The 2019 Show Us Your DIY Builds Thread

From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive!

Moderators: Kent, luketeaford, lisa, Joe.

Post Reply
SoundPool
Veteran Wiggler
Posts: 584
Joined: Sun Nov 16, 2008 11:15 am
Location: Vienna

Post by SoundPool » Mon Mar 04, 2019 10:55 am

FetidEye wrote:Image
drone noise synth with 20 patchpoints
curious to hear this, is it from one of your available PCBs?

User avatar
FetidEye
demonic space drone
Posts: 2111
Joined: Mon Dec 06, 2010 5:00 pm
Location: Red Zone
Contact:

Post by FetidEye » Tue Mar 05, 2019 12:19 pm

https://soundcloud.com/reverselandfill/creepnoise
https://soundcloud.com/reverselandfill/treenoise

The insides are the CreepCluster & an old version of the Noise, which has a 4070 "ringmod" in the patchbay . I'm going to add this in again, when I order new pcb's. it gives great results!

The creepcluster section is modded with an extra analog switch routing (you can add 2 with the current pcb. ) fun part is that you can route noise though it, and change the "pitch" / switching speed.

User avatar
StillNotWorking
Veteran Wiggler
Posts: 654
Joined: Thu Aug 22, 2013 3:29 pm
Contact:

Post by StillNotWorking » Wed Mar 06, 2019 10:45 am

sduck, I'm embarking on a similar sized setup as yours. Currently shopping around for bus boards. Are those you used in your nice build commercially available?

User avatar
sduck
experimental use of gravity
Posts: 13865
Joined: Wed Feb 18, 2009 6:03 pm
Location: Vortepexaion, TN, USA

Post by sduck » Wed Mar 06, 2019 8:38 pm

StillNotWorking wrote:sduck, I'm embarking on a similar sized setup as yours. Currently shopping around for bus boards. Are those you used in your nice build commercially available?
Sure! I got them and the associated hardware from digikey - here are the part numbers links:
https://www.digikey.com/product-detail/ ... -ND/348251
https://www.digikey.com/product-detail/ ... -ND/348255
https://www.digikey.com/product-detail/ ... -ND/348252
https://www.digikey.com/product-detail/ ... -ND/348259
https://www.digikey.com/product-detail/ ... -ND/348258
https://www.digikey.com/product-detail/ ... -ND/348257

The copper bars are 3 feet long I think, but they're easy to cut to whatever size you need - I used a dremel cutting wheel. Then you need the wire - I used 14 awg stranded from home depot, it's a bit stiff to work with, but can be managed (having a good wire stripper is a Very Good Idea). I also used Ox-gard on the wire connections to ensure a problem-free long contact life. The power inlet is by schurter, mouser part number 693-4304.6058. I'll let you pick out PSUs, although I got them from mouser, can provide numbers if wanted. One thing I'll say about having dual 10.2 amp supplies - while they're fairly future proof, they're also HEAVY, and are fairly noisy, vibration-wise - if you use them, put some insulation between the PSUs and the cabinet (I need to add some). It doesn't get into the modular signal, but is audible in the room, although I find I don't notice it once I get some sound going.
flickr cloud of sound touyube NOT A MODERATOR ANYMORE

User avatar
StillNotWorking
Veteran Wiggler
Posts: 654
Joined: Thu Aug 22, 2013 3:29 pm
Contact:

Post by StillNotWorking » Thu Mar 07, 2019 6:14 am

sduck wrote:
StillNotWorking wrote:sduck, I'm embarking on a similar sized setup as yours. Currently shopping around for bus boards. Are those you used in your nice build commercially available?
Sure! ...
Thanks sduck. Although your post were very informative I'm truly sorry for the misunderstanding. I meant the PCB busboards and should have mentioned I'm slowly moving forward an old idea and are building 1 meter long skiffs with exsternal transformers for each skiff placed in a seperate skiff.

Nearly finished with the template for side panels, — some light sanding and hopefully accurate drilling still to do. Separated into two cases each 1 x 0.52 meter case will have 3 skiffs (588HP) and fittings for two standard 1U rack panels.
Image

User avatar
Synthbuilder
Super Deluxe Wiggler
Posts: 3030
Joined: Tue Mar 24, 2009 9:12 am
Location: Cumbria, UK

Post by Synthbuilder » Thu Mar 07, 2019 8:45 am

So I found some SAD512D chips that I had forgotten about that had been reclaimed from a Klark Teknik DN34. Awesome I thought. But how do I know they work. So I built a slightly modified clone of my favourite flanger, the Boss BF-1, that was repurposed to take either a SAD512D or the original SAD1024. Flanger's are an excellent way of checking behaviour of BBDs since problems with insertion loss and age related noise are easily heard.

