Turn on amp w/o speakers

Is this harmful? turning on poweramp without any speaker wires connected.

samuellaudio04-03-2007 10:30pm

justlisten Details Discussions Posts This discussion Message User 489 posts 04-04-2007 at 01:34am Copy Comment URL Report Comment Edit Delete i thought it was the other way around to what Philjolet posted
justlisten Details Discussions Posts This discussion Message User 489 posts 04-04-2007 at 04:25am Copy Comment URL Report Comment Edit Delete my amp maker tells me to adjust the bias without the speaker leads connected. it is a tube amp