Maybe they use Bugera and Behringer and all at their rehearsal place.
I can see this being the reason... because the Bugera's actually sound fucking INCREDIBLE. I couldn't believe it, when I finally got my 6260. I was completely blown away. I mean, I was expecting the 5150 sound, but the EQ on the Bugera is LIGHTYEARS beyond the 5150.
Back in the day, people (read: mostly high school kids) would always come up to me and ask me how I got such a sick tone, because they bought a 5150 also, but could never get a really good sound dialed in. And for years, I always said that my secret weapon, the ONE thing I will NEVER, EVER part with, the one thing that I would never even THINK about NOT using in any rig was my Boss GE-7 EQ pedal, because that thing took the 5150 and made it do things it could never do on its own. Granted, any EQ pedal is going to do that, really, but thats what I used, and the tonal possibilities it offered were practically unlimited.
Now? All that I use it for is a slight volume boost when I kick in my effects loop for solos. I just couldn't fucking believe it; I mean, that might not be the sound you're looking for, like if you want the crunchy crisp fizziness of Marshalls or the liquid rectified sound of a Mesa, but I'll be damned if the Bugera can't do a more-than-adequate job of recreating those sounds too.
But the reason I say the practice space thing makes sense is that because they, really, are cheaply made... I'm almost afraid to ever move my head now, or touch the knobs, because the knobs are only connected to the circuit board inside the chassis. They are NOT in any way affixed to the front panel. Like, theres no hex nut screwed against it like with the knobs on guitars; you can actually wiggle and move the knobs on the Bugera. I mean, its not like RIDICULOUSLY loose, but they're movable.
That, and the fact that the only thing holding the chassis inside the head enclosure is TWO SCREWS, one on each side. Thats it. You can move it back and forth inside the enclosure. Yet, they have like, a total of like 10 screws used for the metal grills... 4 in the back, 6 in the front. And they have these absolutely USELESS tube socket holder things.... like these things that are supposed to keep the tubes in place that you screw on overtop them, like what Marshall's have, I believe. Except that you have to COMPLETELY REMOVE the entire thing if you want to change tubes. The base mount that the caps screw onto, overtop the tubes, don't allow enough wiggle room to properly insert tubes, because you're supposed to go in a circular motion when putting them in and pulling them out. You are absolutely not in any way ever supposed to just push them in, or pull them out, unless you're purposely trying to bend or break off the pins.
anyway, thanks for the vid, thats rad