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About jaytee

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    MIDIbox Tweaker

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  1. One MB-6582, One Power Supply: a Tutorial

    I got my MB-6582 hooked up with all the individual outs for the first time about a week ago. It just occurred to revisit this issue. I just double checked and still don’t seem to have this behavior. My interface and my MB6582 may be on different outlets, I haven’t checked, not sure if that would affect it. Maybe it also matters what kind of power bricks are used? I’m still kinda confused about how this was working, lol, I can’t figure out why it would only apply to the individual outs and not the mix out...
  2. Changing caps doesn’t radically change the character of the filter. And if you’re talking about adding additional circuitry where the cap is...better to just run the SID through an external filter IMHO.
  3. Trigger Outs - 4ms

    A different length of trigger will probably affect the sound, since it’s an analog circuit. Still might be worth trying though...  
  4. Trigger Outs - 4ms

    Why does it need to use a 4016? I don’t know what to plug into that MFOS circuit, but it seems like a 555 in monostable mode will do the trick, no?
  5. MB6582 Control Surface troubleshooting

    Nice! That would have stumped me.
  6. One MB-6582, One Power Supply: a Tutorial

    If you’re only briefly showing continuity when you first connect your probe (ie you get a short beep but then everything seems good) then it’s probably fine. That will often happen because your meter is charging a capacitor, allowing current to flow, which very briefly looks like continuity to the meter.
  7. One MB-6582, One Power Supply: a Tutorial

    Ah, sorry, replied on your other thread, didn’t see that you had posted here and already gotten the same advice. 
  8. Thanks for the encouraging words! I feel like it *should* pretty much just work, but of course I’m sure there will be some hiccups along the way.  I think the Bass Engine will be particularly fun with CV and gate outputs. Lead engine seems like it adds basically an entire rack of modules to a modular system.
  9. MB6582 Control Surface troubleshooting

    Doublecheck first to see if any two of the regulator’s three legs are short-circuited (three total continuity tests). If the other rails are good, sounds like it may be a short between 5V and gnd? If you find a short, you may or may not need to replace the regulator; some are well protected and will just start working again while others will fry. If you don’t find a short between two rails...it probably still failed for a reason so probably worth it to triple-check your work (jewler’s loupe can be had for cheap on eBay!)   Otoh, sometimes shit fails for no apparent reason and it’s just a bad part that needs replacing. Or sometimes you accidentally shorted something while working and didn’t realize it till later. Or some other freak occurance that borks your work but otherwise won’t happen again. So don’t stress too much if you can’t find an obvious fault. Try replacing it and if it fails again, then at least you’ve established a pattern and have a better idea what to look for. And if it works, it works.
  10. Bumping this thread again now that the modules are available. Anyone familiar enough with the MB SID CV/gate outputs to know how potentially conflicting assignments work? Any other insight re: the questions in my last post? I guess I can always build the modules and just see what happens but it would be nice to have some idea of expected behavior.
  11. One MB-6582, One Power Supply: a Tutorial

    Seems to me the bridge rectifier could be added back in without any issue, if that’s what causes the problem?
  12. One MB-6582, One Power Supply: a Tutorial

    That’s...weird. I’ll have to check my own MB-6582 to see if I get the same behavior. I only ever use the mix out jack so I’m not sure I would have ever run into this.
  13. midiphy SEQ v4+

    Amaaaaazing! I’m on vacation atm but I will probably order these boards as soon as I get back. Is there any chance I could convince y’all to release the design files—or even just a super basic drilling guide—for the panels? I have the means to DIY my own panels and some kind of official measurements would make the job quite a bit easier.
  14. MB SID classic with 4x20 LCD setup question

    It’s been awhile since I looked but I’m pretty sure all that’s required is changing a single flag somewhere in the code.
  15. I know he had a baby not too long ago and had fallen a bit behind on orders. You might try contacting him on Muffwigglers?