prochobo 10+ year member
Sedan Sleeper
I've got a stock 90 amp alt, big 3 done, stock bat. I get drops to about 13v at idle playing at daily volume, drops in the 10-11's when I crank it. So yes, I do get dimming. Something is wrong if you're doing 2kw+ on stock electrical and not getting any dimming at all. . .