Yep, no need for feedback patching for it to ping really well.

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A question: I see a lot of y’all about filter pinging now and then but can’t think of any music where I notice the technique. Can someone suggest some music (not a demo) where the technique is used prominently?

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If I’m not mistaken, Subotnick uses it a lot on Silver Apples of the Moon…

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I thought that was low pass gates / ā€œBuchla bongosā€? Is it the same thing?

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Filter pinging is an expedient way to get a short-duration pure sine wave (or, as close as we can normally achieve), which is a good basis of some drum/percussion sounds (when put through a swept wavefolder or other downstream stuff). Per diodemover’s question, I’ve gotten good results with the filter 8, but setting the resonance is very fiddly, and the toggle positions can render it unpingable.

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While you can ping filters you can also ping LPG’s due to their being a hybrid between a vca and a lpf…

EDIT: so I might be wrong about this…. I ping my Optomix a lot but it’s got something running through it, so what I’m pinging is probably a combination of the input audio and the lpf. I’m not sure if I have ever tried pinging the Optomix alone…. Obviously now I need to try that…

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I’ve greatly enjoyed pinging the ALM MUM M8. It distorts nicely and can offer nice high octave piano-like hits, especially if you simultaneously ping the filter input and the VCA input.

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What, in your experience, has yielded the best results with Filter 8? And I totally agree, the resonance is a bit fiddlly.

Rossum Linnaeus is great for pinging! It has two internal oscillators: one for filter FM and another for pinging the filter. You can also use external pulses to ping it, of course, and it has V/oct tracking.

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I’d start with resonance at about 3:30 (no less than 3:00, depending on frequency might be as high as 4:00), res mod at 12:00, exp fm at 12:00, lin fm at 12:00, the hold toggle disengaged, and the top toggle set to audio rate (if that’s what you’re trying to create, technically it can be a lfo). I forget offhand which direction the comp and ac toggles should be pointing, but you’ll know it if it’s set wrong!

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Most Serge players use pinging, as the filters in Serge sound great when pinged.
Check out the 50th anniversary Serge recordings.

Todd Barton’s track, number 6, has lots of nice pings in it.

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Toppobrillo Multifilter 2 has a ping input. Sounds great.

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I wrote the below and realized that nobody might actually care, but here it is anyway.

Last night I experimented with a few of the filters that I have that self oscillate. The list was:

Befaco BF-22
Frequency Central Raging Bull 3.0
Intellijel Polaris
Noise Reap VCF 2164

I expected the best sounds out of the Polaris, but the Raging Bull sounded pretty good as well, but I ended up playing with the Noise Reap VCF 2164 the most, it just didn’t seem as pristine as the Polaris, and I liked that. Then I ended up patching it into Mimeophone and feedback patching that with Beads and after a few minutes was regretting not recording any of it. I really gotta get my gear to a state where I can record on a whim.

Anyway, I didn’t get good results with the BF-22 but maybe it needs a bit more finesse…It might just be that it’s a nasty filter, though.

(this just feels like…a brain dump of thoughts)

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I had that feeling until I picked up a 4MS WAV recorder. Now all i have to do is push a button and it’s recording… It’s changed my way of relating to my modular…

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I also love to ping Rossum Evolution. The sound of this filter is gorgeous, and you can overload the input with the Species knob while pinging the filter creating nice tones.

As mentioned before, Ripples v2 is also a great option as its sine wave is super clean.

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:slight_smile: I like one

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That’s the best sound I ever heard from Qpas, these timbers are so organic !

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some SSI reviews:

Worng acronym: WORNG ELECTRONICS ACRONYM REVIEW - YouTube

wmd legion: THE LEGION OF FM - YouTube

ssf zephyr: METAL MACHINE MUSIC WITH THE SSF ZEPHYR - YouTube

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Anyone using simply a potentiometer to passively attenuate voltage from modular down to audio in say… from modular to norns shield scenario?¹

T~~~ā•„1
S   ā•Ÿ2~~~T
S~~~╨3~~~S 
ā•‘        S                     legend:
ā•‘        ā•‘                     T, S  = tip, sleeve
ā•‘        to audio in           1,2,3 = pot legs
ā•‘                              ā•‘ = patch cable
from eurorack                  ~ wire

Tip T from eurorack to pot pin 1, tip T to audio to pot middle pin 2, and both sleeves to pin 3 for ground. This would be a single-component setup on breadboard, when in a pinch. Other than structural sketchyness, this would bring voltage down from modular tip all the way down to 0V, no?

Anybody doing this kind of 0hp² things?

¹ Asking for a friend, of course…
² As I think they are called when gear hangs loose outside the case

I do this from time to time when I throw together an experimental little case and I don’t have a spare output module handy. I haven’t tried to hack together a stereo converter, though. I just go through a passive 0hp attenuator to a 1/4" adapter and straight into the mono plug on a pedal or mixer.

I wonder what I lose with this kind of connection. I imagine I probably lose something, because people sell output modules for good money. But I don’t know precisely what. Anyone care to enlighten me?

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