Hydrasynth from ASM - Tips, Tricks and Queries

Your posts are top tier mate, you must’ve kept me hyped the entire week during NAMM and I always see you around being helpful. Good stuff.

Edit: nice, glad to hear my somewhat ill-informed question got you cooking

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I don’t own a Hydrasynth yet but I’ve saved this comment for when I eventually do. Cheers

Looking through the database, there are some in the “Orland” group of waves that are saw sounding, like Orland 7 iand 5 n particular.

I suppose ASM had a reason to call them “Orland”.-

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Thanks for asking, I’ve been tripping with megasaws applying that recipe for maybe 2 hours. :content:

Osc 1 = saw, pan left
Osc 2 = saw, pan right
All Mutants set to WavStack (different low depth, flanger effect)
Macro 1 on all Mutants Dry/Wet
Macro 2 on all Mutants Depth and Osc 1 vs Osc 2 opposite detune

These 2 macros allow to control additional saws level and detune respectively. As on Syntakt’s SWARM btw…

Analog Feel 64
Random phase

Saws orgy. But I think 1 WavStack is enough per Osc.

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I went off a totally different direction, using VoiceMod with Unison and the “Harmon” waves ( they’re just the single fundamentals ) to set up a sort of additive sort of thing, especially using two oscillators. It’s a bit of fiddly work, and perhaps a tiny bit of a failure, but still good and i’ll remember it for other ideas later.

I had earlier tried using reverb across a “Harmon” wavetable, and that definitely was a failure, but it gave me the idea to try this.

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Interesting, my approach was classic but with WavStack abuse (too much, 1 per osc is enough imho).
I use poly mode most of the time…

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The Hydrasynth – it’s not only sweet spots.

There are synths like that, but not the HS.

Also, i’ve gotten better at predicting what something will do, but i still miss, and get surprised.

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Concerning WavStack abuse, it is also a matter of taste.
I remember I felt the same with Virus TI Hypersaw (9 saws) + Unison…

Concerning Unison I’d like a poly unison mode (reducing poly to 4 notes with density 2 for instance). Micromonsta 2 behave like this.

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OK i am easily amused.

Start the arp with whatever patch. Just key in some notes, three or four simple ones.

Then while the arp is running and making sound, press and hold Random and thenOn. Let them go and then press and release Random again.

The first time i did this i thought it changed the arp notes. But no it keeps whatever chord you have running. Even the tempo, stays, believe it or not.

Fun, free, addictive shifts.

ADDED :

What is being randomized by this :
  • Division
  • Swing
  • Gate
  • OctMode
  • Octave
  • Mode
  • Length
  • Phrase
  • Ratchet
  • Chance
  • StpOffset
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Just watched JP8080 Bad Gear review. Don’t waste your money, Hydrasynth all the way ! Apart from 2 more voices for the JP I can’t see any particular thing better than HS. Did you hear JP’s filter with higher resonance ? :grimacing:

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I think I had mentally cornered myself into thinking only the JP would suffice for making trancey supersaws but it’s becoming clear now there’s absolutely capable alternatives. For the price of a 8080 I could even get a virus TI2 and have change!

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Greetings HS wizards. I’ve started to wonder if I could replicate some of the functions of a Buchla 200 in one of these.

I don’t have one in front of me:

  1. Can you do something like traditional wavefolding with any of the mutants? If so, can you do series, parallel or both?

  2. I see there is something like a harmonic oscillator option. Is there always a curve on the harmonics or could you emphasize the the 1st and 2nd and 6th harmonic and none of the others?

  3. I’ve read that the LPG is a good emulation but I haven’t heard anyone using it for plucks — does it work well for that?

Many thanks.

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  1. Wavefolding à la WMD Geiger Counter ? Not to my knowledge…

  2. Harmonic waveforms or Mutant ? I both cases it is 1 frequency at a time I think…
    You can use 2 Mutants per osc, set Dry/Wet in order to keep fundamental…

Harmonic Waveforms are sines, different frequencies. You want to know which ones?

Thanks for your reply. I think the WMD Geiger Counter is transfer functions or waveshaping, not what’s traditionally called wave folding.

I’m thinking of something like the Buchla 259 wave folder circuit, or the Serge Wave Multipliers. See, e.g., Simple Synthesis: Part 8, Wavefolding | Keith McMillen Instruments

For harmonic oscillator, I mean something like the Verbos harmonic oscillator, or the harmonic oscillator modes of modules like Just Friends, Ensemble Oscillator or Plaits in Eurorack. The problem with Plaits is that you only get a unified window of the harmonics, so you can include distant harmonics and exclude the harmonics in-between them.

The harmonic mutator (pp 40-1 of the HS manual) seems to emphasize single harmonics, or groups of neighbour harmonics.

Thanks for precisions. So I think HS can’t do wave folding or equivalent.

Concerning harmonics you’d want a kind of additive synthesis ? I think you’re limited to the 3 oscs, waveforms with harmonics you’d have to choose, fm eventually but it is not the same approach of course…
Btw I have an EHX HOG2 on its way…

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Use Ring Mod of an oscillator on itself. RM Depth ( AKA Ring Depth ) is then a fold amount. You can then modulate that in the Mod Matrix. This probably isn’t exactly wave folding, but it is damn close. I think it only folds from one side, but give it a listen.

Also is the use of wave tables to simulate wave folding. Wave tables are good for simulation of practically anything.

Put the two together.

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Osc 1 and Osc 1 as sources for instance ? I tried with a sine wave but I got an octave higher, without seeing/hearing the wavefolding fx…
Maybe I missed some settings
(RM depth and level to 128, Osc 1 level to 0)

Turn RM Depth up and down and watch that oscilloscope.

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I did. Gave me a transition between the sine and its octave, apparently not much harmonics as on the wavefolding shown by @JES

Okay, I think PWM-ASM might be a weird WaveFolder-like function. Searching for “Hydrasynth WaveFolder” got me this video which explains it pretty well. 30s in when he switches to a sine wave it sounds close to the other video above.

Will have to try next time I get my hands on one.

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