12" Loudspeaker R22/12
Goodmans Industries Ltd.; Wembley, Middlesex
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Goodmans Industries Ltd.; Wembley, Middlesex
- Year
- 1950 ?
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 352819
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: 12" Loudspeaker R22/12 - Goodmans Industries Ltd.;
- Shape
- Chassis only or for «building in»
- Notes
-
A 20 Watt loudspeaker is available with two types of cones:
- Cone type 1205 with fundamental resonance 75 Hz, designed for "Public Address".
- Cone type 1206 with fundamental resonance 55 Hz, designed for "Bass Reproduction".
All 17,500 Gauss. Fully dustproof.
- Mentioned in
- Wireless World (The), London (WW, 79) (Mar 1950, Page 8.)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 96 models, 89 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Goodmans Industries Ltd.; Wembley, Middlesex