Stereo FX Switch module

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hawkfuzz
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Stereo FX Switch module

Post by hawkfuzz » Sun Feb 09, 2020 11:42 pm

Maybe I'm too zoomed in, but if I had two stereo sound sources and rather than patch and unpatch them I wanted a module to reroute which one was going through an effect module, allowing a dry signal when not going through the effects.

For example, if I have a Morphagene and a SMR and wanted to route them through a Mimeophon at different times or perhaps the same time, but never lose the ability to use them regardless of routing. Usually an effects loop serves this, but that's usually one source and mono.
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Illiac
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Re: Stereo FX Switch module

Post by Illiac » Mon Feb 10, 2020 12:52 am

The Knob.Farm Ferry is great for this. Alternatively, something like the Happy Nerding Dual X Fade or Make Noise X-Pan adds CV control over the stereo fade/ switching.

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Re: Stereo FX Switch module

Post by mosorensen » Mon Feb 10, 2020 1:34 am

I have had good experiences with Axys for exactly this.

https://www.modulargrid.net/e/wmd-axys

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Re: Stereo FX Switch module

Post by jwm » Mon Feb 10, 2020 8:15 am

this prob doesn't help really, but i use an a-182-2 to switch between two stereo sources into say clouds...but its either one or the other, killed, or the L or R of each source..

https://www.modulargrid.net/e/doepfer-a-182-2

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Re: Stereo FX Switch module

Post by R.U.Nuts » Mon Feb 10, 2020 9:53 am

A matrix mixer or a mixer module with an FX send. Or a mixing desk with an FX send.

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Re: Stereo FX Switch module

Post by hawkfuzz » Mon Feb 10, 2020 8:03 pm

Thanks for the replies everyone. I know a mixing desk can do this, which is why I asked about modules. Mixer modules don't really have stereo send and returns without being big.

So if I used an AXYS or XPAN it seems I wouldn't be able to use the modules dry unless the effect was off.

The Knob.Farm stuff seem close but more for external effects and I'd need a Hyrlo.

I want to have two stereo signals go into a module that can either go in or bypass a single stereo effect and these options seem to allow me to choose which goes into the effect but not bypass.
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Re: Stereo FX Switch module

Post by GuyaGuy » Mon Feb 10, 2020 8:16 pm

I'm tired but these might help:

Mult the signal, send one version into the effect, use a switch to switch between the the dry and dry/wet mix. Use a mixer or switch before the effect so multiple signals can go to the same effect.

Or Mult the signal, send one version into the effect, turn wet to 100%, feed both signals to mixer. Again, use a mixer or switch before the effect so multiple signals can go to the same effect.

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Re: Stereo FX Switch module

Post by scragz » Mon Feb 10, 2020 8:17 pm

hawkfuzz wrote:
Mon Feb 10, 2020 8:03 pm
it seems I wouldn't be able to use the modules dry unless the effect was off.
Remember you can pretty easily mult the source into copies (example using the XFade as it is more straightforward than XPan)

Source 1 copy A -> Dual XFade top -> effect full wet -> unity mixer
Source 1 copy B -> unity mixer
Source 2 copy A -> Dual XFade bottom -> effect full wet -> unity mixer
Source 2 copy B -> unity mixer

Then the XFade volume would be effect amount, fade would be which source is getting effect where 50% would be both.

Edit: GuyaGuy beat me to it

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Re: Stereo FX Switch module

Post by hawkfuzz » Mon Feb 10, 2020 9:40 pm

I think I get it. Assuming I have a buffered multiple, AXSY + a stereo mixer would achieve this?
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Re: Stereo FX Switch module

Post by reppiks » Mon Feb 10, 2020 9:42 pm

Get the new WMD SL3LT module!
https://wmdevices.com/products/sl3kt?_p ... 9d69&_ss=r

The switches are normalled, so just by flicking the top switch you can go between your wet and dry signals in stereo!

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Re: Stereo FX Switch module

Post by brandonlogic » Mon Feb 10, 2020 9:46 pm

hawkfuzz wrote:
Mon Feb 10, 2020 9:40 pm
I think I get it. Assuming I have a buffered multiple, AXSY + a stereo mixer would achieve this?
Dosnt even need to be buffered.. stackable are fine. Splitting audio signal only once or twice isn’t going to reduce so signal enough for it to matter.
Buffered is really needed when multing v/oct signals, imo

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Re: Stereo FX Switch module

Post by hawkfuzz » Mon Feb 10, 2020 9:56 pm

reppiks wrote:
Mon Feb 10, 2020 9:42 pm
Get the new WMD SL3LT module!
https://wmdevices.com/products/sl3kt?_p ... 9d69&_ss=r

The switches are normalled, so just by flicking the top switch you can go between your wet and dry signals in stereo!
I think my brain is off. :bang:

How would I get two stereo signals in that as well as bypassing? I could put one pair in the A from CH1 and CH2 and one pair in B from CH1 and CH2, which would allow me to toggle which signal is going into the effect but how would I get the dry simultaneously?
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Re: Stereo FX Switch module

Post by reppiks » Mon Feb 10, 2020 10:06 pm

left dry signal -> channel 1 A
left wet signal -> channel 1 B
channel 1 output = left channel

right dry signal -> channel 2 A
right wet signal -> channel 2 B
channel 2 output = right channel

toggle switch 1:
left = stereo dry signal passed through to outputs
right = stereo wet signal passed through to outputs

So then you will just need to mult your dry signal into both the FX module and into the SL3KT (1A & 2A)

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Re: Stereo FX Switch module

Post by reppiks » Mon Feb 10, 2020 10:08 pm

Oh, but that is for 1 FX, and you want to select between 2 FX and dry? Sorry I didn't catch your scenarios exactly at first... Hmm, bit more tricky but still this module might help in the mix somehow given it has a third channel as well??

