Make Noise CV Bus as multiple?

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JosteinTopland
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Make Noise CV Bus as multiple?

Post by JosteinTopland » Tue Mar 24, 2015 5:48 pm

Hi,

Simple question, does the Make Noise CV Bus from the Shared System act as a passive multipler? I'm thinking of adding a Make Noise Multiple to my eurorack.

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Jostein

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Post by sackley » Tue Mar 24, 2015 6:27 pm

If you mean what I think you mean...

Yes, it's actually a buffered multiple. Four '1-in-4-outs'.

I'm not sure what else it could be... :despair: :guinness:

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Post by Laurenb » Mon Nov 02, 2015 2:57 pm

Yes - but the cv bus only comes with the shared system.

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Post by cityz3n » Mon Nov 02, 2015 3:20 pm

But you can order an empty 7u case with the cv bus.
It's $899. And I'm waiting for mine as we speak.

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Post by Laurenb » Mon Nov 02, 2015 3:36 pm

wait - really? where did you see the cv bus with the 7u? directly from make noise?

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Post by macs4music » Tue Nov 03, 2015 7:45 am

Same here, you have to email and request one. Bear in mind a wait time of 5-8 weeks, as they prioritise those going to shared systems. If they have spare cases then they sell them. Hoping mine is here before Christmas as I'm planning on using it live in January!

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Post by reodjectz » Tue Nov 03, 2015 9:19 am

sackley wrote:If you mean what I think you mean...

Yes, it's actually a buffered multiple. Four '1-in-4-outs'.

I'm not sure what else it could be... :despair: :guinness:
This is not true. It is not buffered - and any jack can be used as an input. AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).

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Post by solaris » Tue Nov 03, 2015 9:31 am

reodjectz wrote:AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
except that within the MakeNoise ecosystem (read: when using ONLY makenoise modules) this is totally allowed and will not cause any harm.
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Post by reodjectz » Tue Nov 03, 2015 9:41 am

solaris wrote:
reodjectz wrote:AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
except that within the MakeNoise ecosystem (read: when using ONLY makenoise modules) this is totally allowed and will not cause any harm.

.... I hope that isn't their excuse for the maths famous "cycle is 'on' on your maths? We made your trigger-in an output for you!" issue.

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Post by solaris » Tue Nov 03, 2015 9:44 am

reodjectz wrote:
solaris wrote:
reodjectz wrote:AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
except that within the MakeNoise ecosystem (read: when using ONLY makenoise modules) this is totally allowed and will not cause any harm.

.... I hope that isn't their excuse for the maths famous "cycle is 'on' on your maths? We made your trigger-in an output for you!" issue.
not sure that I get what do you mean, but if you use the search you will find a few posts by Tony stating that you can stack pulses because their inputs are OR'd.
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Post by Ashi » Tue Nov 03, 2015 9:51 am

a bit off topic but does that mean I can use a passive mult to mix two gate signals from pressure points going to trigger in of maths? would make some patching easier for me

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Post by solaris » Tue Nov 03, 2015 10:11 am

@Ashi:
ja genau!
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Post by Reason101 » Tue Nov 03, 2015 11:01 am

reodjectz wrote:
sackley wrote:If you mean what I think you mean...

Yes, it's actually a buffered multiple. Four '1-in-4-outs'.

I'm not sure what else it could be... :despair: :guinness:
This is not true. It is not buffered - and any jack can be used as an input. AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
I'm not sure what you're saying is true. As I understand it, you can't send audio into a passive multiple and feed out four other identical signals. Hence, the point of having a buffered multiple. I have, however, multiplied audio signals without problem using the Make Noise CV bus. I believe it is buffered. But perhaps Make Noise can clarify that.

Kinda bugs me that there's no documentation for the CV Bus on their site.
Last edited by Reason101 on Tue Nov 03, 2015 11:06 am, edited 1 time in total.

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Post by solaris » Tue Nov 03, 2015 11:06 am

Reason101 wrote:
reodjectz wrote:
sackley wrote:If you mean what I think you mean...

