Originally Posted by: JFRICK.... The tubes (valves) hold a charge that can send you across the room, or even worst, kill you. Even after the power has been turned off and the amp has been unplugged. To properly discharge the valves, always turn the power switch off with the standby still on....or turn the standby switch on with the power switch off...

Sorry, mate. You just lost any credibility you might have had on this topic. Tubes do NOT hold charge.

Never!

Period.

End of story.



The filter capacitors in the power supply - now there's a whole 'nother story!


Having said that; I would seriously advise most of our members to have their amps set up by a professional. Poking about in a tube amp can get you dead very easily. It ain't worth it.