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Did you solder the FV-1 yourself? In my experience, 90% of FV-1 issues are from self-soldered chips (I speak from experience). If yes, I would ensure there are no bridges and all pins are making a good connection---do you have have a multimeter to test continuity? You'll want to check that each...

Don't worry, I did the same thing with mine! Ha. Looks great, by the way!

Thanks! It's been a useful build, for sure.

I've never run mine at 18v, as it sounds fine at 9v. I usually go with higher rated caps if I'm doing that, just in case. You'd want to make sure your power supply is actually putting out 18v and not going to fluctuate much if you're using 25v caps, just to be safe, I think?

Hey, you you find details on this thread: https://forum.pedalpcb.com/threads/unicab-with-input-switch-thru-and-balanced-xlr-out.887/ (it links to the various schematics I looked at for the extra options, etc.).

I added a little DI circuit and XLR out on mine, as well as a switch to accept the signal from my amp (with a thru output so I could still connect the speaker). Works great!

Yeah, if you get the FV-1 pre-soldered then everything you need comes with it. No programming required.

Have you traced continuity from the FV-1 pins to the intended destinations? Could be the photos, but some of those solder joints on the pins look like they might not be connected (I've had the same issue with a few self-soldered FV-1s).

Is it possible the lower pots are shorting out against the PCB? This is a common issue with unshielded pots.

Cool! I was curious about more settings, but I only really like the arp anyway. How do you find the noise with yours? I also notice a small amount of high pitch bleed through in bypass depending on where the control knob it set.

I built a few of these old Roboto boards years ago now. I always liked the idea of the pedal, but never really used it much. Part of that is possibly just how unwieldy this can be in terms of noise, etc. while also sounding pretty dull in terms of tone. I read that changing/removing the 470pf...

I used that triple thick Krylon for years without issues. It was my favourite! I just can't seem to get it locally anymore otherwise I'd still use it. Maybe they've changed the formula or something? I built many pedals that looked great using it.

Yeah, the art of speaker cabinet making is not something I'm about to get into either. Ha. both my homemade tube amps are salvage jobs that came with cabinets and got sprayed in funky colours because I can't be bothered with tolex either. I played the Mastotron through my homemade 5E3 last...

Tried this in the studio last night and compared it to all the other dirt boxes I've got. The Mastotron is very good for letting bass through (sounds great on a bass guitar). I still like my trusty Bazz Fuss variant for simple, milky fuzz, but this is great for synthy/velcro/live-wire crackly...

I have! Two of my favourite amps are ones I built from salvaged parts/cabinets---a 5F2A Tweed Princeton in an old record player box and a 5E3 Tweed Deluxe. They aren't that complex to build. It's just a different tolerance of parts (bigger, etc.) and much higher voltage, so safety and caution is...

Ha. I know the feeling! You know what you must do now to use those up, of course? Get into amp building! it's an entirely different kind of addiction (and parts stash).

Thanks! I'm really happy with how this all came together. Sounds great too. I sometimes forget that I'm supposed to be building stuff that actually encourages me to play more. Ha. Looking forward to trying this on synths tonight too. Can you tell I also tried to use up some extra large caps...

This isn't a PedalPCB board, but I figured it was worth sharing anyway given the bypass board poll, as it's the first time I used a bypass board in ages (maybe the second time ever). In this case I thought the bypass board was useful, as the Tagboard layout dign't have an onboard CLR or LED...

Sorry, I only had random bits of leftover cables/broken cables to try them with. I got a few to work, no problem, but don't have a specific brand/gauge to recommend. I just grabbed some as I needed to add to my order to justify shipping.

Thanks for chiming in! I don't suspect any bad batches from you or PedalPCB. There just seems to be something common to my setup that is killing these chips. I have been cleaning with IPA often in the process. I'll probably just take a break from FV-1 related builds for a while, though I have...