This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.

Wednesday, September 7, 2016

CultureJam Triton Delay

Here's nice delay from CultureJam. It's based on the Rebote 2.5 delay and has a lot in common with many other PT2399 delays. However...

The Triton, diverges from the base concept by adding a second Delay Time potentiometer and a unique (in the DIY world) modulation effect. The Delay pots are selectable via footswitch (latching), and when switching from one time setting to the other, the delay time change happens slowly, just as if you were manually turning the delay time pot on a standard delay pedal. This causes a gradual pitch bend that slowly resolves to unison if a note or chord is struck and held when toggling between Delay pots. To control the speed of the pitch bend/resolve, there is a pot labelled “Slow”. Making the transition speed slower also makes overall delay time longer.

This is version 3.1 of the Triton, and includes all controls externally (the original PCB by Pickdropper had the Tone pot as a trimmer). Here's the schematic for reference, and the demo below is of an older version, but you get the idea.





In case it's not clear in the layout, the Time Switch is the 2nd footswitch.

31 comments:

  1. the regen control can get to self ocilation or infinite repeats?

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    1. My guess would be yes, but I honestly don't know and can't remember if CultureJam mentioned that in his original build doc.

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  2. Love reading your blog, thanks for the share!
    Adrianna

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  3. not working. :( The signal is passing through the circuit but no effect.

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    1. It happens to me when I forgot to put the transistor. Mine is working great.

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  4. It's verified. Love this delay. It works great with other pedals.

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  5. In my construction the delay repeats only once. Regen has no effect.

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    1. Check the regen pot with an audio probe

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    2. Or multimeter? I can only think that you would get just 1 repeat if the delay is not feeding back into itself at all. If im correct in assuming that the regen knob is just a volume pot which is routed back into the delay. test the resistance between soem stuff to see if it works, look at the schematic

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    3. This comment has been removed by the author.

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  6. Thanks! My best build ever! Sounds really awesome!

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  7. Does anyone get infinite repeats?

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  8. Greetings !!! I built this delay...
    big big sound, beautiful effect !!!
    I wanted to ask if it was possible to get endless repetitions?
    the feedback is short even if the potentiometer is turned completely....Thanks

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  9. Greetings and Happy Holidays !!!!
    VERIFIED !!!! good effect and work well !
    I changed the resistor 22k before regen 3
    I put a 10k resistor
    infinite repets go with tone potentiometer open together r r r r r r r
    Thanks !!!

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  10. This pedal looks super cool. I would love to have a seperate feedback control for each of the the time delays. That way I would be able to switch between a short slapback delay and an echo type effect. Anyone out there have an idea?

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    1. If you look at the schematic, and use a 3pdt for the time switch, you see theres a pole left without use so, theres where you can have separate feedback control, such as the time controls.

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  11. Is there a working link gurreny for this schematic? Im not having any luck with the one in the description. Gracias

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  12. Built it, sounds great but I'm getting some pop when engaging. Is there a pulldown resistor already on the board? Thanks so much for the awesome site!

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    1. Fixed it, added a 1m pulldown resistor on the input jack tip and sleeve (ground)

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  13. How can I get more highs in tone pot?

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  14. hi i'm getting signal passing though but no effect i checked my voltage regulator and getting a reading of 05.01v on the output i'm assuming that's correct i've got some pt2399 from china thought they might be fake so swapped out for an SMD from bitsbox on a adaptor still no joy any ideas on what to do iv'e used multiple chips and not had any joy

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  15. Thanks! It is possible to add the bontempo to this delay? Just solder the out directly to the pin 6 of the PT2399? And what about the real life size of the pcb?

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  17. Ive been fighting this for a bit. Essentially I have only clean signal. Ive checked and triple checked for bridges, orientations. Reseated ics and swapped them. Ive got 5 volts after the regulator. Checked pots. No success. The only thing that happens is that when i first power it on I get an oscillating grumble that descends in pitch for about 4 seconds then it disappears. Anyone else struggle with this thing or have any insight?

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    1. Your PT2399 could be locked up. If you've got it in a socket try a different one.

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    2. Ive fixed the issue. It was the socket itself. Seems to muddy the clean alot. How can I remedy that?

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