Originally Posted by Skeeter
That's how it was originally hooked up, which shod have turned the green light on meaning it is getting power, right? I think there may be something wrong internally.
Move the ground of the Tube to the same place you have the amplifier ground, or, ground the Tube as you usually would.
Re-reading my initial post, I apologize for any confusion. When I wrote of connecting to the ground terminal of the amplifier, I literally meant the ground terminal, i.e., where the amplifier ground is located, not at the amplifier itself.