• Country
• United States of America (USA)

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

• Year
• 1934

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 227461

• • Brand: Silvertone

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

• Number of Tubes
• 6

• Valves / Tubes
• 78 6A7 78 75 41 84

• Main principle
• Superhet with RF-stage; ZF/IF 265 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Silvertone 7068 - Sears, Roebuck & Co.; Chicago

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 230 x 230 x 170 mm / 9.1 x 9.1 x 6.7 inch

• Notes

• The Sears Silvertone 7068 is a battery operated 6 tube BC band car radio. Uses vibrator to generate the B+ voltage.

  See details and summaries about Sears catalogs. This model was manufactured for Sears by Sentinel Radio Corp., Chicago,IL (Sears Manufacturer Source Number Code 106).

  Station tuning is performed from the control unit mounted on the steering column of the vehicle.

  The connection between the control unit and the radio is made via cable for the volume and  power switches, and via a Bowden cable for station tuning.

  The variable capacitor is preloaded with a spring so that only one Bowden cable is required.

  The power supply unit (enclosed in a sheet metal box) includes a rectifier tube, transformer, vibrator, and a relay.  The unit is inserted into the bottom of the radio housing.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Literature/Schematics (1)
• Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 451 to 452)

• Author
• Model page created by John Kusching. See "Data change" for further contributors.

• Other Models

• Here you find 5479 models, 3211 with images and 4185 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)