You have no DC Protect, 40 year old outputs and a topology that CAN and PROBABLY WILL latch up to the negative rail eventually. YOU ARE NOT MESSING WITH SOMETHING THAT WAS PUT TOGETHER TO HAMMER ON ALL DAY LONG LIKE THE LAST 700 THAT WAS AT YOUR PLACE!!! Jase take it easy, keep it cool with a fan and run er gently until it proves it's not gonna cough up and eat your new speaks, in fact I'd keep it off the modded CV's....be careful Bud.