Trichterlautsprecher gross
Berko-Werke, Quast & Co.; Berlin
- Country
- Germany
- Manufacturer / Brand
- Berko-Werke, Quast & Co.; Berlin
- Year
- 1927–1929
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 319117
Prohaska-Katalog 1928/29
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Horn
- Material
- Metal case
- from Radiomuseum.org
- Model: Trichterlautsprecher [gross] - Berko-Werke, Quast & Co.;
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 350 x 570 x 300 mm / 13.8 x 22.4 x 11.8 inch
- Notes
-
Der Prohaska-Katalog 1927/28 schreibt auf S.90: "Berko Lautsprecher, der naturgetreue Lautsprecher, hervorragende Klangfülle, der Lautsprecher für große Energien und Lautstärke bei vorzüglicher Wiedergabe. Massiv gegossener Fuß und Trichter."
Spulenwiderstand 2000 Ω
The coil resistance is 2000 ohms.
The sound can be adjusted by turning the metal ring between the base and the horn, thereby changing the distance between the coil and the membrane in the base..
The metal ring is marked DRGM (Deutsches Reichs Gebrauchs Muster). No other marking.
- Net weight (2.2 lb = 1 kg)
- 3.6 kg / 7 lb 14.9 oz (7.93 lb)
- Price in first year of sale
- 48.00 RM
- Mentioned in
- Katalog Radio-Zentrale Prohaska 1928 (Ausg. 1927/28 S.90)
- Literature/Schematics (1)
- Katalog Prohaska 1928/29
- Author
- Model page created by Morten Avlund. See "Data change" for further contributors.
- Other Models
-
Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Berko-Werke, Quast & Co.; Berlin
Collections
The model Trichterlautsprecher is part of the collections of the following members.