• Country
• United States of America (USA)

• Manufacturer / Brand
• R.K. Radio Laboratories, Inc.

• Year
• 1933 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 150398

• Number of Tubes
• 5

• Valves / Tubes
• 77 78 85 43 25Z5

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: S-4103 - R.K. Radio Laboratories, Inc.

• Shape
• Design Radio or Novelty / Gadget - fancy or unusual shape.

• Dimensions (WHD)
• 300 x 265 x 250 mm / 11.8 x 10.4 x 9.8 inch

• Net weight (2.2 lb = 1 kg)
• 5.8 kg / 12 lb 12.4 oz (12.775 lb)

• Author
• Model page created by Norbert Konersmann. See "Data change" for further contributors.

• Other Models

• Here you find 29 models, 15 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from R.K. Radio Laboratories, Inc.