Rep: 13
1
2006 ART tube preamp
no lights come on with either phantom power or a proven 9 volt AC power source
can this be a symptom of a bad tube?
thanks!
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@paulbiere probably not. I suspect the tubes are audio tubes driving the amp but not the power. If you have no sign of life start looking at the power supply/circuit. Disassemble it using this guide Art Tube MP AMP 12 AX7A Tube Replacement and take a look for obvious damaged components, lose wiring etc. Post some good images of your boards etc. with your question. That will allow us to see what you see. Agregar imágenes a una pregunta existente
Guía
Dificultad:
Muy fácil
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2 - 5 minutes
Guía
Dificultad:
Fácil
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35 - 40 minutes
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