8-Pol Super-Dynamic 407, 407A
Undy-Werke, Pyreia Metallwarenfabrik; Frankfurt / Main
- Country
- Germany
- Manufacturer / Brand
- Undy-Werke, Pyreia Metallwarenfabrik; Frankfurt / Main
- Year
- 1930/1931
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 331957
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Magnetic loudspeaker (reed) of high quality (4 magnet poles).
- Power out
- 10 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: 8-Pol Super-Dynamic 407, 407A - Undy-Werke, Pyreia
- Shape
- Chassis only or for «building in»
- Notes
-
Der Undy Super-Dynamic hat einen grösseren Magneten als der Dynamic, und im Gegensatz zu diesem eine elektrische Weiche eingebaut.
Ausführungen:
- Nr. 407: mit Regulierung, 52,50 RM
- Nr. 407A: mit Regulierung ohne Transformator, 43,20 RM
- Net weight (2.2 lb = 1 kg)
- 3.2 kg / 7 lb 0.8 oz (7.048 lb)
- Price in first year of sale
- 52.50 RM
- Mentioned in
- -- Original prospect or advert (La Radio per Tutti, Italy, number 1, 1 January 1931)
- Literature/Schematics (1)
- -- Original prospect or advert (Saison 1931)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 38 models, 37 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Undy-Werke, Pyreia Metallwarenfabrik; Frankfurt / Main