Steaming Kettle Overdrive
The Steaming Kettle is a unique overdrive that features standard Gain, Tone and Volume pots, but also features a pair of switches which give greater tonal flexibility. This is a more advanced build,...
View ArticleSoft Sustain Drive
The Soft Sustain Drive uses a pair of Single Op Amps with clipping from the signal path to ground. It’s about as versatile as any drive pedal can be – from clean boost right through to serious...
View ArticleMoon Lander
The Moon Lander is a clone of a heavily modified ‘Classic Fuzz’ circuit. This version provides some extra controls to really dial in a huge variety of sounds. You can get the ‘Classic Fuzz’ type...
View ArticleHooDoo Drive
The HooDoo Drive is a unique overdrive in that it doesn’t feature a tone knob. This straight up Gain and Volume controlled overdrive is perfect for a light amount of overdrive or boost on your signal....
View ArticleHappy Birthday Overdrive
The Happy Birthday Overdrive uses a Single Op-Amp for the distortion section and a JFet transistor for a makeup gain after a very unique tone section, which also affects the drive at the output. It’s a...
View ArticleFuzzy Muff
This classic circuit is where the Muff sound all began! A precursor to the original Muff circuit, this effect combines the fuzz and overdrive types of effects, is very easy to build, and sounds...
View ArticleExpandora
The Expandora is a clone of an out of production pedal, made most famous in it’s use by the guitarist from ZZ Top. This unique distortion device features standard Gain, Tone and Volume Knobs, along...
View ArticleClean Drive
The Clean Drive takes the classic Dual Op-Amp Overdrive circuit and adds the spin of a ‘clean’ knob. The Clean control blends out the overdrive and tone section, creating the ability to go from a clean...
View ArticleBig Bass Drive
The Big Bass Drive is the first Bass specific project available from JMK PCBs! This monster of an overdrive is perfectly suited for the low end of a Bass Guitar signal, and provides lots of nasty grit...
View ArticleAC/DC Drive
The AC/DC Drive uses a Baxandall Tone stock to create unparalleled tonal control over the typical dual op-amp structured overdrive circuit. Coupled with the vast array of options for the values you can...
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