Porque el foco rojo de clipeo se mantiene encendido

Question

Art Tube MP AMP

Easily replace your 12 AX7A Tube of your Art Tube MP Pre Amp without difficulties

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There is no audio signal from the microphone, the pen does not spin and the red clip button remains lit, it does not turn green.

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score 1 · Answer 1 · 2024-11-10T20:36:28-07:00

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11

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With power connected to the device is the valve glowing in the device?

Here's a schematic for an Art Tube MP v3 that may help to find the problem

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