- Country
- United States of America (USA)
- Manufacturer / Brand
- Martian Manufacturing Co. Inc.; Newark (NJ)
- Year
- 1923
- Category
- Detector-Radio (Crystal or diode, without tubes/transistors)
- Radiomuseum.org ID
- 46829
Big 4
Bild von Peter Hayny.
Bild von Peter Hayny.
Bild von Peter Hayny.
Bild von Peter Hayny.
Bild von Peter Hayny.
Bild von Peter Hayny.
Martian Big 4
USA Maritan Big4 1923
Bild von Peter Hayny.
Big 4 (helle u. dunkle Drahtbespannung)
Martian Big 4, incomplete, missing legs
Martian Big 4, incomplete, missing legs
- Main principle
- Crystal or Solid State Detector
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Big 4 - Martian Manufacturing Co. Inc.
- Dimensions (WHD)
- 140 x 220 x 140 mm / 5.5 x 8.7 x 5.5 inch
- Notes
-
one or two tuning sliders (ball on coiled spring); Lit.: M.L.Sievers: "Crystal Clear" vol.1, p.72
- Price in first year of sale
- 7.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Mentioned in
- Crystal Clear (Volume 1) (p.72)
- Literature/Schematics (1)
- RADIOBOTE, Österr. (Heft 3/2006, S.4 ff, Gerätebeschreibung)
- Other Models
-
Here you find 7 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Martian Manufacturing Co. Inc.; Newark (NJ)
Collections
The model Big is part of the collections of the following members.