- Country
- United States of America (USA)
- Manufacturer / Brand
- Gibson Manufacturing Co., Kalamazoo (MI)
- Year
- 1946
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 181148
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 110-120 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm
- Power out
- 9 W (unknown quality)
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: BR-4 - Gibson Manufacturing Co.,
- Shape
- Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
- Dimensions (WHD)
- 410 x 450 x 219 mm / 16.1 x 17.7 x 8.6 inch
- Net weight (2.2 lb = 1 kg)
- 6.5 kg / 14 lb 5.1 oz (14.317 lb)
- Source of data
- -- Original-techn. papers.
- Author
- Model page created by Hannes Gerber. See "Data change" for further contributors.
- Other Models
-
Here you find 25 models, 21 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Gibson Manufacturing Co., Kalamazoo (MI)