One Stage Voice Amplifier Type NBI
Marconi's Wireless Telegraph Co. Ltd.
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Marconi's Wireless Telegraph Co. Ltd.
- Year
- 1922/1923
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 303890
- Number of Tubes
- 1
- Valves / Tubes
- DE5B
- Main principle
- Audio-Amplification; 1 AF stage(s)
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries / 5; 80 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: One Stage Voice Amplifier Type NBI - Marconi's Wireless Telegraph
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 220 x 190 x 200 mm / 8.7 x 7.5 x 7.9 inch
- Net weight (2.2 lb = 1 kg)
- 2.2 kg / 4 lb 13.5 oz (4.846 lb)
- Author
- Model page created by Musée des Radios Museum. See "Data change" for further contributors.
- Other Models
-
Here you find 94 models, 92 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi's Wireless Telegraph Co. Ltd.
Collections
The model One Stage Voice Amplifier is part of the collections of the following members.