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DIY Eurorack Noise Module
MUFF WIGGLER Forum Index -> Music Tech DIY Goto page 1, 2  Next [all]
Author DIY Eurorack Noise Module
patilon
hallo,

i´d need some different noise colours as in the quantum rainbow.. is there anything like that as diy-kit?

thanks & regards
patilon
Jarno
It's a matter of filtering the white noise, right?
I do recall a module with white, pink, red, and blue noise, Buchla?
frequencycentral
Polyfusion has white, pink, infra red:

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/p olyfusionnoisegenerator.gif
roglok
MFOS Noise Cornucopia has LP and HP noise outputs plus adjustable grainy noise and random gates: http://www.musicfromouterspace.com/analogsynth_new/NOISECORNREV01/NOIS ECORNREV01.php

not a kit though, just a PCB. also: do you need scientifically accurate noise colors http://en.wikipedia.org/wiki/Colors_of_noise#Technical_definitions or just different sounding noise?

Technically it's just white noise fed through a bunch of static filters - not crazy complex...
roglok
frequencycentral wrote:
Polyfusion has white, pink, infra red:

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/p olyfusionnoisegenerator.gif


what's "infra red noise"?
patilon
Quote:
Polyfusion has white, pink, infra red:

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/p olyfusionnoisegenerator.gif


thanks, but the link doesn´t work.

Quote:
I do recall a module with white, pink, red, and blue noise, Buchla?

what is with buchla? yes.. looking for something like that .. white, pink, red..

it´s important that the front panel hasn´t too many hp respecively that there is a diy-kit (pcb+panel) existing. sorry, should have mentioned that.

i think, it´s different accurate noise colors than (when taking doepfers noise and quantum rainbow as reference?). the purpose is to avoid a filter after every noise source.
frequencycentral
Works for me, but here's another link:

http://www.synthfool.com/docs/Polyfusion/polyfusion_noise.gif

I think infra red is like pink, but cooler (walks with a swagger).

http://en.wikipedia.org/wiki/Colors_of_noise
patilon
thanks for the link!
unfortunately i´m not able to diy something without having a finished pcb,
but probably that would be all i´d need .. some different colours available on a small front panel.
roglok
patilon wrote:
thanks for the link!
unfortunately i´m not able to diy something without having a finished pcb,
but probably that would be all i´d need .. some different colours available on a small front panel.


Can you do stripboard? I have a simple, working stripboard layout for the HP/LP/White Noise section of the MFOS Noise Cornucopia. If you want to give it a shot I would clean it up a bit and send it over...
patilon
not really, but thank you for the offer!
and the problem is, that i totally don´t like self-drilled panels.
totally ugly if i´d try to do them by myself ,)
roglok
well then, sorry....

i think you'll have trouble finding a full-fledged kit w/ panel and all for euro - but I just found Paia does one for Frac: http://www.paia.com/proddetail.asp?prod=9751K&cat=12 - maybe you can adapt?

also, there's always the option to have schaeffer manufacture your front panel design professionally: http://www.schaeffer-ag.de/
patilon
hmm, maybe schaeffer would really be an option. no idea about the costs.
so if it´s okay, i´d like to have a look on the layout.
sometimes some try&error isn´t that bad ,)
raisinbag
Have you looked at hexinverter vc noise? It us on my want list. Comes in prebuilt and DIY both euro.
patilon
yes, have already found the hexinverter one. very nice design! thumbs up
but seems to offer a different flavour more in addition to classic
white/blue/pink noise.
Navs
patilon wrote:
not really, but thank you for the offer!
and the problem is, that i totally don´t like self-drilled panels.
totally ugly if i´d try to do them by myself ,)


You've got to start somewhere smile Have a look for a simple single transistor solutions for white noise.

Doepfer sell pre-drilled panels for ca. €5. For a noise module you wouldn't need more than a 4HP multiple sized panel. Otherwise, my tip is to buy PCB-material blanks from Makenoise or MFB - very easy to drill and the black looks great.
patilon
thanks for the inspiration ,)
yeah of course ... in case of only-noise .. it wouldn´t be that bad with the missing front panel design. but perhaps sometimes something will be offered in the diy-section .. have to start to look more within the diy-section here!
appliancide
roglok wrote:
frequencycentral wrote:
Polyfusion has white, pink, infra red:

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/p olyfusionnoisegenerator.gif


what's "infra red noise"?


It's basically a random CV. I've build this on a breadboard using a transistor instead of the noise diode, and it worked pretty good.
roglok
here's the promised stripboard layout - PDF for printing below. as stated in the image, i forgot to add decoupling caps (this was one of the first modules i ever built oops).


EDIT 01.12.2015 This layout is bugged.

Please see further down this thread for a corrected version.


terrafractyl
Hi there, Here is a rather complete Noise + S & H module + it is available as a Kit from Bridechamber. (without a euro panel though I'm afraid)

Yusynth Random Module.

http://yusynth.net/Modular/index_en.html

http://www.bridechamber.com/Yu_Random_PCB.html

You could even leave out the sample and Hold for a super simple noise circuit that provides, White, Pink and Slow Random signals.

anyway, its another option.
no-fi
holy crap... nobody knows about elby on here?

http://elby-designs.com/contents/en-us/p411.html

ED-115 is available as PCB, components, euro panel, full kit, and fully assembled.

it's exactly what the OP is asking for isn't it?
home_listening
I love mine!

no-fi wrote:
holy crap... nobody knows about elby on here?

http://elby-designs.com/contents/en-us/p411.html

ED-115 is available as PCB, components, euro panel, full kit, and fully assembled.

it's exactly what the OP is asking for isn't it?
roglok
no-fi wrote:
holy crap... nobody knows about elby on here?

http://elby-designs.com/contents/en-us/p411.html

ED-115 is available as PCB, components, euro panel, full kit, and fully assembled.

it's exactly what the OP is asking for isn't it?


hey that thing looks great! i might just get a PCB myself... but $17 for shipping costs are quite steep.

@patilon if you plan to get such a kit, let me know - we could order together and save some costs...
Navs
Another tip: Thomas Henry's Noise Generator Cookbook

http://www.magsmoke.com/thomas_henry_books.asp
no-fi
home_listening wrote:
I love mine!


me too! was a very easy build from a full kit, no dramas.

Though it's about a deep as it could possibly be and still fit in my monster base.
home_listening
no-fi wrote:

Though it's about a deep as it could possibly be and still fit in my monster base.


This is worth mentioning, it is huge. Still, to me it doesn't really belong in a skiff so it no problem at all.
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