The power amp is the part of the amplifier system that is responsible for making your guitar’s signal louder, after it’s been conditioned by the preamp.
When you buy an amplifier head, the head includes both the preamp and the power amp.
A separate power amp allows you to choose the exact tone modifying features you prefer, and either output it directly to a speaker or into another mixing device first.
The idea of adding a separate power amp into your guitar rig is to amp up the signal. Generally, the more power you have means the louder you can go. However you want to make sure that you can turn up your amp loud enough to sound good but not so much that you distort […]
