Where can I look for the gear Jacek Perkowski uses?

Find and submit the guitar rig, amplifier setup, effects pedalboard, and other instruments used by Jacek Perkowski.

If the artist is active on social media, check places like their Instagram feed and look for musical equipment they can be seen using.

You should also do a Google image search for things like "Jacek Perkowski studio" and "Jacek Perkowski live" and spot gear that way.