Table of Contents
PCB board v2.0 (kit from 4ms Pedals)
PCB board "classic"
PCB board v1 (old)
Mods for all boards
Box layouts
Troubleshooting/ Tweaking
Old (obsolete) diagrams
PCB board v2.0 (kit from 4ms Pedals)
Board diagram
Notes on PCB board jumpers
Hardware mounting list
"Standard" 125-C box drill layout
(no mods)
"Works" 7x7 box drill layout
(almost all mods)
Parts Lists
Text parts list
Graphical Parts list 1/2
Graphical Parts list 2/2
Mods 1/3
Mods 2/3
Mods 3/3
Schematic
User Manual
Mods:
Wiring shortcuts and Dual Cross mod
Note: Linnet Cross and Gale Cross should be 100k audio
Wave and Symmetry mods
Ring mod, Aux Vol mod
Drum triggers, Bypass mods
Range switches
Expression pedal jacks
Purchase kit from 4ms Pedals
PCB board "classic"
Board diagram
(point-to-point boards)
Board diagram
(etched copper boards)
Expanded diagram 1 of 2
Expanded diagram 2 of 2
Lots of triwave boards to print out
Wiring the pots
Parts list
Hardware mounting list
Mods:
Drum triggers
Ring mod/volume to pitch
Aux blend/volume
Cross mod and dual cross mod
Waveshapers with symmetry and rise/fall
Symmetry (no waveshapers)
Rise/fall (no waveshapers)
PCB board v1 (old)
Board diagram (pcb)
Ring mod
Vector board layout
Dual Drum trigger/aux input
Vector board layout (ignore the note “remember that V+....”)
Mods for all boards
Stereo output mod
Dual VU meters
LFO reset buttons
Expression pedal blend
Box layouts
Taiwanese 125C: 7"x4"
Hammond 1590U: 4.7"x4.7"
Junction box: 4" square
Troubleshooting/ Tweaking
Schematic
Tweaking guide page 1
Tweaking guide page 2
Tweaking guide page 3
Tweaking diagram
Old (obsolete) diagrams
MKI Electronics diagram
MKI Expanded diagram
Photo of a completed mkI triwave board
Schematic for old triwave
thanks to Hemmo
Perf board layout
thanks to Mitchell Hudson