• 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
• 99995

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

• Number of Tubes
• 5

• Valves / Tubes
• 78 or 6D6 77 or 6C6 85 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 7 inch = 17.8 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radio Keg RKS-5 - R.K. Radio Laboratories, Inc.

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 9 x 11 x 12 inch / 229 x 279 x 305 mm

• Notes

• There is also a 4 tube TRF version, called old Lager.

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Machine Age to Jet Age II (page 352.)

• 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.