Standard-Lautsprecher P25/31/11
Isophon, E. Fritz & Co. GmbH.; Berlin
- Country
- Germany
- Manufacturer / Brand
- Isophon, E. Fritz & Co. GmbH.; Berlin
- Year
- 1953 ??
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 246053
-
- Brand: Isophon
Schallwand mit 2 P25/31/105 und 2 P13/19/10
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 24.5 cm = 9.6 inch
- Power out
- 10 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: Standard-Lautsprecher P25/31/11 - Isophon, E. Fritz & Co. GmbH.;
- Shape
- Chassis only or for «building in»
- Dimensions (WHD)
- 245 x 245 x 31 mm / 9.6 x 9.6 x 1.2 inch
- Notes
-
Rundes Breitband-Lautsprecherchassis ohne Trafo; Impedanz: 4 Ω; Ausgangsleistung bis 10 Watt; Frequenzbereich: 50...13.000 Hz; Eigenresonanz: 60 Hz; Magnetsystem: AlNiCo, 11.000 Gauss, Spalttiefe: 8 mm, Kerndurchmesser: 31 mm.
Empfohlene Trafos: El62/25 {8,50 DM} oder M65 {14,50 DM}.
- Net weight (2.2 lb = 1 kg)
- 2.460 kg / 5 lb 6.7 oz (5.419 lb)
- Price in first year of sale
- 59.00 DM
- Mentioned in
- -- Original prospect or advert
- Author
- Model page created by Michael Mischke. See "Data change" for further contributors.
- Other Models
-
Here you find 253 models, 242 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Isophon, E. Fritz & Co. GmbH.; Berlin
Collections
The model Standard-Lautsprecher is part of the collections of the following members.