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6505+ bad power tubes? Video included

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  • 6505+ bad power tubes? Video included

    When I turn on my amp (with nothing plugged into the input or fxloop) it makes this static crackling sound as it turns on and a low humming noise. I tapped the preamp tubes with a pencil and didn't hear any sounds from them. Could this be bad power tubes? The inside of the amp was pretty dusty when I unscrewed the back plate.

    Here's a video of the sound

    http://youtu.be/246YdbEW3bU

    Thanks


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