• Country
• United States of America (USA)

• Manufacturer / Brand
• Butler Brothers (Sky Rover); where?

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34919

• • Brand: Sky Knight

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SK7 12SA7 12SF7 12SK7 35L6GT 35Z5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: N5-RD-250 Sky Rover Ch= 9022N [brown] - Butler Brothers Sky Rover;

• Shape
• Tablemodel, low profile (big size).

• Notes

• Color=Mahogany.

  Similar to Stewart Warner model 61T26.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 6, Folder 31)

• Literature/Schematics (2)
• Rider's Perpetual, Volume 15 = 1947 and before (Butler 15-1)

• Other Models

• Here you find 10 models, 6 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Butler Brothers (Sky Rover); where?