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Hi all, I recently drew up and built a circuit for the cardinal tremolo by 1776 effects but I’m having some issues. The sound produced sounds extremely distorted and there is no modulation in the sound. I followed the bias tutorial on YouTube before testing and I’m fairly confident my soldering...

Hi all, a question for anyone more technically minded than me (all of you) I want to add a switch to my PedalPCB pendulum pedal, similar to the switch on the Supro harmonic tremolo, which changes between harmonic tremolo and the more standard 'amplitude' tremolo. I've mocked up the below so...

Hi all, I’m plagued by an issue with some optical tremolos which I can’t seem to resolve, where I am hearing a ‘fizz’ in the tremolo when guitar signal is passed through. In some cases the fizz is only present in the peaks, when the volume is at the highest, but in the sound clip I just recorded...

hi all, im looking to build a 10 band eq based on the 6 band eq pcb. im wondering if this would be achievable just by adding another tl074 quad opamp? would it work if i added another tl074 and bandpass filters like the below, and then adjusted the values of the existing ones to new frequencies...

Hi all, Having a small issue with the pendulum harmonic tremolo circuit. The effect seems to be working fine, I swapped the volume pot out for an A50K to limit the volume a bit and it sounds great. The issue is that when my guitar volume is at max there’s a crackle on the string attack. This...

Hi all, Ive been having an issue with a clone of the hydra - i drew this up in diptrace and ordered some boards from JLC. Side note that this is a one off gift for a friend lol I already have a hydra i built with a PCB from pedalPCB, and i managed to get this one working just the same until...

Hi all, I’m having an issue with my hydra circuit where the speed control is acting as a tone control instead of a speed/time control. When turning the ‘speed’ knob up, the delayed signal sounds filtered rather than any change to the time between repeats. The rest of the circuit works as...

Hi all, I just finished building my 1st FV-1 build - the hydra delay - and I’m struggling with a few issues. All of the controls and delay heads of the pedal work and I followed the build documents without any modifications (until I switched it on and had some issues) but the problem I have is...