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Subminiature Tube Amp (Read 769 times)
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Subminiature Tube Amp
May 9th, 2020, 8:40pm
 
During the Government shutdown of 2019, I built a Vacuum Tube ("Valve") Tube Amplifier using 5902 subminature tubes, and switching power supplies.
 
It is quite possibly one of the smallest Push-Pull tube amplifiers in the world.
 
While the power supplies do utilize modern semiconductor devices, the signal path is pure tube.  In other words, it is not a hybrid amplifier.
 
It produces a few watts into 8 ohm speakers, and is suitable for it's intended purpose as a PC speaker amplifier.
 
The whole project is documented on the AudioKarma Forums.
 
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