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Table of Contents
Related Manuals for Lithium Grim OmniWah
Summary of Contents for Lithium Grim OmniWah
- Page 1 OmniWah Building instructions v1.0...
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Page 2: Table Of Contents
OmniWah v1.0 Table of contents PCB layout ............................... 3 Build options ............................4 Vintage Wahs ............................4 Modern signature Wahs ........................4 Components ............................5 Modifications ............................7 Mix and match ............................. 7 Sweep board ............................7 Mechanical Sweeprange mod ......................7 Build sequence ............................ -
Page 3: Pcb Layout
OmniWah v1.0 PCB layout Dimensions: 50 mm x 50 mm 1.97 inch x 1.97 inch Manufacturers and product names are mentioned solely for circuit identification, and where applicable their trademarks are the property of their respective owners who are in no way associated or affiliated with the author. No cooperation or endorsement... -
Page 4: Build Options
OmniWah v1.0 Build options This PCB can be used to mimic a wide range of vintage and modern wahs. In the components section the following abbreviations will be used: Vintage Wahs Thomas: Thomas Organ CryBaby Grey: Vox Grey Wah ... -
Page 5: Components
OmniWah v1.0 Components Thomas Grey v847 Color Shin BG-1 jump jump jump jump jump jump 220n 220n 220n 220n 200n 220n 220n 220n 220n 200n jump jump jump jump jump jump 500mH 250mH 500mH 550mH 500mH 500mH 100k 470R 470R... - Page 6 OmniWah v1.0 JH-1 ZW-45 DB-1 JC-95 Omni 100n 100n 100n 100n 100n jump jump jump jump jump 100u 100u 100u 100u 100u 220n 220n 220n 220n 220n 220n 220n 220n 220n 220n ZL9M3 ZL9M3 500mH 500mH 535mH 500mH 500mH B100k...
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Page 7: Modifications
OmniWah v1.0 Modifications Mix and match You could mix a few options of different versions to get your own custom effect. I think it would be a good idea to add R1 (pull down resistor) and P2 (Gain) to all types. This way you can reduce the pop when switching on the effect and add a gain control that influence the tone of the wah. -
Page 8: Build Sequence
OmniWah v1.0 Build sequence Soldering this board can be very complicated for some people since the solder pads are very close together. Use a magnifying glass to make the job easier. The trick to soldering a PCB is to work from small to big components. -
Page 9: Off Board Wiring
OmniWah v1.0 Off board wiring Potentiometers In the pictures below you see the correct pin numbering of the pots (Alpha 16mm style). Solder the wires accordingly and it is always a good idea to twist the wires together to create a sort of extra shielding against external noise. -
Page 10: Footswitches And Stargrounding
OmniWah v1.0 Footswitches and stargrounding R led Sleeve Ring Sleeve Note that R led is a 4k7 resistors. You can change this value depending on the type of LED you use but 4k7 is safe enough for almost all LEDs @ 9V. -
Page 11: Troubleshooting
OmniWah v1.0 Troubleshooting All PCB’s have been 100% factory e-tested and out of every batch I receive I build an effect to double check, so there should not be a connection problem on the PCB itself. The board is not working (at all), what now? ... -
Page 12: Schematic
OmniWah v1.0 Schematic Manufacturers and product names are mentioned solely for circuit identification, and where applicable their trademarks are the property of their respective owners who are in no way associated or affiliated with the author. No cooperation or endorsement...