Double Pendulum Harmonic Tremolo

ITG6

ITG6

Active member
Finally finished this one tonight. It's been on the workbench waiting for a C50k pot that I could've sworn I had already ordered. No issues putting it together, socketed the LED's and the LDR's in case I wanted to experiment with different parts. Sounds good and has been added to my smaller board. Waiting on some new acrylic markers in the mail so I can label it.
1666843436568.png 1666843454795.png
 
Nice build! I dig the gold enclosure. Excited to get to this one.


scott3t said:
Got one today Where can I find the BOM?
Click to expand...
Start from the single pendulum docs. They seem to have worked for those who came before us.

I imagine there's a drill template kicking around though.
 
Its been a while and I don't remember if I used one or just read the values off the PCB/from the image here:

Missing Build Docs / Schematics

@PedalPCB Could we get the Build docs for the Pro-10 overdrives?
forum.pedalpcb.com forum.pedalpcb.com
 

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Forgive my ignorance but would this pedal allow me to input a mono signal (guitar) and get a stereo panning effect? Are the L and R tremolo effects 180° out of phase from each other? If not, what's the point of this stereo tremolo? Is it just two independent Pendulum Tremolo circuits in one box?
 
rourked98 said:
Forgive my ignorance but would this pedal allow me to input a mono signal (guitar) and get a stereo panning effect? Are the L and R tremolo effects 180° out of phase from each other?
Click to expand...

Yes, the modulation is out of phase between the Left / Right channels.

And yes, you can use a mono guitar input and get a stereo output. It'll also accept a stereo input.
 
Robert said:
Yes, the modulation is out of phase between the Left / Right channels.

And yes, you can use a mono guitar input and get a stereo output. It'll also accept a stereo input.
Click to expand...
Thank you! Does this require a special kind of jack(s) or would 4 standard mono jacks work?
 
For Mono > Stereo you'll want a switching jack for the Right input. (I use switching TRS jacks for everything, just for convenience)

Connect a wire from the Left Input jack Tip to the Right Input jack Switched Tip.

This will send the left signal to the right channel when no cable is plugged into the Right input.


These are the type of jacks I use:
1-4_Jack_Pinout.jpg


www.taydaelectronics.com

6.35mm 1/4" Stereo Phone Jack

Get It Fast - Same Day Shipping
www.taydaelectronics.com www.taydaelectronics.com
 
Having just successfully built this PCB myself, I hope it's also cool to chime in with my questions here, @Robert. If not, happy to make a new thread...

1) The volumes aren't equal, the right side is louder. Should I try a fresh op amp for the left or something?
2) Is it fairly straightforward to increase the amount of Depth? Would it mean a a bigger pot perhaps?
 
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