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    Who Else Is Using the 'SpinCAD Designer' App?

    I typically write my fv-1 code by hand, having learned mainly from the info and examples on the spinsemi site. But I have used spincad as a helpful reference tool for things like filters. I export a simple spincad to asm and study it, and compare to block diagrams on spinsemi. So I’m not using...
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    Slapback Delay

    I’m a big fan of the seabed for short and medium delays. Get a few pt chips as some are noisier than others. But at short delay times, they have less noise so it should work great.
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    Deep Blue Delay Simulation (FV-1)

    I had the smd soldered by the pcb fabricator (JLC). Mainly, I thought it’d be easier to fit the pcb layout, though I’m guessing through hole could all fit with a well done layout.
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    Deep Blue Delay Simulation (FV-1)

    I finished up a pedal that I’m pretty excited about. It's a FV-1 implementation of the Mad Professor Deep Blue Delay, where the FV-1 handles the delay time and modulation, but the filtering is analog circuitry around the FV-1. The DBD clone was the first build I attempted, first try (on vero)...
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    1981 DRV (Informant)

    Here’s what I describe in my first post. I since changed to the Voice control, but I don’t know which is better, bass control is probably more intuitive. You can experiment with the cap value to get a deeper or less deep bass.
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    Understanding the Cornish style buffer (C-Buffer)

    Hey it’s just bad timing that the other thread is so fresh in everyone’s minds haha. I can’t necessarily help with the calculations, but I’ve read many places that it’s that its a “Bootstrap” concept. Attached is a snippet from the Wikipedia on “Bootstrapping (electronics)”. I’ve seen the...
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    YaMojito

    I’ve thought about double tap also. I think you will end up with a lag on single press. How does the chip know if you will press it a second time? It has to wait a specified length to be sure there won’t be a second press. So on single press, it won’t do the on/off function until after it...
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    YaMojito

    How does the dual relay board work? Hold the switch to toggle the boost or something?
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    Active eq/pre for bass guitar?

    The Unicab has gotten a few good mentions on the forum for bass
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    NSFW What's up with the buffers in cornish designs?

    At one point several years ago I had read enough hype about the Cornish buffer that I built one, thought it was pleasant and that’s been my go to standalone buffer. Maybe we need a pcb with 3-4 buffer types selectable on a rotary switch. Maybe simple BJT (like TS), simple op amp (like...
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    Digital BBD concept looking for comments and beta testers

    I’m curious, is there a general consensus on whether the BBD chips themselves impart any tone characteristics, or if the tone of analog delays (etc) is entirely derived from the filtering in the rest of the circuit? I like the idea of having more options for time based effects, and I think the...
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    Belton brick vs fv-1

    I don’t find the Belton brick to be all that springy (which is good for my taste). You can hear some individual echoes, but not a lot of the wet splashy sound of reverb. The 3-verb patch may be able to be edited for longer decay or stronger mix. Someone went pretty in depth with a patch...
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    Dino Flavored Big Muff...

    You could also consider the tone job circuit for the eq (it can be simplified to fewer op amp stages but keep the filter values). I’ve built the tone job, not the cold Turkey, so not sure wxactly how they compare, but similar concept with different filter values
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    tap module on the Seabed Delay?

    I’d try adding a wire to a pot to mimic the seabed delay pot, to see if it’s the delay circuit. No need r17, just don’t turn the delay pot all the way to zero
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    tap module on the Seabed Delay?

    You don’t need to install R17 at all. One of the holes for R17 connects to pt2399 pin6, and the other hole connects to delay pot hole3 on the seabed pcb. You can figure out which R17 hole connects to pin6 either by visually looking at the traces or using the beep setting on a multimeter...
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    Facemelter diode question

    These are to protect mosfets from static discharge. I believe it’s a vulnerability unique to mosfets, in terms of common pedal components. At least that’s the main place I see these, besides charge pumps. It’s used on the zvex SHO (PPCB crackle booster) and amz mosfet booster.
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    Is there a way to change what frequenices clip more than others?

    It’s typical to cut bass before clipping to avoid muddines, and cut treble after clipping to avoid harshness. If done just right, your tone with clipping can sound neutral ( like how the Timmy cuts bass and treble in this way. Depending on gain setting, you cut bass and treble to get back to a...
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    Sunflower Fuzz Battery Mod

    Sadly the TC chip is upside down! The semi-circle notch should be at the top (matching the pcb marking). It will be a challenge to desolder and save the chip, so you may need a new chip. Desoldering also has the possibility of damaging the pcb by over-heating the pads around the hole. I...
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