Overall it’s tested and working well but is rough around the edges. All knobs work well. The small red bass knob is a little difficult to flip but it still does. I didn’t notice much of a difference with the red knobs. I’m unsure if that’s how they’re suppose to be since they did feel like they were in ok-good condition when I tested them. The volume & tuner knobs work well, they do have some rust/patina on them. The black knobs on the right side seem to work well. All stayed in when pushed and there was a notable shift in frequency. All the cables look to be in good shape, no exposed wires or damage that I could spot albeit a little rusty. I wiped down the whole thing and some of the insides but the wiring & mechanics on the inside are still dusty with some cobwebs deep inside. Cosmetically it looks ok, not great shape but not horrible either. For the age I’d say good overall with notable blemishes. I have a video of the tested. Currently making this listing on the mobile app, I’ll see if the desktop version let’s me upload the video.