Yes, it's actually a buffered multiple. Four '1-in-4-outs'.

I'm not sure what else it could be... :despair: :guinness:
This is not true. It is not buffered - and any jack can be used as an input. AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
I'm not sure what you're saying is true. As I understand it, you can't send audio into a passive multiple and feed out three other identical signals. Hence, the point of having a buffered multiple. I have, however, multiplied audio signals without problem using the Make Noise CV bus. I believe it is buffered. But perhaps Make Noise can clarify that.
makenoise inputs (or ouputs?) are already "buffered" so you do not need a buffered mult.

EDIT:
http://www.makenoisemusic.com/mult.html

on that page they state
The Multiple is passive, because the Make Noise system does not require Buffered Multiples since all critical control signals are already buffered in such a way as to provide a large fan-out capability.
also on various manuals (maths, function, pressure points, etc)
outputs capable of driving multiple destinations without loading effects (no buffered mult needed)
Last edited by solaris on Tue Nov 03, 2015 11:13 am, edited 2 times in total.
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Post by Reason101 » Tue Nov 03, 2015 11:08 am

solaris wrote: makenoise inputs (or ouputs?) are already "buffered" so you do not need a buffered mult.
Right. So what you and I are saying is exactly the same thing. The CV bus is "buffered" -- the CV Bus acts as a buffered multiple. Potato / Potahtoe

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Post by solaris » Tue Nov 03, 2015 11:11 am

Reason101 wrote:
solaris wrote: makenoise inputs (or ouputs?) are already "buffered" so you do not need a buffered mult.
Right. So what you and I are saying is exactly the same thing. The CV bus is "buffered" -- the CV Bus acts as a buffered multiple. Potato / Potahtoe
ok, I don't know if the CV-bus is buffered or not BUT you don't need a buffered mult for MN modules (see my post above).
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Post by Reason101 » Tue Nov 03, 2015 11:16 am

solaris wrote:no :-)
the CV bus is passive (NOT buffered).
you could use any other non-buffered mult instead of the MN CV-bus and it will be the same.
Well then color me confused. In one message you said the Make Noise Inputs / Outputs are already "buffered" and then here you are saying the CV Bus is NOT buffered.

All I'm saying is that I can split audio very successfully using the CV Bus. I was under the impression this could only be done with a buffered multiple, and NOT a passive one.

Maybe a little more clarification would help?

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Post by VortexRanger » Tue Nov 03, 2015 11:19 am

Reason101 wrote:
reodjectz wrote:
sackley wrote:If you mean what I think you mean...

Yes, it's actually a buffered multiple. Four '1-in-4-outs'.

I'm not sure what else it could be... :despair: :guinness:
This is not true. It is not buffered - and any jack can be used as an input. AND if you accidentally patch two outputs to it the signal will 'mix' (as in the bad stackcable kind of mixing).
I'm not sure what you're saying is true. As I understand it, you can't send audio into a passive multiple and feed out three other identical signals. Hence, the point of having a buffered multiple. I have, however, multiplied audio signals without problem using the Make Noise CV bus. I believe it is buffered. But perhaps Make Noise can clarify that.
The CV Bus is a passive multiple. You can use it to mult any type of signal: audio, CV or gates.

The only time a buffered multiple is needed is when control voltage is sent from an unbuffered output to multiple destinations that require unity at the input: typically 1v/oct inputs. Because all critical CV outputs in the Make Noise System are buffered, a passive multiple is all that is needed.

Additionally, the CV Bus can be used for OR-combination of gates within the Make Noise System.

Combination of non-gate signals in the CV Bus is not supported, but will not damage anything.

Walker
Make Noise Co.
:hobbes:

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Post by solaris » Tue Nov 03, 2015 11:19 am

ok sorry :-)

I wanted to say that MN *modules* outs are buffered.
maths, function, pressure points, etc have buffered outs.
you don't need a buffered mult.

