs etc.

• Price in first year of sale
• 22.00 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• The Sears Silvertone Catalogs 1930-1942

• Literature/Schematics (1)
• Official Radio Service Manual and Complete Directory of all Commercial Wiring Diagrams (page 208 for King Mfg. Corp.)

• Other Models

• Here you find 5464 models, 3199 with images and 4169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)