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PROJECT NAME
CELERITAS
BASED ON
Greer Lightspeed
EFFECT TYPE
Overdrive
PROJECT SUMMARY
A high-end transparent overdrive with low parts count inspired by the Timmy and Zendrive.
Actual size is 2.3" x 1.86" (main board) and 2.3" x 0.86" (bypass board).
CELERITAS ORGANIC OVERDRIVE
BUILD DIFFICULTY
Beginner
DOCUMENT VERSION
1.0.0 (2024-11-29)
1
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Table of Contents
Related Manuals for aion Celeritas
Summary of Contents for aion Celeritas
- Page 1 EFFECT TYPE DOCUMENT VERSION Overdrive 1.0.0 (2024-11-29) PROJECT SUMMARY A high-end transparent overdrive with low parts count inspired by the Timmy and Zendrive. Actual size is 2.3” x 1.86” (main board) and 2.3” x 0.86” (bypass board). CELERITAS ORGANIC OVERDRIVE...
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Page 2: Table Of Contents
While not terribly innovative, the Lightspeed circuit is very carefully tuned and has earned its spot on the pedalboards of many A-list musicians. The Celeritas is a straightforward adaptation with no modifications other than some tweaks to the power supply for consistency with other Aion FX projects. -
Page 3: Parts List
Power supply filter capacitor. 1N5817 Schottky diode, DO-41 1N914 Fast-switching diode, DO-35 1N914 Fast-switching diode, DO-35 1N914 Fast-switching diode, DO-35 1N914 Fast-switching diode, DO-35 1N914 Fast-switching diode, DO-35 OPA2134 Operational amplifier, dual, DIP8 IC1-S DIP-8 socket IC socket, DIP-8 CELERITAS ORGANIC OVERDRIVE... - Page 4 DC jack, 2.1mm panel mount Mouser 163-4302-E or equivalent. BATT Battery snap 9V battery snap Optional. Use the soft plastic type—the hard-shell type will not fit. 3PDT Stomp switch, 3PDT 125B Enclosure, die-cast aluminum Can also use a Hammond 1590N1. CELERITAS ORGANIC OVERDRIVE...
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Page 5: Build Notes
The pedal is a cheap enough build overall, so we recommend keeping it the same as the original, but if you want to save a few dollars, you can use any other dual op-amp instead. Something like the TL072 or NE5532 should work similarly. CELERITAS ORGANIC OVERDRIVE... -
Page 6: Schematic
SCHEMATIC 1N5817 100uF 47uF 100n IC1A IC1B OPA2134A OPA2134A 100pF 1N914 220n 470n DRIVE 500kA CELERITAS ORGANIC OVERDRIVE... -
Page 7: Drill Template
INCH 0.625” 0.625” ø3/8” ø3/8” ø1/2” VOLUME DRIVE x: -0.65, y: +1.71 x: 0.65, y: +1.71 ø9/32” ø9/32” TONE x: 0, y: +0.66 ø9/32” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” CELERITAS ORGANIC OVERDRIVE... -
Page 8: Enclosure Layout
ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B CELERITAS ORGANIC OVERDRIVE... -
Page 9: Wiring Diagram
GND +V +V JACK GND JACK GND GND PCB 125B Shown with optional 9V battery. If battery is omitted, both jacks can be mono rather than one being stereo. Leave the far-right lug of the DC jack unconnected. CELERITAS ORGANIC OVERDRIVE... -
Page 10: Document Revisions
(In other words: you don’t have to go out of your way to advertise the fact that you use these PCBs, but please don’t go out of your way to hide it. The guitar effects industry needs more transparency, not less!) DOCUMENT REVISIONS 1.0.0 (2024-11-29) Initial release. CELERITAS ORGANIC OVERDRIVE...
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