*maybe* the CV-bus is buffered, but I would be surprised.
I don't have one.
but I do have several MN modules and I never needed a buffered mult AND Tony & the users manuals state that you do not need one.

EDIT:
slow typing & Walker to the rescue!
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Post by Reason101 » Tue Nov 03, 2015 11:27 am

VortexRanger wrote: The CV Bus is a passive multiple. You can use it to mult any type of signal: audio, CV or gates.

The only time a buffered multiple is needed is when control voltage is sent from an unbuffered output to multiple destinations that require unity at the input: typically 1v/oct inputs. Because all critical CV outputs in the Make Noise System are buffered, a passive multiple is all that is needed.

Additionally, the CV Bus can be used for OR-combination of gates within the Make Noise System.

Combination of non-gate signals in the CV Bus is not supported, but will not damage anything.

Walker
Make Noise Co.
Thanks for clarifying. I stand corrected.

And I now understand the CV bus (and other modules) a little better.

A manual for that CV bus would be really handy.

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Post by reodjectz » Tue Nov 03, 2015 11:57 am

Who told you you need a buffered multiple to split audio? That is simply not true.

and I reiterate: the CV bus is a essentially a passive multiple with fancy LEDs; that's it.

While what solars is saying is true about regular MN modules, but not relevant to the CV bus.

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Post by flashheart » Tue Nov 03, 2015 12:09 pm

VortexRanger wrote: Additionally, the CV Bus can be used for OR-combination of gates within the Make Noise System.

Combination of non-gate signals in the CV Bus is not supported, but will not damage anything.

Walker
Make Noise Co.
Very curious how this works as passive gate combining usually uses diode logic (diodes + pull down resistor_. Clearly there can't be any diodes for combining in the passive mult as this would screw up any other signals.
I'm not buying a maths though, not my idea of fun...

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Post by reodjectz » Tue Nov 03, 2015 12:51 pm

flashheart wrote:
VortexRanger wrote: Additionally, the CV Bus can be used for OR-combination of gates within the Make Noise System.

Combination of non-gate signals in the CV Bus is not supported, but will not damage anything.

Walker
Make Noise Co.
Very curious how this works as passive gate combining usually uses diode logic (diodes + pull down resistor_. Clearly there can't be any diodes for combining in the passive mult as this would screw up any other signals.
within the Make Noise System. That is the important part.

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Post by Reason101 » Tue Nov 03, 2015 3:20 pm

reodjectz wrote:Who told you you need a buffered multiple to split audio? That is simply not true.

and I reiterate: the CV bus is a essentially a passive multiple with fancy LEDs; that's it.

While what solars is saying is true about regular MN modules, but not relevant to the CV bus.
I was misinformed then. As I said, I stand corrected. I had always thought you needed a buffered mult to split audio. Walker corrected things and shed light on their CV bus as well. Now I have the correct answer. Thanks again!

Incidentally, I didn't know that you could use the bus as a combined or for gates. That little tidbit was also enlightening. And points once again to the need for documentation.

Rob

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Post by Reason101 » Mon Nov 09, 2015 3:43 pm

Forgive me for hijacking this thread a bit, but I have a question about the regular MN multiple. On the MN site, it says that you can create three 3-way, one 5-way & one 3-way, or one 7-way multiples. However, this is a bit confusing. If I am understanding this correctly, you're including the "input" as part of the "way," if that makes sense. And it leads me to question how the "break" points (jacks with white circles) are handled.

Can I assume that if I input into the top-most jack, that splits occur all the way down the line (except for the jacks with white circles)? In this case, you can input at the top jack, and have 6 splits that are output from that single input. So it's not a one 7-way split exactly. It's a 1 input to 6 output. Similarly, that would mean it can be a 3x (1 input to 2 output) module.

Can I also assume that jacks with the white circles are input only?

Do I have this right?

Thanks in advance for some answers. I only have the cv bus, and not an actual passive multiple.

Rob

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