Tube Amp Archive

While making a couple of other as-built revisions, I was able to clean up the wiring in the layout. This should be a bit more pleasant to view. Again, my apologies!

I used Visio for both. Actually, I'm a little embarrassed with all the spaghetti in the layout, but I was in a hurry to get to the build. I'm going back now and making the wiring a bit neater. I'll post the revised layout when finished. Eager to hear how your Princeton is coming along. I imagine you...

It is an inverted layout so that tubes can reside atop the chassis, but maintain an American controls layout on the faceplate.

This is the layout.

This is a "Princeton-inspired" design that has some of the mods you may be interested in. - Mid control tone stack - Adjustable bias - Adjustable trem - Adjustable feedback - DC offset for heaters - Quiet input section - Bias measurement resistors - Mute switch - Bright switch - Pre PI MV - Adjustab...