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Re: Stereo FX Switch module

Post by hawkfuzz » Mon Feb 10, 2020 10:14 pm

Yeah I really appreciate everyone answering. I think there's something here. I've seem to have hit a patching mental block since I don't have the stuff to do it present.

One of these days I'll just learn how to do this shit or find a manufacture who wants to make one of my ideas...but probably the former.
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Re: Stereo FX Switch module

Post by cackland » Mon Feb 10, 2020 10:57 pm

I see this being a really easy module to design and build.
Last edited by cackland on Wed Feb 12, 2020 1:54 pm, edited 2 times in total.

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Re: Stereo FX Switch module

Post by scragz » Mon Feb 10, 2020 11:16 pm

cackland wrote:
Mon Feb 10, 2020 10:57 pm
I see this being a really easy module to design and build.
Just a handful of opamps, two knobs, two switches, and no fewer than FOURTEEN jacks.
Last edited by scragz on Mon Feb 10, 2020 11:44 pm, edited 1 time in total.

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Re: Stereo FX Switch module

Post by ege.gonul » Mon Feb 10, 2020 11:40 pm

Intellijel Mutamix is perfect for this. Plus, it has two more extra channels for mono drum sound switches or the third stereo in. And you need to have a pair of stackable before the input. Not to mention adjustable VCAs and preset switching option with triggers.

A cheaper option is Doepfer A-134-2. Cheaper in the sense of fewer functions and not about sound. I prefer the sound of OTA LM13700 chips used with A-134-2 to TL074 op-amp, which are used in %90 of the modules.

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Re: Stereo FX Switch module

Post by hawkfuzz » Tue Feb 11, 2020 12:00 am

cackland wrote:
Mon Feb 10, 2020 10:57 pm
I see this being a really easy module to design and build.

Just so I understand. You want the following...?

Module Block Diagram.png
That's basically it but the send/returns should be stereo.

I didn't think it'd be that complicated but I've only built kits and maybe breadboarded to success once. I do have some literature I bet could help.
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Re: Stereo FX Switch module

Post by cackland » Tue Feb 11, 2020 12:07 am

hawkfuzz wrote:
Tue Feb 11, 2020 12:00 am
cackland wrote:
Mon Feb 10, 2020 10:57 pm
I see this being a really easy module to design and build.

Just so I understand. You want the following...?

Module Block Diagram.png
That's basically it but the send/returns should be stereo.

I didn't think it'd be that complicated but I've only built kits and maybe breadboarded to success once. I do have some literature I bet could help.
Yes, of course if the inputs are stereo the sends are stereo. I just didn't draw that in my block diagram. This concept could be expanded with a few ideas already.

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Re: Stereo FX Switch module

Post by ege.gonul » Tue Feb 11, 2020 12:13 am

scragz wrote:
Mon Feb 10, 2020 11:16 pm
cackland wrote:
Mon Feb 10, 2020 10:57 pm
I see this being a really easy module to design and build.
Just a handful of opamps, two knobs, two switches, and no fewer than FOURTEEN jacks.
You guys are overthinking it, crossfader like Doepfer and stackable cable before it going to EFX modules is all you need. Most of the modules has audio inputs which are already buffered so stackcable cables are fine to use with (no voltage drop).

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Re: Stereo FX Switch module

Post by hawkfuzz » Tue Feb 11, 2020 12:14 am

:tu:

@cackland

I'm not great for block diagram reading. Would this allow signal a and b to go to either effect module?
Last edited by hawkfuzz on Tue Feb 11, 2020 12:16 am, edited 1 time in total.
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Re: Stereo FX Switch module

Post by ege.gonul » Tue Feb 11, 2020 12:15 am

If it is dual stereo effects than double Doepfer sequential switch with stereo mixer is all you need. (Still stackables in use)

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Re: Stereo FX Switch module

Post by cackland » Tue Feb 11, 2020 1:04 am

hawkfuzz wrote:
Tue Feb 11, 2020 12:14 am
:tu:

@cackland

I'm not great for block diagram reading. Would this allow signal a and b to go to either effect module?
In that block diagram, it allows for independent routing to separate sends / returns (ie different FX modules). My mistake... you said you want to route them to the same FX module.
Last edited by cackland on Wed Feb 12, 2020 1:54 pm, edited 2 times in total.

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Re: Stereo FX Switch module

Post by cackland » Tue Feb 11, 2020 1:05 am

ege.gonul wrote:
Tue Feb 11, 2020 12:13 am
scragz wrote:
Mon Feb 10, 2020 11:16 pm
cackland wrote:
Mon Feb 10, 2020 10:57 pm
I see this being a really easy module to design and build.
Just a handful of opamps, two knobs, two switches, and no fewer than FOURTEEN jacks.
You guys are overthinking it, crossfader like Doepfer and stackable cable before it going to EFX modules is all you need. Most of the modules has audio inputs which are already buffered so stackcable cables are fine to use with (no voltage drop).
We may be overthinking / over engineering something... however I like the concept and the process of implementing it as an all in one solution.

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