Hi guys, i play an ampeg bsp preamp through a behringer 1500 power amp into an ampeg 2x10 and an ampeg 1x15 Lately when i have played all of my stuff has been super quiet and when i turn it up i get serious peaks. Actually on the a string with the gain lower than 12 o clock and eq below 12 as well peaks on the lightest slap. I did a search and people said the peaks aren't so bad for your equipment but the problem is i used to have my stuff turned up way louder and never peaked. I just want to find the problem. I thought it was my bass (hohner bbass V with active preamp) but i tried it on other amps and it's not peaking on my other amps. What troubleshooting steps should i take ?