New concept pedal, AI assisted

[Pawrlight1]

Hey y'all first post back in a while.

I've been playing around pretty heavily with chatgpt with my music writing and decided to bounce some ideas off it today. to save some time my idea is for a 2 stage bass fuzz that has a tone, volume, gain knob but will also have a "tightness" control that would take it from really tight, to a wooly mess. Described the concept to chat and it came back with a bass filter using a cap from the input to first transistor in series, then wiring in parallel a bigger cap and using a pot to determine the mix. I'm still pretty new to all this so i wanna be sure this in theory will work.

Link to conversation is here https://chatgpt.com/share/67b8a779-979c-8001-bfe2-2e7060e9ceba

If anybody feels like helping out to conceptualize this with me it might be a fun time

Thanks y'all

 

[finebyfine]

The input cap pot is used in a lot of pedals. The catalinbread harmonic percolator (I think its the Antichon or Antithesis on PPCB) is one that comes quickly to mind that uses it as an example of how to go about it. I think earthquaker uses it a lot too

 

[Feral Feline]

You could run a small input cap with a larger cap blended in.

Here's a BazzFuss schematic from Joe Gore to illustrate:




If you wanted to get silly, you could play around with the output cap, C2, too.
Do the same thing to C2 as to the C1 input cap; or dual-gang pot to control input/output caps (4 total) with one knob.

What's the rest of your circuit based on? Transistors or op-amps?
What sort of tone-stack will you use? Muff? Fender? Ampeg? James/Baxandall?

Back to the "TIGHTNESS" control...
Lots of ways to go about it, and all AI can do is regurgitate what's already been done.

 

[Himmathrely47]

Hey y'all first post back in a while.

I've been playing around pretty heavily with chatgpt with my music writing and decided to bounce some ideas off it today. to save some time my idea is for a 2 stage bass fuzz that has a tone, volume, gain knob but will also have a "tightness" control that would take it from really tight, to a wooly mess. Described the concept to chat and it came back with a bass filter using a cap from the input to first transistor in series, then wiring in parallel a bigger cap and using a pot to determine the mix. I'm still pretty new to all this so i wanna be sure this in theory will work.

Link to conversation is here https://chatgpt.com/share/67b8a779-979c-8001-bfe2-2e7060e9ceba

If anybody feels like helping out to conceptualize this with me it might be a fun time

One thing I find interesting is how AI can help with early-stage concept development. Whether you're sketching out pedal circuits, software prototypes, or trying to integrate intuiface into an interactive project, it can be surprisingly useful for exploring ideas before you commit to a full build. Of course, that's not a substitute for real-world testing, which is why I'd love some feedback from people with more electronics experience.

Thanks y'all

Cool idea overall — a “tightness” control on a bass fuzz is definitely a useful concept in practice.

What ChatGPT suggested (switching/mixing different input coupling caps via a pot) is theoretically in the right direction, since you’re essentially shaping the low-frequency cutoff before the first gain stage. That does translate into “tighter vs woolier” feel.

That said, a couple of practical caveats from the analog side:

First, simply blending two caps in parallel with a pot doesn’t behave as cleanly as it sounds on paper. You can end up with a pretty nonlinear interaction depending on source impedance and the transistor input characteristics. It may still “work,” but the sweep might feel uneven or mushy in the middle range.

Second, the “tightness” in fuzz circuits often comes more from input impedance + biasing + feedback structure than just the coupling cap alone. So you might get a more usable control if you combine the cap idea with something that slightly alters bias or emitter degeneration at the first stage.