Active speakers will break your heart when the plate amp fails. Then you'll prolly have to throw it away unless you know how to repair it.
Huh? I'm not sure why one would through away amplifiers? Why not repair them? We have amp packs that have been running 12 hours a day for 15 years+ and still work fine. Other than replacing dried out capacitors, they rarely go bad. Brystons or Pass Labs or other amps that are well built don't fail but rarely.
Brad
LoneMountain