Build Reports

Showing 7 build reports for the Titan project. Submit yours →

decsnspace
Score:
6

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OCD Clone

Project: Titan (Voodoo Lab Overdrive)

Build description

Love these layouts by Aion! Tons of options and extremely easy to wire up, drill, box up and mod. This is an awesome distortion pedal! I still need to A-B it to a friends OCD but from memory it is very much in the same ballpark. Very happy with this pedal and all the tonal options and it is definitely going straight on my pedal board!

Modifications or part substitutions

I initially built this pedal with the TC1044 to convert the 9 volt input to 18 volts. However, I decided to revert it back to 9 volt wiring to allow the option of running the pedal with either a 9 or 18 volt input as I have both output options on my current pedalboard power supply. Hence, why there is an empty socket in the build pic for IC2.
A word of caution if you decide to wire the pedal in this way, you’ll need to change D1 as the 1n4742 is a 12 volt zener and only needed if wiring with the charge pump. Thanks to info provided from Aion, I went ahead and replaced D1 with a 1n4001 and the pedal now works great with either input voltage!

Pat
Score:
6

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Living with OCD

Project: Titan (Voodoo Lab Overdrive)

Build description

Great quality board and fantastic build documentation. Everything is enclosure-mounted, hence the extra wires. Far easier and cleaner to use pcb mounted pots and switches as Kevin advises. I used the wrong cap values for C2 and C5 and initially had no drive effect. Thanks to Kevin for catching that. With the correct values, this thing sings! Used LED’s for second clipping section.

Modifications or part substitutions

No mods.

Manuel
Score:
6

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OCDNOSIL

Project: Titan (Voodoo Lab Overdrive)

Build description

First of all, I have to say that Titan project is a fantastic OD pedal, with rich tone and extremely versatile.
I made a sort of connectors to completely unmount the circuit for working easily while modifying, upgrading, etc… Well, aesthetically is not so nice, but it’s convenient.

I put a battery connection too (sometimes I need…), but there’s different tone whereas pedal is 9V battery or power supply connected. In the second case tone is warmer and harmonically richer.

You can notice C7 capacitor has a not perfect soldering: I recovered some components from dismissed electronic parts during equipment revamping in my workin place (industrial control room).
I like to think that something during years I used to work, now serve me a beautiful tone when playing guitar.

CHITO
Score:
5

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CLASH OF THE TITANS

Project: Titan (Voodoo Lab Overdrive)

Build description

I used high quality parts on this project starting with the 1% metal resistors meticulously measuring the exact value of each before populating the board. I chose the 18V option for the built-in power supply conversion. CDE dipped mica caps were used in place of the MLCC & so with C4 & C5 & a solid polymer cap on C3. Capacitors 10, 11 & 12 are miniature Panasonic electros. The rest of the caps are either Panasonic or Wima brands, all within 5% tolerances. 5mm Kingbright brand LEDs were used for the alternate clippers. All the part values are the same as designed by AION. SPDTs are all “center-off”. The AION recommended OpAmp was installed.

Lastly, I installed Small Bear’s light plate. It makes your pedal look sooooo cool!

Equipment used: Marshall JVM 205H head / Marshall 1960A cab / 1997 Fender Strat Ultra & 1988 Fender HM Strat both with Seymour Duncan “Everything Axe” pickup set / ESP JH-600 with 2 EMG humbuckers. Only Titan is connected.

TEST RESULTS: A very quiet project circuit even with the Drive at full setting & with the Volume at 50%. A killer tone for both rhythm & lead parts. The HP/LP feature is very discernible. I also noticed that the volume of the red LED clippers is better & louder than the IN4148 on this circuit. The Tone control is very effective. This is so far the best-sounding DIY overdrive/distortion I have assembled. A great circuit design!

Thanks to Kevin for improving the design of DIY pedal circuits.

Titan builders…..we wanna hear from you!

dani_boy79
Score:
3

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OCD Build

Project: Titan (Voodoo Lab Overdrive)
Variant: 18V option with both Toggle Switch options included.

Build description

Build went smoothly. This is actually the Second(or Third) Aion Project I have worked on. Fantastic Quality PCBs, with great Build documentation also! I was able to source all the parts easily on Smallbear & Mouser.

Benj
Score:
2

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Titan OCD overdrive

Project: Titan (Voodoo Lab Overdrive)

Build description

Build was flawless with a great documentation. The pcb layout is great and the pcb is a joy to work on.
The pedal is in a boss enclosure that I will eventually repaint, but it looks pretty nice, I even had the 3PDT switch working with a slight adjustment!
I did not take advantage of the pcb mounted pots and switches, so some extra wires in there.

The pedal sounds ace, all the knows are very effective, after realizing the tone knob needed a jumper as per the project page.
Overall very satisfied with this build, thanks for a great design!

Coachseeley
Score:
2

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A TITAN of troubleshooting

Project: Titan (Voodoo Lab Overdrive)
Variant: 9V with D2 Jumper

Build description

Originally set out to build the “famous” OCD V2. Elected not to use the Germanium diode because I read it made the pedal sound too fizzy. After emailing with Kevin and talking with a buddy, I decided to build the 18V version.
After a late evening completion, the 18V pedal sounded amazing straight into my EVJ. I couldn’t wait to experiment with stacking this pedal with other ODs I have on tap.
However, woke up the next morning with one thing on my mind, and low and behold… the pedal didn’t work. Had a booger of a time troubleshooting it. Every time I plugged it into my pedal power supply, the LED (on power supply) would go out. Uh oh! Went in and checked all the pads, re-flowed a few of them and nothing… Then, I was toning for continuity and testing LED. After replacing the LED twice (after noticing the LED would work before and after I mounted it on the PCB), my resource told me it had to be something on the power side. Traced the power side through, and realized that I most likely fried the OpAmp doubler – ah crap! It was socketed, and it was originally installed last – but I forgot to remove it when I was tinkering with it. (I still don’t know why it didn’t work when I tried to fire it up this morning).
Because I fried the doubler, I set out to convert the fully wired up 18V version back to 9V. Removed 18V jumper (installed 9V jumper instead). Then, pulled the 1044, C10, and D5 and D6. A huge thanks to “decsnspace” because I remember reading his build report before I started building – and I went back to find his report to learn that if I’m running the 9V version, I needed to swap out the 12V Zener for a good ol’ 1n4001.
After several hours of tinkering, troubleshooting and learning… the pedal is fully functional, and has a great tone.
I will comment that the 9V version is a little more raspy than the 18V version. I “hear” (pun intended) that 18V will generally have a bigger bottom end and less ragged compression on top.
Overall, a fun project – and my original intent is to stack this Titan with another one of my Aion OD clones. I have a super transparent Cerulean (Morning Glory/Zendrive) that I can’t wait to put in front of the Titan.
Thanks again Kevin for making this project possible. Thanks to the other builders for your thorough comments and build reports.

Modifications or part substitutions

10k – RX1
1k – RX2
2m2 – RPD
Tantalum – C7
9V version
Jumper on D2
I wanted to try the 25kB tone pot, but suppliers were out of them.