It fits nicely in a Hammond 1590XX case - although, as you can see, I spared no expense with my no frills Dymo labelling.

Image

Image

Image

Image

If you do have a spare SAD1024 knocking around and are wondering what to do with it I have made the PCB available to purchase.

http://www.oakleysound.com/Vintage_Flanger.htm

User avatar
dooj88
Super Deluxe Wiggler
Posts: 1702
Joined: Sun Jan 29, 2017 7:31 pm
Location: lovettsville, va
Contact:

Post by dooj88 » Thu Mar 07, 2019 11:52 am

jonny_w wrote:Image

IT'S ALIIIVE!!!! I'm one switch short of getting the touch controller working (and haven't calibrated the 208 yet), but everything seems to be working as it should!! :sb:
that's fucking nuts. awesome.

User avatar
sduck
experimental use of gravity
Posts: 13865
Joined: Wed Feb 18, 2009 6:03 pm
Location: Vortepexaion, TN, USA

Post by sduck » Thu Mar 07, 2019 5:00 pm

StillNotWorking wrote: I meant the PCB busboards
Oh! They're from http://www.genusmodu.com - and get ready for some sticker shock. They may not be worth the bother for a smaller system.
flickr cloud of sound touyube NOT A MODERATOR ANYMORE

User avatar
StillNotWorking
Veteran Wiggler
Posts: 654
Joined: Thu Aug 22, 2013 3:29 pm
Contact:

Post by StillNotWorking » Thu Mar 07, 2019 7:38 pm

sduck wrote:
StillNotWorking wrote: I meant the PCB busboards
Oh! They're from http://www.genusmodu.com - and get ready for some sticker shock. They may not be worth the bother for a smaller system.
Thanks! :guinness:

ouch, those are serious money. Interestingly I find in they're noise comparation tables a standard 1oz busboard already do better than any noise figure I expect to get from any of my modules audio out. Although I can see one would want to strive for full 24-bit DR as the LIBB claimes these are out of reach for me. But I desided to upgrade to better caps on all psu boards and maybe on BB I deside to buy.

solaranus
Learning to Wiggle
Posts: 37
Joined: Sat Oct 11, 2014 4:18 pm

Post by solaranus » Sat Mar 09, 2019 7:39 am

My first five modules, four from kassutronics and simple headphone amp with three inputs. Nothing much but enough to get some textures/drones.

Image

Panels are from formulor. They look good but are sadly too easy to bend (1,6 mm thick two color) so I will have to find an alternative.

User avatar
sirjpink
Common Wiggler
Posts: 62
Joined: Sun May 21, 2017 4:04 am
Location: The Netherlands

Post by sirjpink » Sun Mar 10, 2019 12:56 pm

Build a small eurorack PSU for my orphaned Moog skiff this weekend and also put together a Kickall to test it :hmm:

Image

The PSU in slightly more detail (with some glaring design errors on my part):
Image

It runs of the standard Moog wall wart and connector board:
Image

User avatar
cartertools
Learning to Wiggle
Posts: 37
Joined: Fri Jan 19, 2018 6:10 pm
Location: Philomath

Post by cartertools » Sun Mar 10, 2019 2:32 pm

It doesn't get more basic than this. Six passive attenuators. Inputs are normalled so I can have multiple outs of the same signal at different levels. No PCB just direct wiring.
Image
Image

User avatar
sduck
experimental use of gravity
Posts: 13865
Joined: Wed Feb 18, 2009 6:03 pm
Location: Vortepexaion, TN, USA

Post by sduck » Sun Mar 10, 2019 8:59 pm

Here's one I managed to finally get done.

Image

Image

Image
flickr cloud of sound touyube NOT A MODERATOR ANYMORE

Sanoj
Learning to Wiggle
Posts: 18
Joined: Fri Jan 12, 2018 4:26 pm
Location: norway

Post by Sanoj » Mon Mar 11, 2019 6:18 pm

Built most of this stuff in 2019, exept two of the vcos and the cabinet,
some of it still needs to be calibrated :help:
also almost done with a 808 clone, and working on a 303 :)

Image
You've got so many machines, Richard

User avatar
sduck
experimental use of gravity
Posts: 13865
Joined: Wed Feb 18, 2009 6:03 pm
Location: Vortepexaion, TN, USA

Post by sduck » Wed Mar 13, 2019 7:57 pm

Got one of these going, after a false start...

