Microphone Amplifier Type V
Brown S. G. Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Brown S. G. Ltd.; London
- Year
- 1923
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 76223
EbayDE Item:250000195746 userkruegel1
Collection privée (réf.: 404,503)
- Main principle
- Audio-Amplification; 1 AF stage(s)
- Power type and voltage
- Dry Batteries / =6 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Microphone Amplifier Type V - Brown S. G. Ltd.; London
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 6.4 x 4.8 x 3.6 inch / 163 x 122 x 91 mm
- Notes
-
to drive a loudspeaker from a 1-valve rec.; Mechanical amplifier: Magnet system driving a carbon microphone;
The current consumption is about 50 mA at 6 Volts. The resonant frequency is about 1000 Hz.
There are three impedance versions:
120 ohms in, 120 ohms out;
2000 ohms in, 120 ohms out;
2000 ohms in, 2000 ohms out.
- Source of data
- Radio! Radio!
- Literature/Schematics (3)
- Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 417)
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 54 models, 44 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Brown S. G. Ltd.; London
Collections
The model Microphone Amplifier is part of the collections of the following members.