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Thanks DL. I've been encountering some interesting oddities while working with 99.1070 Most recently today, after doing several edits and saving patches, switching between patches and viewing the Patch Info, the info is borked. But when I go back to patch #1 and view the Patch Info, everything...

Coupla things to remember when auditing patches directly from within SpinCAD Designer and why auditing from SpinCAD alone is only a preliminary audit . . . . 1) A PC's sound quality is not that great. 2) SpinCad Designer has only three external pot controls. And in so being, to hear what the...

It would be interesting to see a waveform range chart for this circuit. And a question: can it be easily modified to exact a variable Q notch filter as well? I want to put a crunch circuit in front of this, but with a Q that can notch as well as bump.

Absolutely and fair enough. Have to start somewhere; even if a lofty position. I'm goona fire up SpinCAD Designer later this afternoon and try to get the 1st of the Delays started, reaching for as many of the details as possible for each. I'm thinking we focus on patch at a time here in this...

Inspecting the mods listed above, the 2nd reference to "R2 200R" should be "R12 200R" And the reference to "D100 1N587" should be "D100 1N5817" - R2 650K -> 100K (I use a 1M trimpot here and adjust to taste - this mod makes the most significant change to overall sound of the circuit.) - R5/R7...

Sure. Doubtful it would hurt anything to try. If you're confident with your de-soldering-foo, go for it.

TBH, after spending g more time on the "specific requests", I had to chuckle to myself. While the FV-1 is an impressive DSP chip, it does have its limits - as Digital Larry points out. Some of the requests are sound quite lofty for the FV-1 and I'm doubtful all aspects of each patch request...

It's all good. I'm paying back to the community for the generous assistance I've received from others here. I don't PCB layout and a few different folks have gone out their way to provide me some PCB work-ups that I desired. Just trying to help keep it goin' 'round. And besides, with the latest...

A HEX file is just one of the formats SpinCAD can work with. Some folks use HEX to move patches into and out of EEPROMs. While SpinASM (.spn) files cannot be read by SpinCAD, SpinCAD does a "Save As" in that format. I use SpinASM as it works well with my FV-1 Development Board. SpinCAD native...

Not being a SpinASM coder, I rely on SpinCAD Designer to create patches for the FV-1. The patches linked to in my first response here are downloadable as SpinCAD (not HEX) files that can be loaded directly into SpinCAD Designer 99.1035 or even the newer SpinCAD Designer 99.1070 I typically...

Welcome to the fray!

@BrainGutz - I could easily spin-up some delay & verb patches in stereo. If you could be specific in your request for each of the 8 patches for both the delays & verbs, I'd be happy to do my best.

Found a small box of 5 GuitarPCB PUFF (Pumped Up Fuzz Face) boards with just the appropriate number of pre-measured & selected NOS PNP Ge BJTs with enough of the BOM'd charge pumps& pots, and decided to put that project to bed. Straight forward builds that work fine, but I tweaked them a bit to...

Went for a long leisurely kayak down the AuTrain River a few years back and just found this shot of a Unicorn skeleton we saw on our journey.

While not particularly filling your specific request(s), have you seen this post?

@szukalski was kind enough to share the Gerbers to get 'em fab'd.

Now that the enclosures (1590B) are done and have arrived, (another shout out to @amplifyfun), I've been able to finish a small batch run of Germanium Filters - as shown by @Chuck D. Bones in his Breadboard Series on the DBA Germanium Filter. Using carefully selected MP10B NOS BJTs, this...

Besides what @Passinwind states, when you do the math, a 10K resistor in parallel with a 100K pot will result in a <10K pot with the applied taper. If you add a 100K resistor, the result would be a ~50K pot with the applied taper. I imagine you really want a 100K pot with an analog taper, so I'd...

Because adding a resistor in parallel to any two lugs of a pot results in a lower combined resistance, one needs to start with a higher value pot to achieve a taper change while retaining the same relative pot value. So if you want a about a 100K analog taper pot, you need to start with...

Very nice!