ReValver

Have you ever been playing your favorite pedal, or any pedal for that matter, and thought to yourself "gee, this sure would sound better with tubes"? Well with the ReValver now (almost) any pedal can have a tube! I say 'almost' as I've tried all my pedals and while they all work, not all sound great. I tore apart Matsumin's ValveCaster circuit and did a little experimenting. Essentially adding a send and return into the middle of the valve circuit, injecting whatever effect into the 12au7 and adding that "warm" tube sound to say a...fuzz or a....delay.....or a flanger...etc.

Ruby Amplifier

Not the greatest little practice amp but it's a cool project nonetheless. Only capable of roughly 1/2watt it's best suited for small speakers, large speakers will work too however. Low parts count and a quick build. Originally designed by RunOffGroove as an updated version of their "Little Gem" amplifier. I needed this when I was trying to design the layout for the "What Goes Up Must Come Down v1".

What Goes Up Must Come Down V1

My second little 'tube amp', this time with onboard tremolo! Now it's not great but it gets the job done... I suppose. Tube really needs to be a 12au7, and the IC needs to be the LM386N-3. The LM386N-1 will work but it has a slightly lower output capability. Speaker is 8ohms. These little amp ICs are really good at small speakers but if you want something a tad more useable I suggest building version 2 of this design.