The creation of a Purkhiser Amplifier

The beginning of a good project! The beginning of a good project!
In The Beginning... In The Beginning...
Laying out the boards on paper Laying out the boards on paper
Making a drill template for the boards Making a drill template for the boards
Copying the drill teplate to vellum Copying the drill teplate to vellum
Design Layout Design Layout
Chasis layout with componets Chasis layout with componets
Cutting the glass epoxy boards Cutting the glass epoxy boards
Boards ready for drilling Boards ready for drilling
Starting to install the eyelets Starting to install the eyelets
A solder eyelet A solder eyelet
An eyelet inserted in the board An eyelet inserted in the board
The bottom of the eyelet ready to be set The bottom of the eyelet ready to be set
Setting the flange Setting the flange
Installed the old fashion way! Installed the old fashion way!
Before and after Before and after
Set and ready to go! Set and ready to go!
A partially completed board A partially completed board
A completed board loaded and ready to be wired A completed board loaded and ready to be wired
A wired board A wired board
On to the chasis On to the chasis
Drilled and ready to be sanded and polished Drilled and ready to be sanded and polished
First I sand out all the brake marks out First I sand out all the brake marks out
After final sanding After final sanding
Beginning to polish Beginning to polish
The beginning of a shiny chasis! The beginning of a shiny chasis!
And getting even shinier! And getting even shinier!
A stamped date A stamped date
All shiny and ready to load the boards and transformers All shiny and ready to load the boards and transformers
Yep, coffeebreak time! Yep, coffeebreak time!
Time to load a chasis! Time to load a chasis!
Aircraft grade type 3003 aluminum Aircraft grade type 3003 aluminum
Braced with aluminum support rods Braced with aluminum support rods
A loaded and wired pre amp board ready to install A loaded and wired pre amp board ready to install
Chasis with power supply board mounted Chasis with power supply board mounted
Pre amp board mounted and ready to wire Pre amp board mounted and ready to wire
Tube sockets mounted and ready for wiring Tube sockets mounted and ready for wiring
Transformers mounted and ready for wiring Transformers mounted and ready for wiring
Control panel pots and switches mounted and ready for wiring Control panel pots and switches mounted and ready for wiring
Tube sockets wired! Tube sockets wired!
Coming together nicely! Coming together nicely!
Almost done and then time to start on the cabinet!!! Almost done and then time to start on the cabinet!!!