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? 
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I was going to put 
Sherlock Holmes on the case until I found out he was dead!
My great love was not beutiful on the outside but her performace!!!
No mas, no mas of bad humor!
I love my CJ 350 execpt the heat sinks are so sharp that I had to put gloves on when I could lift it in days gone by!
The Audia
The PRE chassis is machined out of aluminum via Numerical Control (NC) units and laser machines. NC micro millers further crafted the front panel out of a 25mm thick aluminum ingot. Chassis-width damping plates are inserted under the top cover, as well as between the two boards. To root out possible interference, the logic control circuitry is encased in metal and positioned behind the front panel.