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  1. M

    SOLVED cetus preamp - no signal when engaged

    I see what you’re seeing, it turns out that was a tiny bit of cotton from a qtip where I was cleaning up some flux 😅 And no, still not working. I started the other board last night. Everything is super tidy this time. But I’m afraid that when I try to fire it up I’m going to have the same issue...
  2. M

    SOLVED cetus preamp - no signal when engaged

    i didn't at first, but i do now (and will do so moving forward)
  3. M

    SOLVED cetus preamp - no signal when engaged

    Much appreciated. Is this correct? Because it still doesn’t work 😬. But I’m learning a lot here.
  4. M

    SOLVED cetus preamp - no signal when engaged

    Can you elaborate? I couldn’t find any instructions on these jacks, and went with the “long side is positive, short is negative” approach.
  5. M

    SOLVED cetus preamp - no signal when engaged

    all very reasonable and helpful advice. respectfully, it didn't work before i reflowed the board a half a dozen times and my helping hands scratched the board. they've been taped up since. if bunk op-amps weren't the issue, i'm hoping someone can spot what is. i bought enough parts to build 2...
  6. M

    SOLVED cetus preamp - no signal when engaged

    Fresh op amps from a different supplier. Socketed this time in case they were bad. Lesson learned there. Replaced a resistor I’d broken. Reflowed every connection. Annnnnd it still doesn’t work.
  7. M

    SOLVED cetus preamp - no signal when engaged

    you were right on all accounts. those were definitely in the wrong places. i knew my eyes were getting bad but i didn't realize i'd forgotten how to read 😅. and as predicted, that didn't fix the bigger issue at hand. though i very much appreciate you spotting that. i imagine it would have...
  8. M

    SOLVED cetus preamp - no signal when engaged

    Hey all, first post, first build. i've done some much simpler circuits and mods, but this is the first big one. i have good bypass, but as soon as i turn on the pedal, it mutes. LED comes on. volume is up. cables are good. i have reflowed every connection, checked the orientation of every...
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