![]() ![]() PedalPCB is very helpful and open to suggestions (like putting the labels on the drill template so I know how to label my bulds, thank you). ![]() The people on the board are great at helping out as well, and Mr. And while some might see that as harsh… it is really good advice and I have learned more from looking up datasheets and searching google to answer my own questions. You will also periodically get a “look at the data sheet”. Part sourcing and/or substitution are also not in the document, you will have to check the forum. You will not even get what is it a clone of, you will beed to go to the site for that. They are meant to be accurate representations of the pedals they are compared to. I believe that most of the board are based on traces that they have done themselves. I would classify pedalPCB as being more for the intermediate and above pedal builder. The forum is an excellent place to get help, show off, and talk about pedals and building. All in all, it is a 'pro tool' type of control that each player can set to their own subjective taste.Let me start off by saying I love the PedalPCB community. Most players find a 'sweet spot' about 2:30 - 3 o'clock on the control. It does not change the EQ directly but because the way the tube responds can be varied you will hear EQ differences at various settings. Technically it varies the electrical 'strength' of the tube and that affects gain, texture and dynamics. The Bias control also adds dynamics and allows you to custom match your Tube Driver for any particular pickup/amp combination. Just go up or down a few clicks and he nails what he wants. Eric Johnson used to spend a lot of time looking for perfect tubes to use in his standard Tube Drivers, but now he can just set the bias easily with the stock tube. The Bias control is very helpful as it adjusts the amount of current applied to the cathode of the tube. David Gilmour, Joe Satriani, Billy Gibbons and many other pros now use the Bias mod. Now he uses a Bias mod Tube Driver on stage. This saved him from sorting through literally hundreds of tubes to find the exact one he wanted. My solution was to install a 5th control that controls the tube cathode current and enables him to ‘dial in’ the tube characteristics he wanted. ![]() Years ago, Eric Johnson requested that I install an extra pot in some of his Tube Drivers to help him match the tube response to his super critical hands and ears. Mine has the 5th knob mod to control the tube cathode current. I have a Butler Tube Driver, here's the schematic: ![]()
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