I think you are Referring to the orange cv output of the deerhorn May also take an input and if I recall, you have to tune the response of the deerhorn all the way to one side with the tuning knob. So try orange from the rollz To the orange of deer horn and twist that knob and move your hand away, I think that triggers it

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Not sure if this is of use to you, but here’s my experience…

Just like with every other instrument you need to build up vocabulary to have control (if that’s desired), and because the Plumbutter is a semi-modular which means that the patch itself is part of the vocabulary and allows for new gestures (to learn).

For live shows I generally prepare and play one or two patches and do some minimal prepared patch programming on the spot, so I know the gestures/possibilities well for the patches and I’m able to play it with intent (which is sometimes important to me). After having used the Plumbutter for 4 years now I think know all it’s parts well, but some interconnections of parts lead to random behaviour (esp. interconnected rollz) which I would avoid using to patch program in a live context myself.

I’ve seen people using patch programming as part of the performance, building up a patch during the play. I always wonder how much of that is pre-scripted, plain mastery of the instrument or improv/exploration.

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I had exactly the same, until I forced myself to just use the deerhorn and avdogs exclusively for a while (with modulation of others) and found that they are awesome when fm-ed while still being gestural

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To add to my gerassic organ mods, just found a new one. You can starve the voltage going into the x resistor to cool effect.

At around 6v at low x resistances, notes drone on forever (but without the timbre changes of the timbre mod mentioned above). And at both very low x resistances and very low voltages a second note appears (this note doesn’t seem to be affected by the pitch knobs/trimmers). Here I am turning the voltage down slowly and then messing with the x resistor knob (when you hear it go out for a second towards the end). Fiddly for sure but some cool sounds to be had.

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just wanted to say, as a humble plumbutter owner with basically no electronics knowledge, this thread is so fun to follow. yall are amazing and I love the little community that’s gathered around these instruments and around creating brand new ones, it’s so cool

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That thing produces such beautiful tones…
Me and u should get together with all of your modifications and put together a PCB for it :slight_smile:

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Yes, please! I didn’t expect to be interested in that sound, but I’d be down for a Gerassic Organ project.

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Got the LED Driver working under the black key :smiley:

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sorry to keep flooding the thread with my questions, but does anyone have any good solutions for getting submixes out of pb etc? pb’s mixer is great and all but it would be cool to have an offboard mixer just to pull apart individual sounds.

Connect all of the white bananas to a mixer?

right, i’m new to banana format though - is there a good simple passive mixer for this?

LowGain has one if you just want to buy, but they’re easy to make.

EDIT: not a mixer but a format converter so you can convert to 1/4" or 1/8" and then send to your mixer.

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Yeah, the mixer on the plumbutter is nice, but I find myself wanting more control over some of the panning aspects. Also would be nice to send some of the channels to an aux for delay/reverb/whatever.

I made my own format tumbler similar to the low gain one and plan on using it with my Mackie 802 mixer.

If you want a passive mixer, matrix mixers are fun. I built this a while ago to allow mixing banana and 1/4" jacks:

I wired this one manually using tinned wire to save some time, but I’d probably get the low gain matrix kit and adapt it if I made another.

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Is the low gain format jumbler just banana jacks and aux wired together with a ground jack or is there some other circuitry inside? Puzzled as to why it is so expensive.

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Haha yep. That’s it. Super easy to make. Still jacks and enclosures are not cheap.

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Yeah I suppose if the jacks are quality, I got a bunch of low quality bananas in bulk for very cheap though. Thanks for clearing that up, glad that I can DIY one for my system.

Is it really that expensive? I’ve built a wide variety of similar boxes and once you include time and the businesses expenses he surely has, it seems very fair. Quality components are not cheap. Sure, you could build something from Tayda for $15, but not for Hammond and Johnson and switchcraft :man_shrugging:

not really answering your question but just a warning to be careful if you cross-patch the two, the lorre-mill instruments don’t like negative voltages!

Thanks for the warning - some people responded in the Ciat-Lonbarde FB group that they never had problems with the Coco and Double Knot but I was wondering about the quantussy outputs.

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I have one of Lorre-Mill’s Cowboy Callosum, which for some reason doesn’t come with a ground banana plug. Will at LM told me all I needed to do to achieve a common ground between the Cowboy and my Cocoquantus is have both plugged into the same mixer.

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