Brook 3B Preamplifier
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| Year: 1950 ?? | Category: Audio Amplifier or -mixer | ||||
| Valves / Tubes | 4: 6SJ7 6SJ7 6SJ7 6SJ7 |
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| Main principle | Audio-Amplification |
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| Wave bands | - without |
| Details | |
| Power type and voltage | Powered by external power supply or a main unit. |
| Loudspeaker | - For headphones or amp. |
| Power out | |
| from Radiomuseum.org | Model: Brook 3B Preamplifier - Unknown - CUSTOM BUILT: USA |
| Material | Metal case |
| Shape | Chassis only or for «building in» |
| Notes | 2 Low gain inputs, 2 Magnetic inputs, 1 MIC input. |
| Mentioned in | -- Schematic |
Model page created by Toni Gutiérrez García. See "Data change" for further contributors.
All listed radios etc. from Unknown - CUSTOM BUILT: USA
Here you find 266 models, 217 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
