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A Behringer UB802 mixer. What's inside them? Let's find out!

First, I unscrewed the back panel. Nothing much to do here. I see a heatsink though.

Flip it back again to the front...

First, I removed all the plastic knobs by pulling it out. The smaller knobs are tight so I used a screwdriver to ply them loose, then I pulled it out.

The 1/4" jacks have nuts on them, so I unscrewed those too using a long-nose pliers. Unscrewed the front screws on the XLR jacks, 4 at the bottom, 2 in the middle and one by the RCA jacks.

The front covers came off.

All components are PCB mounted.

Looking around, I see the ALPS potentiometers. They're using 2 kinds.... mono and dual pots. The bigger pots have the brand ALPS stamped into them. The smaller one I'm not sure if they're also ALPS.

Here's the Behringer power supply section. I see the diodes for the rectifier section and voltage regulators, and capacitors... which means, AC voltage is running from the wall outlet transformer to the Behringer power inputs, then its converted to DC inside the mixer.