Elby Designs PANTHER - Cynare Drum CGS747 Eurorack Module

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via this auction

Update: see the seller's other items for more.

"This is a complete drum synthesizer (comparable only with the Cwejman BLD , but this is for Snares , Cymbals Hats and similar sounds)...

PRODUCT DESCRIPTION: The Cynare Drum Simulator is one of a family of 3 CGS drum simulators from Ken Stone. It generates a single drum sound that can be adjusted to sound like a cymbal, hi-hat, snare drum, electronic drum, or numerous other percussive sounds. It is a complete dedicated synthesizer in its own right, including six oscillators, a noise source, a mixer, an envelope generator, a VCF and a VCA. Specifications: · Module Width: 26HP · Power Consumption: +12V @ mA, -12V @ 2mA · Module Depth: 11.2cm"

Cynare Modifications

via creatorlars on this electro-music.com thread.
(be sure to see the thread for any updates)

"I love my Cynare, especially the gated dampening feature. However there are still a few bugs I'd like to work out to improve it overall and make it more usable. I've attached my 1U MOTM-style panel with banana jacks. It's pretty crammed in there but I like it. Smile I'm following my own placement and feature standards as far as common features in all of my drum modules, so I've added an output level knob and a pushbutton trigger. Here are some thing I'd like to work on/improve. Any suggestions would be greatly appreciated.

1) The output level control is currently a passive 100K log attenuator to ground, but the module still produces an output when the control is fully counter-clockwise. I'm guessing I should be putting the pot in parallel with the feedback resistor on the output op-amp or something, but I don't really know what I'm doing there, honestly.

2) I don't ever hear much noise blending with my oscillators, so I'm thinking my noise source might be a little too quiet. Which parts should I be looking at to fix this? Or are you not supposed to hear white noise when the Mix knob is set all the way in that direction and the filter is open?

3) The impact sound never seems to mix right with the metallic sounds. It's more of a bassy thump or thud instead of a sharp click or strike, which is what I'd expect. As a result, the drum sounds I get out of it sound awkward and muddy up the mix with other modules. Any ideas on altering the tone of the impact sound? I may just eliminate it altogether.

4) My pushbutton control is just connected to the input via +V, but the module doesn't trigger cleanly when I hit it (kind of repeats or misfires). I want it to be able to generate a gate so that I can hold it down for sustain control when trigger & sustain in are both patched together. What can I do to improve the response?

Thanks for any help! I love this module, but it's always been really quirky and I want to get it up to par.

Lars

P.S. The black tuning controls are smaller-knob pots. They are controlling three of the six oscillators -- the others are preset. I may change these to dual-gang pots to get control over all the oscillators at some point, but haven't found a source for 16mm dual gang 500k pots yet."