Pa speakers are different to guitar speakers in that guitar speakers attenuate a lot of the higher frequencies rounding off a lot of scratchiness.
Playing electric guitar through pa system.
The chief problem is this.
If worst comes to worst then run a line 6 pod.
The loop station will then have to go straight out into the mixer and.
Certainly an electric guitar amp is an important thing to have.
I ll be going guitar into tuner delay reverb then into a boss rc300 loopstation.
But it is also important to know how to amplify an electric guitar without an amp.
Running guitar straight into a pa sounds too sterile and flat it needs the tone of the amp and the speaker too in order to sounds like a guitar.