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  1. C

    Anybody willing to explain the Oxide (Ibanez Mostortion) 3-band EQ circuit to me?

    Hi, Would like to learn more about the 3 band EQ on the Oxide (Ibanez Mostortion) - I can't seem to wrap my head around how the circuit works. Interested specifically in learning more about which components determine the frequency range of each band of the passive EQ, as I'd like to play around...
  2. C

    Feedback on schematic for a simplified Op Amp Muff variant

    I wanted to simplify the Op Amp Big Muff to bias both op amps at +4.5 and to replace the tone control with a simple shelving filter. I also did slightly asymmetric LED clipping instead of the 4148s. I got proto boards made and they sort of work... loud, low rumbling noise in the background and...
  3. C

    Marker for noting serial number on PCB?

    I've got some PCBs made for a run of pedals, and I included your standard white rectangle on the silkscreen layer for a serial number. I've noticed on my prototypes that Sharpie does not stick to whatever ink they use for the silkscreen - it rubs off at the slightest handling. Just curious if...
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    ON/OFF/ON switch sanity check - are these two schematics equivalent?

    I'm 99% sure this is the dumbest question of the day, but these two arrangements of an ON/OFF/ON in relation to a pair of hard clipping diodes are functionally identical and both "correct", right? The objective is center disconnected, one side connected through a limiting resistor, and the other...
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    Diode Identification - Way Huge Conspiracy Theory

    Hello all - curious if anybody could visually identify the diodes used in my Way Huge Conspiracy Theory, which is their Klone. Attached are a couple photos. I’m going to pop one of them out and measure it on my Peak but I was just wondering if anybody might recognize this diode off the top of...
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    Blue Breaker help - weak signal

    Hi there, Having some issues with my Blue Breaker build. Technically my second one - I built one as a trial run to get my soldering technique down. I put it all together and I got sound in bypass, and power/LED when on but weak signal. I get about unity gain with the volume and gain controls...
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