Boulder amplifier products are essentially custom-made. Parts modules are assembled, but are not put into chassis until an order is received. This particular set of circuit boards are reserved for PN 2065.
Boulder has several CNC machines for making all their own aluminum chassis parts.
Here Ian, who’s been with Boulder for several years, sets one up for a run of bottom chassis parts.
In the foreground are the wooden crates used to send parts to the anodizer.
In the background you can see the knob polishing area.
Here are all the drill bits used by the CNC machine to make the aluminum chassis.