Ruby amp PCB layout

Here's my design for a printed circuit board for the Ruby amp -- a slightly more advanced version of the Make crackerbox amp. Note that instead of a 1.5 meg resistor between the input and ground, I put a 1meg and 470k in series (R1 and R2 in this layout) -- I didn't have a 1.5meg resistor handy..... This PCB layout is shown at about 150% normal size. Anyone interested in a layered Illustrator file, PDF, etc can contact me. For info on how to make your own PCBs, see my instructable on the subject. Note that for this project, I used a mask pattern that minimized the amount of copper needed to be etched, both for easier soldering and to prolong the life of my etch solution.....

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Uploaded on May 24, 2007