SW Adapter Kit 731
Silver - Marshall; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Silver - Marshall; Chicago, IL
- Year
- 1929
- Category
- Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
- Radiomuseum.org ID
- 57952
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 2
- Main principle
- TRF with regeneration; Screengrid 1926-1935
- Wave bands
- Short Wave (SW only)
- Power type and voltage
- Powered by external power supply or a main unit.
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: SW Adapter Kit 731 - Silver - Marshall; Chicago, IL
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
- One dial (primary tuning control knob)
- Price in first year of sale
- 22.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Other Models
-
Here you find 225 models, 116 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Silver - Marshall; Chicago, IL