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All the schematics you'll find below are quite large, enough to keep the value of the components readable. They will certainly not fit completely onto your screen, but you can scroll through or save the GIF on your disk (click with the right button of your mouse ON the schematic and choose the option "Save Image As") and print it with a common bitmap program.
I haven't tried every schematic listed below, so I can't assure you of the quality of each of them nor that they are error-free.
A word about units
Caps values are indicated in the following manner:
For resistors, I usually don't indicate the word "Ohms", just the value of
And for chokes:
In formulas, if not mentioned otherwise, the units are the main ones: Farad, Ohm, Henry, ...
!!! Warning !!! Tubes involve high voltages. High voltages are not a
joke, pay particularly attention to capacitors: they keep their high voltages a long time
after you switch off your amp.
SE=Single-Ended, PP=Push-Pull, OTL=Output Transformer Less