Sound Level Meter 1400
Dawe Instruments Ltd.; Brentford, Middlesex
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Dawe Instruments Ltd.; Brentford, Middlesex
- Year
- 1949 ??
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 344859
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 16
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Dry Batteries / 3 x 9 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Wooden case
- from Radiomuseum.org
- Model: Sound Level Meter 1400 - Dawe Instruments Ltd.;
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
-
The "Sound Level Meter" measures intensity level over full range of hearing.
OC 702 and OC139 are one for type, OC71 are in number of 14.
- Mentioned in
- -- Original prospect or advert (Electronic Engineering, volume 21 number 251, January 1949.)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 22 models, 18 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Dawe Instruments Ltd.; Brentford, Middlesex