Originally Posted by nicktele5150
thats another question ive been meaning to put on this site. how hard is it to replace tubes i can replace speakers that i know cause i helped put speakers in my brothers car.
On most amps, including the HRD, it's not much harder than changing a light bulb. Just pull the old ones out gently and plug the new ones in. The only thing you have to do is make sure the pins are aligned properly (and you don't want the amp powered up