- Country
- United States of America (USA)
- Manufacturer / Brand
- Butler Brothers (Sky Rover); where?
- Year
- 1950 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 34921
-
- Brand: Sky Knight
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superhet with RF-stage; ZF/IF 455 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
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- from Radiomuseum.org
- Model: RD-290 - Butler Brothers Sky Rover;
- Shape
- Portable set > 8 inch (also usable without mains)
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 18 = 1949 and before
- 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?