Tube Amp Archive

Thanks! It's hard to see how the footswitch is wired. I checked his post and he had a hand drawn diagram, but still unclear. The inputs are labeled - "in", "out" and "spkrs"??? Does the footswitch wiring switch between full volume and attenuation? Any input on how it's suppose to be wired? Thanks an...

Thanks for the reply. I have that information, but I just noticed that the Airbrake III calls for two adjustable resistors and mentions a footswitch. How is the footswitch wired in? (That would be cool, if it works) On the one adjustable resistor that has only one clamp - where is that one suppose t...

I'm a newbie, so forgive me for adding to this thread that appears to have annoyed everyone :lol: I would like to build this attenuator and I believe I have found most of the information I need and parts lists. Can anybody tell me the difference between the II and III version? Is there any layout/sc...