Run Off Groove UBE Screamer

ROG UBE Screamer 517af73a6b14

Apparently it’s Tube Screamer week. This is Run Off Groove’s adaption of the classic overdrive to work around a CD4049UBE CMOS chip. More info, schematic and sound clip here. As you can see in the schematic, there’s a resistor (RX) where different values will work for different guitar pickup types: 100k for single coils, 220k … Read more

Apocalypse Audio 4 Horsemen

Apocalypse Audio 4 Horsemen 04f6a73008b2

One last one, for tonight. From RnFR: well, i came up with another dirt pedal the other day.  lately, i’ve been experimenting with mixing different types of transistors together to achieve new tones, and this one kind of  takes that idea to the extreme.  it’s designed under the premise that the stages increase in breakup … Read more