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    Possible stupid question on the EP preamp pedals…but imma ask it anyways!

    Ok, so just to clarify, I’m guessing the higher voltage contributes to the higher impedance and higher current, which contributes to the signature sound of the circuit!? I’m a troglodyte when it comes to all the math and electronic jargon in that thread, but I am learning. I’m also reading and...
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    Possible stupid question on the EP preamp pedals…but imma ask it anyways!

    …Nobody?? Anybody??lol @Chuck D. Bones would you mind schooling me on this, if ya have a sec.
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    Clandestine Preamp

    That is a sick looking pedal dude!!! Awesome!
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    Possible stupid question on the EP preamp pedals…but imma ask it anyways!

    I’d be interested to know what they’re biased at also! If/when you measure them, could you let me know, by chance??
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    Possible stupid question on the EP preamp pedals…but imma ask it anyways!

    Alright, so here it is. I e been racking my brain for a few days trying to figure it out, but I just can’t think of a reason for it. Apologies if this has been asked before, but I couldn’t find anything about it. In the Chasetone Secret Pre circuit and the Catalinbread Epoch Bias circuits, the...
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    Pendulum - Need Faster Rate

    I can vouch for the 2k2 resistor swap. Just built a vero board pendulum, and swapped in a 560 ohm resistor in place of the 2k2 and it definitely cranked up the speed! Thanks for this @Dirty_Boogie !!!
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    BS170 how to get more gain??

    Yep. That’s where I found out about the negative feedback resistor.lol
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    BS170 how to get more gain??

    OPE! I may have jumped the gun. I just read about the negative feedback resistor and the 680nf cap how you can put a trimpot in place of the 220k resistor and vary the value of the cap to change the gain. Is that the only way tho?
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    BS170 how to get more gain??

    Apologies if this has been discussed in other threads, but I can find them. I built a Prince Albert (Catalinbread RAH) and it sounds pretty good, but there’s not as much gain as I think there should be. I’m prolly wrong about that, but in the off chance I’m not, is there any way to up the gain...
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    Thanks for telling me about this. I’ll take a look at it and see if I can figure anything out!
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    Yep! I swapped a Heavy Water build in for the Katana, a boost for a boost, but no charge pump, and now they work great together! No noise, whine, or nothing! Thanks all for the help!
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    Damn! I was afraid of that. My best bet would prolly be to put a circuit I. There that doesn’t use a CP. thanks!!
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    I know, I know! I have a hard time with rats nests on vero builds. I’m working on it!!lol thanks for all the replies. I’m gonna try the 470nf mlcc cap, and get the wiring down. I’ve just not ever had the whine change pitch when I turn the knobs, it’s usually just a single frequency.here are the...
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    P.S. I didn’t have a 220uf cap @ 35 volts, so I put that huge honker of a cap, a 470uf cap @ 50 volts. Also, I didn’t have a 27uf cap, so I put a 22uf & a 4.7uf. I don’t think that would cause the whine either tho, would it?
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    High-pitched whine in Echoplex Bias & Katana dual pedal vero build

    Hey y’all! Ok, so, I don’t have the best pics right now, cuz it’s night time and there’s not good lighting, but I got a few. Apologies for the rats nest, I have a hard time getting vero builds to look ‘neat’. They’re both veroboard builds. I have the EP Bias and Katana in a single enclosure...
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    Who's down for some SMD layouts?

    I like the idea of SMD builds! So long as there are always thru-hole builds available. I just don’t like the idea of fully converting to SMD over an amount of time.
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    Points/Rewards System

    YES YES YES!!! So long as there is a retro active system, where prior purchases may be able to count towards points. Possibly a cut-off date, idk. But, I do like the idea of a points system, for sure!!
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    Pendulum harmonic tremolo (Vero)

    Thank you very much!!
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    Pendulum harmonic tremolo (Vero)

    Awesome, clean build, dude! Do you still have the layout for this? I can’t seem to find it anywhere!
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    SOLVED Layout Effects EF120 Extremely Quiet

    I would try a new 3pdt switch, and wire it up without the breakout board first, to see if it’s the problem. 3pdt switches can be kinda ‘fragile’ to work on with heat. If the iron is left on a lug too long, or repeated heating, the lugs can shift from the plastic and epoxy melting.
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