- Country
- United States of America (USA)
- Manufacturer / Brand
- Royal - see also in text
- Year
- 1934 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 55280
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 110-125 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: 9A - Royal - see also in text
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 5 = ca. 1934 and before
- Other Models
-
Here you find 6 models, 5 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Royal - see also in text