It takes quite a lot to design the cnc program, engineering design and then there is the raw material cost and metals are not cheep if your making quality case work. More details there are more attention and time has to be put into the design and program. That's why low cost equipment ilhas usualy low cost case work. That's said pretty design is not always better sound.
What Is The Cost Of Amplifier Casework?
What is the approximate cost of the casework on the big Krells, big Pass Labs and big Gryphon amps? What is the approximate cost of casework on similar big solid state amps?