Microphone DPI
Grampian Reproducers Ltd.; Middlesex
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Grampian Reproducers Ltd.; Middlesex
- Year
- 1950 ??
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 347158
Wireless World H. F. Smith editor, May 1950.
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Microphone DPI - Grampian Reproducers Ltd.;
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 3 x 3 x 3 inch / 76 x 76 x 76 mm
- Notes
-
A moving coil microphone with a frequency response 60 to 9,000 Hz.
Output impedance 15 Ω. Connection 2-pin plug.
- Net weight (2.2 lb = 1 kg)
- 2 lb (2 lb 0 oz) / 0.908 kg
- Mentioned in
- Wireless World (The), London (WW, 79) (May 1950, Page 28)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 7 models, 7 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grampian Reproducers Ltd.; Middlesex