Triungulo Lab Ensemble Crunch
Here is a variation of the pre amp found in Roland/Boss CE-1. Note that the diode 1, 2 and the crunch switch is optional. Big thanks to Lorenzo for the schematic and for verifying this layout!
Booster
Boss FA-1 FET Amplifier
Slightly modified, subbing the two single op amps of the original to a dual. 1458 or 4558 should match the spec of the original ones.
Echoplex EP-3 Pre Amp / Aion Ares
Aions Ares project which is based on Echoplex EP-3 Pre Amp which includes an onboard voltage doubler for more headroom. Schematic and info on J FET selection avaiable HERE. ‘Note that there is two ground connections on the board, the purpose is to reduce any potential noise from the charge pump. Those wires can be … Read more
Hudson Electronics Broadcast 9v/24v
This pedal comes in two options, one that has an onboard charge pump for 24v operation and one without so here is two layouts for it…. *Edit* 9v version is now verified.
Roland AF-100 Bee Baa Layout 2
Had an old unverified layout that were pretty much trash. Got a request to build a stock Bee Baa so I drew a new layout for it. One useful mod is to raise the overall output for the fuzz section by jumper 47k and 68k resistors connecting to the Volume control on the on the … Read more
Fender Blender 3-knob Booster
This one is my favorite clean boost of all time and it is lifted from the obscure forgotten 3 knob Fender Blender. This rare bird had four tone settings; a great clean and poweful J FET based boost and three weak fuzz settings. The 2N5925 FET might be a bit hard to source but a … Read more