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Brook 3B Preamplifier

Brook 3B Preamplifier ; Unknown - CUSTOM (ID = 2624263) Ampl/Mixer
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Brook 3B Preamplifier ; Unknown - CUSTOM (ID = 2624263) Ampl/Mixer
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  United States of America (USA)
Manufacturer / Brand:  Unknown - CUSTOM BUILT: USA
Year: 1950 ?? Category: Audio Amplifier or -mixer
Valves / Tubes 4: 6SJ7 6SJ7 6SJ7 6SJ7
Main principle Audio-Amplification
Wave bands - without
Power type and voltage Powered by external power supply or a main unit.
Loudspeaker - For headphones or amp.
Power out
from Model: Brook 3B Preamplifier - Unknown - CUSTOM BUILT: USA
Material Metal case
Shape Chassis only or for «building in»

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.