Shakmat Modular 2hp modules : SumDif and HiPass

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Paranormal Patroler
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Post by Paranormal Patroler » Fri Apr 05, 2019 4:39 am

Noisepan wrote:Am I correct in assuming that mid side processing would remove any panning between the left and right, so the final signal would have identical left and right channels?

My understanding is that if the side is processed as 1 channel, when it is returned and split to the left and right again, it would be the same on both sides?
No, I don't think that's the case. By definition Mid contains all that is common between LR, whereas Side contains all the info that is only available on each channel, but not on the other. Any processing happening on Side will be common to both LR but if I recall correctly you retain the stereo imaging that was available in LR in the beginning when you revert Side back to LR.
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Post by Dragonaut » Mon Apr 29, 2019 3:54 pm

Nice packaging!

(after battling with the picture upload function for a half an hour I'm giving up.)

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Post by Virusinstaller » Mon Apr 29, 2019 7:44 pm

I could really recommend the high pass for anyone playing live on big systems. It really made a nice difference to the sound quality coming out.
Cleaned the audio just nicely leaving room for boosting frequencies in the right location.
Nice work!

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Post by Todai » Sun Aug 11, 2019 4:14 am

Question about HiPass routing...


So I just installed HiPass, namely to make space in the low end / remove rumble.

My routing presently is PM master out > MSCL (used as limiter) > buffered multiple. Buffered multiple splits to Vermona TwinOut (DI) and into bitbox for recording.

Noooow....where's the best place to patch HiPass in?

Before or after the limiter?

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Post by bago » Sun Aug 11, 2019 5:33 am

I would place it before the Limiter/Compressor, otherwise the lowend rumble will still control a good part of the compression. But if you want a pumping sound (like in most Techno trax) you might get more drastic results by patching the Highpass after the Limiter/Compressor.

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Post by Paranormal Patroler » Tue Aug 13, 2019 5:55 am

There's no right/wrong answer to this one. It really depends what you want to achieve. Google about the placement of compressor in relation to EQ and you'll find a lot of info on this subject.
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Post by gtrmstr53 » Thu Nov 21, 2019 1:40 pm

I'm trying to decide between getting a SumDif or a Joranalogue Add 2. My main use would be adding pitch cvs, but always like to have extra use cases just in case. Does anyone have experience with both modules? What would you say are the pros/cons of each.

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Post by Halfgeleider » Thu Nov 21, 2019 1:54 pm

Well, im leaning more towards sumdiff, since it adds and substracts. But in the end i probably buy both.

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Post by gtrmstr53 » Thu Nov 21, 2019 6:31 pm

Halfgeleider wrote:Well, im leaning more towards sumdiff, since it adds and substracts. But in the end i probably buy both.
Haha, well that's not helpful!

On a more serious note I was thinking the difference out on the SumDif would be more helpful than the Add 2's jumper that turns it into an averager (instead of adder). Any thoughts to the contrary?

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Post by desolationjones » Fri Nov 22, 2019 8:21 am

The SumDif also has such jumpers for the second stage. Optional -6dB on both inputs to give more headroom for mid side processing.

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Post by Bishop Dust » Sun Nov 24, 2019 5:25 pm

Indees it has jumpers for the first section meaning the tow first ourpus loose 6db meaning you have (a+b)/2 :)

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Post by gtrmstr53 » Sat Dec 07, 2019 9:16 pm

I ended up going with the Add 2 for the extra input per channel, and price.

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by oliq » Tue Feb 25, 2020 3:48 am

Does anyone know it it's possible to change the set frequencies of the hipass? I'm interesting in one that has 4 100hz filters and wondered if a hack changing a component or two might make that possible.

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by desolationjones » Thu Apr 30, 2020 9:19 am

Wanted to share one of my main SumDif uses:

Stereo mix into WMD MSCL, sidechained by kick. MSCL output to SumDif A & C. Kick multed to SumDif B & D. Now your kick signal is mixed into the center channel after the compressor.

The SumDif is fantastic for parallel processing stereo mixes, in general. I am still wishing for a small stereo crossover in euro though. If someone could make a 2HP, 1 knob, 6 jacks crossover I'd buy it! In fact I'd buy it in pedal form, too, as such a device apparently doesn't exist.

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by Tumulishroomaroom » Thu Apr 30, 2020 10:06 am

I've though about picking up a Sum Dif for a reason like this, do some mid side processing. In combination with the wonderful Hipass I could filter the sides so the bass stays mono. Something I always do in Live, but could be useful still; as well as the wealth of creative uses mid side offers.
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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by Bishop Dust » Thu Apr 30, 2020 3:19 pm

oliq wrote:
Tue Feb 25, 2020 3:48 am
Does anyone know it it's possible to change the set frequencies of the hipass? I'm interesting in one that has 4 100hz filters and wondered if a hack changing a component or two might make that possible.
Email us we can tell you how to do that if you are ok with smd soldering

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by Bishop Dust » Thu Apr 30, 2020 3:20 pm

desolationjones wrote:
Thu Apr 30, 2020 9:19 am
Wanted to share one of my main SumDif uses:

Stereo mix into WMD MSCL, sidechained by kick. MSCL output to SumDif A & C. Kick multed to SumDif B & D. Now your kick signal is mixed into the center channel after the compressor.

The SumDif is fantastic for parallel processing stereo mixes, in general. I am still wishing for a small stereo crossover in euro though. If someone could make a 2HP, 1 knob, 6 jacks crossover I'd buy it! In fact I'd buy it in pedal form, too, as such a device apparently doesn't exist.
Nice ! Thanks for sharing !

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by oliq » Sun May 03, 2020 9:22 am

Bishop Dust wrote:
Thu Apr 30, 2020 3:19 pm
Email us we can tell you how to do that if you are ok with smd soldering
Thanks, will do!

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by brandonlogic » Thu May 07, 2020 7:29 am

Hipass in stock anywhere or anyone have one for sale in the US?

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by Bishop Dust » Thu May 07, 2020 8:41 pm

We shipped hi pass to Vintage King and Perfect Circuit last month. It might be out of stock until late june, we are now launching another batch at the factory :)

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Re: Shakmat Modular 2hp modules : SumDif and HiPass

Post by brandonlogic » Thu May 07, 2020 9:34 pm

thanks! i was able to get an order in at Vintage King!
this will be perfect use (30 Hz filters) for the master stereo send/return of the wmd performance mixer!

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