Dan0h
Well-known member
So my goal was just to tweak with sushi-box’s Space heater circuit to cut out some of the low end. (Successful with a simple switchable High pass dropping at about 105hz at the end of the circuit - by the way sounds delicious) But then I thought why not breadboard all the classic amp preamps and just take what I like from each one.
Well, I did my West’s preamp which an exact copy of the BlackVibe preamp which is a copy of Fender’s Vibrolux/ Deluxe preamp… starting to get the picture here. All this stuff is literally just copy’s and tweaks of the originals. Long story short it sounds so good I am having a hard time taking it apart to try out the Dumble Ods, the Ac30, and the Marshall preamps. I literally can’t understand how just a couple of caps resistors and a single tube can sound so good, but then I remember a lot of my favorite sounding pedals are very component minimal as well. For this Fender circuit I kept the same high pass in place and added another 1m pot before it as a master volume. So the normal volume after the tone stack and before the second gain stage acts as the gain. Cranked it has some delicious tube drive going on and lower it has that lovely glassy fender sound I’ve been chasing. There is for sure a sweet spot on the HV as too much voltage sounds noisy and too little sounds pale and weak. But in that money spot it comes alive like it should and rips!
Cheers again to @Robert for letting me try out one of his adjustable HV boards. Super fun making all this stuff work and playing around with different values and learning.
My game plan was to make one Perf board tube pedal, but I am starting to think I might end up making several different ones… gotta have flavors you know…
Well, I did my West’s preamp which an exact copy of the BlackVibe preamp which is a copy of Fender’s Vibrolux/ Deluxe preamp… starting to get the picture here. All this stuff is literally just copy’s and tweaks of the originals. Long story short it sounds so good I am having a hard time taking it apart to try out the Dumble Ods, the Ac30, and the Marshall preamps. I literally can’t understand how just a couple of caps resistors and a single tube can sound so good, but then I remember a lot of my favorite sounding pedals are very component minimal as well. For this Fender circuit I kept the same high pass in place and added another 1m pot before it as a master volume. So the normal volume after the tone stack and before the second gain stage acts as the gain. Cranked it has some delicious tube drive going on and lower it has that lovely glassy fender sound I’ve been chasing. There is for sure a sweet spot on the HV as too much voltage sounds noisy and too little sounds pale and weak. But in that money spot it comes alive like it should and rips!
Cheers again to @Robert for letting me try out one of his adjustable HV boards. Super fun making all this stuff work and playing around with different values and learning.
My game plan was to make one Perf board tube pedal, but I am starting to think I might end up making several different ones… gotta have flavors you know…