Image

Image
flickr cloud of sound touyube NOT A MODERATOR ANYMORE

User avatar
AlanP
Ultra Wiggler
Posts: 969
Joined: Fri Mar 14, 2014 8:37 pm
Location: New Zealand

Post by AlanP » Thu Mar 14, 2019 9:56 pm

Image
Image

Buchla 291 Band Pass Filter, with mods by Scott Stites for low pass and high pass, plus input mixer. More organic than your grandpa's old gumboots.

User avatar
Monkizzle
Veteran Wiggler
Posts: 545
Joined: Fri Jan 29, 2016 5:21 am
Location: Trieste (IT)

Post by Monkizzle » Fri Mar 15, 2019 3:25 am

VACTROL GALORE :nana: :deadbanana:
AlanP wrote:Image
Image

Buchla 291 Band Pass Filter, with mods by Scott Stites for low pass and high pass, plus input mixer. More organic than your grandpa's old gumboots.
My patience has a limiter, and it's a Behringer.

User avatar
dot matrix madness
Wiggling with Experience
Posts: 458
Joined: Fri Aug 23, 2013 2:48 am
Location: Germany, SB

Post by dot matrix madness » Fri Mar 15, 2019 7:51 am

Theremin-like CV and Gate (Doepfer A-178 clone)

Image
Image
Licenced to solder since 1993

User avatar
elmegil
Super Deluxe Wiggler
Posts: 2969
Joined: Sun Apr 29, 2012 2:57 pm
Location: Chicago

Post by elmegil » Fri Mar 15, 2019 9:53 pm

OMG I actually finished something!! (for values of "finished" that mean "fully functional but not necessarily in an enclosure or anything)

Image

Jarno
Super Deluxe Wiggler
Posts: 2780
Joined: Mon Nov 15, 2010 6:34 am
Location: Rosmalen, NL

Post by Jarno » Sat Mar 16, 2019 9:24 am

solaranus wrote:My first five modules, four from kassutronics and simple headphone amp with three inputs. Nothing much but enough to get some textures/drones.

Image

Panels are from formulor. They look good but are sadly too easy to bend (1,6 mm thick two color) so I will have to find an alternative.
I use Formulor as well, but always the 3mm thickness, works fine. Made a balanced output module, with XLR connectors, and these have a higher insertion force so I doubled up the material, 6mm in total, no bendiness.

User avatar
Reese P. Dubin
Super Deluxe Wiggler
Posts: 1360
Joined: Wed Dec 17, 2008 12:33 pm
Location: Absolute Elsewhere

Post by Reese P. Dubin » Sat Mar 16, 2019 10:45 am

Image

4th panel for a friends system from left

CGS Bi N Tic-WOW this is amazing
Serge VCQF
Fonik Resonators
T Henry QFG- my last PCB from the legendary Randaleem scammer
CGS Infinite Melody
Fonik Attenuvert Mixer
CLOUDS with GMSN boards
C Lee quantizer

this system rocks so hard i hate giving it back every time it expands

vespine
Learning to Wiggle
Posts: 26
Joined: Sat Jul 28, 2018 5:31 am
Location: melbourne
Contact:

Post by vespine » Sun Mar 17, 2019 11:54 pm

Current progress after about 6 months, all modules built from kits by me. Have about 4 left to make, then I'm going to start working on the custom hinged case.

some of the modules are going to be fitted into the rack blanks, like the mult and maybe the output.

Image

User avatar
rsholmes
Learning to Wiggle
Posts: 38
Joined: Sat Dec 01, 2018 5:08 pm
Location: Syracuse, NY
Contact:

Post by rsholmes » Tue Mar 19, 2019 8:36 pm

So far this year.

Image
Homebrew ribbon controller

Image
3Ux104HP case, with room below for M-32

Image
Befaco Even VCO

Image
AI Synthesis Mixer and Looping ADSR

Image
Zlob MiniAtt and horstronic. Buffmult

User avatar
djthopa
Super Deluxe Wiggler
Posts: 1838
Joined: Thu Mar 22, 2012 5:48 pm
Location: Somewhere between a nappy and a wire

Post by djthopa » Wed Mar 20, 2019 5:06 am

Not module builds but little breadboard lepers to give me a hand me when trying to breadboard stuff:

Image

Image

Image

Jarno
Super Deluxe Wiggler
Posts: 2780
Joined: Mon Nov 15, 2010 6:34 am
Location: Rosmalen, NL

Post by Jarno » Thu Mar 21, 2019 5:40 am

Not a fan of breadboard myself, but those look very useful, nice work!

If you put things like integrators on there as well, you can build your own analog computer! :D

Post Reply

Return to “Music Tech DIY”