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Hello all, I have a question about changing the frequency of 6.4K. According to the schematic the other frequencies could be calculated as bandpass EQ but I couldn't understand 6.4k as there is no IC for it. Could you please explain how to achieve to 4K instead of 6.4k with the logic?

Hello, I don't know here is the good place to discuss but let me know if I need to move the post. My question is 9vdc filtering. I am checking different Analogman King of Tone, Prince of Tone schematics and I see some differences to handle 9vdc but I couldn't understand why. Could you please...

Hello, I have an issue with my Six String Stinger build. I have already searched in the forum and see that there are others who have the same issue. When I compare with the original one, output is missing, when I dimmed volume and gain it is still less than original volume and gain 12 o'clock...

Hello all, After 2 days of trying to find the problem, I have nothing, I am desperate and really need your help. This is a PCB Guitar Mania's Kot which there is a 18v charge pump. Both switches work fine with leds, there is a sound in bypass but there is no sound when I engaged, both channels...

Hello all, I just finished the Abyss. I just discovered that there is a strange noise issue on the repeats when the level knob between 14 and 16 o'clock otherwise everything is fine . Any idea what could be the issue? I don't know what to share in that case with you to do a trouble shooting...

Hello all, I have some questions about Paragon schematic and components as I am new and deep dive on King of Tone universe:) I am sorry if my questions have already discussed. Probably some values are changed in time as improvement or when people share their own tracing but here they are: Why...

Hello all, I have question about how to separate the channels for a combo pedal such as king of tone. I can add 4 jacks to connect each channel's inputs and outputs separately but I couldn't figure out how to wire the jacks to accept 1 input and 1 output as normal way. Any idea? Thanks in advance

Hello all, I just did the Keeley Phat mod to Cobalt Drive. I used 33nf as C14 and use spdt switch to add 68nf in parallel. Frankly I couldn't hear really the differences on the bass frequence. Am I doing something wrong?

Hello all, I am building Tommy III using 3pdt board. The problem is 3pdt switch works well to turn off and on the pedal but led is always on. Tried to find the problem but couldn't have any clue. Could it be the 3pdt switch? Could you please help me to solve it? Thanks in advance.