SW-3 Model I var 1a
National Company; Cambridge & Malden (MA)
- Country
- United States of America (USA)
- Manufacturer / Brand
- National Company; Cambridge & Malden (MA)
- Year
- 1931 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 49616
-
- alternative name: National Toy Co.
- Brand: Thrillbox
- Number of Tubes
- 3
- Main principle
- TRF with regeneration
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC) / 2,5 / 135-180 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: SW-3 Model I [var 1a] - National Company; Cambridge &
- Shape
- Tablemodel, with any shape - general.
- Notes
- plug-in coils with color code or numbers series "10-22";
headphones operation only, no audio output stage
possibly identical to Thrill Box SW-3
- Price in first year of sale
- 55.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 446 models, 285 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from National Company; Cambridge & Malden (MA)