Caline Mark 4
Got a request for this and an interesting circuit. Apparently it’s a simplified version of the MI Audio Tube Zone. Should be a good jumping off point for modding. Schematic on FSB.
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Menatone Pig
Came across this one and it’s an interesting JFET-based OD with active bass and treble controls. It’s apparently based on a late-60s Marshall 200 amp. Drew up the schematic for reference. I believe the originals run off a 9v supply, but newer ones have a voltage doubler internally to run off 18v. Since I know … Read more
Function F(x) Clusterfuzz
This Fuzz Friday I present you the Clusterfuzz from good dudes at Function F(x). It’s a great sounding fuzz and really versatile. You might be able to squeeze this into a 125B if you can squeeze the rotary and toggle switches under the board. Otherwise a 1590BB like the original is probably the way to … Read more
Mini BassDrive
This is an adaption of the Fulltone Bassdrive without the boost footswitch, allowing for a smaller enclosure. I got the idea from a comment by Simão on the Fulldrive 2 post, and I though it could prove useful for my fellow bassists. Like the Fulldrive/Bassdrive, it’s modded Tube Screamer with clipping and voicing options with … Read more
Baja Optical Limiter
Here’s one of Bajaman’s non-amp emulating circuits, the Optical Limiter. It’s based on the Demeter Compulator, but is not a compressor but a limiter. What’s the difference? The ratio is the main difference between a compressor and a limiter. A compressor has a low ratio that turns down SOME of the volume when it goes above the threshold. A limiter has a … Read more
Wampler Pantheon
The Pantheon is Brian Wampler’s take on the classic Bluesbreaker circuit. It adds some of the mods from the King of Tone as well as a Baxendall tone stack for the Bass control (the would be treble control of the Baxendall is fixed) and a gain switch to set different min/max settings of the Drive … Read more
Human Gear Animato
Got a request for this one, and it’s an interesting Big Muff variant. If you’re a fan of Muse you’re probably already familiar with this one. There’s a germanium input stage followed by a fairly standard Big Muff circuit. Here’s the schematic for reference. It would be a tight squeeze in a 1590B even if you … Read more
Noise Gate
Here’s an interesting and fairly simple noise gate circuit sent to me by Stanik Nupel from a Polish electronics book. Schematic and Stanik’s original layout can be found here. The switch isn’t in his original layout, so it may not be all that necessary. It’ll be a tight squeeze in a 1590B, but should fit … Read more
BearFoot FX Honey Beest
This one just got traced over on FSB. Apparently the heaviest of Bjorn’s Honey designs. Here’s the schematic for reference. Note: In the schematic the source and drain on Q1-2 are reversed from the way they are normally oriented, but I recently learned JFETs are generally symmetrical and will work either way. The original is built … Read more
GoosoniqueWorx Seventh Heaven
Got a request for this one. It’s apparently a modified Bogner Ecstasy Red, which is a JFET adaption of the Red channel on the Bogner Ecstasy amp. Since it uses 2 footswitches, I went ahead and designed the board for a 1590BB with all 6 pots board mounted. The boost switch uses one side of … Read more