- Country
- Netherlands
- Manufacturer / Brand
- Erres, Van der Heem NV; Den Haag
- Year
- 1933
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 97310
From a website auction.
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Wooden case
- from Radiomuseum.org
- Model: 522 - Erres, Van der Heem NV; Den
- Dimensions (WHD)
- 300 x 300 x 220 mm / 11.8 x 11.8 x 8.7 inch
- Price in first year of sale
- 33.00 Hfl
- Mentioned in
- Het Vaderland, 21 september 1933
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 411 models, 328 with images and 225 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Erres, Van der Heem NV; Den Haag