This question may appear slightly open ended, so I'm trying to word it as carefully as possible to keep it on track. Looking to change pickups in my basses lead me to looking at Seymour Duncan ...
I understand that you should use an amp that was meant to be used with your instrument, but sometimes maybe you just don't have the money, or your amp is not around when you need it, or for whatever ...
What is the difference between "hi" and "low" input jacks on guitar / bass amps? Usually bigger amps have both of them (didn't see them on smaller ones really)..