When you say it, that looks like a steel Modushop chassis with a new top plate and wooden side panels.  Cheapest possible crap then... 
 
	The perf boards are just retarded.  I mean why would you do that, there is no good way to mount the tube sockets compared to a proper pcb with large slots to securely mount them. 
 
	Ohhh and a RK27 volume control in a 12000€ amp?  Are you fucking kidding me?