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2010 Build Pictures
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BananaPlug



Joined: Jul 04, 2007
Posts: 307
Location: Philly
Audio files: 5

PostPosted: Thu Aug 05, 2010 2:25 pm    Post subject: Reply with quote  Mark this post and the followings unread

macumbista wrote:
TekniK wrote:
nice wiring,i like the use of those flat cables


I've used both flat wiring and wrapped wires in my builds (see the last front/back photo of the multiplier I posted a few days ago for the wrapped wire version). I noticed particularly on an 8x8 matrix mixer I built that parallel flat cables tend to give a lot more cross-talk between the channels. Am I alone in this discovery?


What to do in any given situation depends on a lot of things but sometimes people make every other wire of the flat cable be ground. That's sort of like having a half shielded cable. You also have to consider capacitance between adjacent wires in the cable. I sometimes peel off a three wire strip of ribbon cable to go from PCB to a pot but for the various ins and outs I think separate wires arranged to not run tight together is the best. Bundling looks nice but also provides the proximity crosstalk requires.
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emdot_ambient



Joined: Nov 22, 2009
Posts: 667
Location: Frederick, MD

PostPosted: Tue Aug 10, 2010 3:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

Not very sexy, but without a power supply the sexy stuff can't happen. Here's my first completed module:
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sduck



Joined: Dec 16, 2007
Posts: 459
Location: Nashville
Audio files: 5

PostPosted: Tue Aug 10, 2010 4:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Here's my Jurgen Haible Son of Storm Tide Flanger -

Jurgen Haible Son of Storm Tide Flanger front
Jurgen Haible Son of Storm Tide Flanger back

The layout of the front panel isn't the greatest - but everything's there at least.

The construction of this threw me a few problems. First, I ordered the wrong kind of resistors - those big fat ones are cute and cheap but don't really fit well. I was able to substitute a bunch of them with normal sized ones I had on hand, but still had to use a lot of the big ones. Also, I didn't really have the right size bracket, so used 2 smaller ones instead, and then cut them a bit too small for the components, so I ended up angling the pcb to make it all fit. Doesn't look great, but it works.

Oh - it's an excellent sounding flanger, and I haven't even calibrated it yet!
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adambee7



Joined: Apr 04, 2009
Posts: 420
Location: united kingdom

PostPosted: Tue Aug 10, 2010 7:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

very nice sduck. Your system must be getting quite big now. Very Happy Very Happy
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macumbista



Joined: Sep 12, 2007
Posts: 398
Location: berlin
Audio files: 3

PostPosted: Wed Aug 11, 2010 8:45 am    Post subject: Reply with quote  Mark this post and the followings unread

BananaPlug wrote:
What to do in any given situation depends on a lot of things but sometimes people make every other wire of the flat cable be ground. That's sort of like having a half shielded cable.


That's a good idea, I'll have to try that!

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sduck



Joined: Dec 16, 2007
Posts: 459
Location: Nashville
Audio files: 5

PostPosted: Wed Aug 11, 2010 6:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

adambee7 wrote:
very nice sduck. Your system must be getting quite big now. Very Happy Very Happy


Naw, it's teeny tiny -
Analog Test Array
Actually, I've ran out of space and have to juggle modules. So far it's been fairly easy - rotate out the ones that aren't working right until I fix them.
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raberaucht



Joined: Apr 18, 2010
Posts: 5
Location: Cologne, Germany

PostPosted: Sat Aug 14, 2010 10:33 am    Post subject: Reply with quote  Mark this post and the followings unread

So - here's mine! My first synth DIY build...
It's a MFOS Sound Lab Mini with fine tune and osc2 -> osc1 modulation mods plus a midimplant.
The space besides the VCA is for an additional sample & hold - not sure yet if I'll need it though.

I spray painted the panel myself and as you can tell by the looks I did also the writing...
The design was inspired by Mr. Braskas visit at Tigric's lab.

This was great fun! Looking forward to build some more...
Thank you for this great and inspiring forum!

Best,
raberaucht


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TekniK



Joined: Aug 10, 2008
Posts: 1059

PostPosted: Sat Aug 14, 2010 2:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

that orange color is very sweet and the knobs are perfect on it
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LetterBeacon



Joined: Mar 18, 2008
Posts: 454
Location: London, UK

PostPosted: Sat Aug 14, 2010 6:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

Looking good! How's the Midimplant working out?
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raberaucht



Joined: Apr 18, 2010
Posts: 5
Location: Cologne, Germany

PostPosted: Sun Aug 15, 2010 2:49 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks!

The Midimplant is working perfect so far.
It is really small and quite easy to set up.
I'm using just one CV and one gate output out of the two - all I need for the Soundlab.
To drive both OSCs with the same control voltage from the Midimplant I simply connected the CVI and CVII jacks with the switch besides the manual trigger that says 'CVI -> CVII'.
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kkissinger
Stream Operator


Joined: Mar 28, 2006
Posts: 1436
Location: Kansas City, Mo USA
Audio files: 45

PostPosted: Mon Aug 16, 2010 8:46 am    Post subject: Reply with quote  Mark this post and the followings unread

raberaucht wrote:
So - here's mine! My first synth DIY build...
It's a MFOS Sound Lab Mini with fine tune and osc2 -> osc1 modulation mods plus a midimplant.


Congratulations on a successful DIY build.

Ambitious for a first project -- well done.

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sndbyte



Joined: Jun 26, 2009
Posts: 119
Location: sf

PostPosted: Mon Aug 16, 2010 10:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just finished building the Soundlab Plus. I posted more detailed photos of the build in the MFOS section. Here is the finished piece:

soundlab plus with amp
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TekniK



Joined: Aug 10, 2008
Posts: 1059

PostPosted: Tue Aug 17, 2010 12:39 am    Post subject: Reply with quote  Mark this post and the followings unread

very cute
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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
Audio files: 23

PostPosted: Tue Aug 17, 2010 11:35 am    Post subject: Reply with quote  Mark this post and the followings unread

amazing woodwork, especially for the speaker/amp
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cheers,
matthias
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kkissinger
Stream Operator


Joined: Mar 28, 2006
Posts: 1436
Location: Kansas City, Mo USA
Audio files: 45

PostPosted: Sat Aug 21, 2010 5:06 pm    Post subject: Got this year's modules installed in a new cabinet Reply with quote  Mark this post and the followings unread

I decided to have a friend of mine (a professional woodworker) build a cabinet to house the new modules.

The cabinet is made of mahogony and is large enough to hold 17 3"x9" modules.

The new cabinet is the one along the top.

He also made another cabinet identical to the new one because I need the expansion space. I'll have to figure out where to put it!

The blank space will either become a Fixed Filter Bank or will house CGS wave folders -- probably the wave folders because the boards are already populated and it will be a "quick win" for me.

I also finished Les Halls Karplus Strong Oscillator and wrote about it on the K/S thread...

Posted Image, might have been reduced in size. Click Image to view fullscreen.


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Danno Gee Ray



Joined: Sep 25, 2005
Posts: 1351
Location: Telford, PA USA

PostPosted: Sat Aug 21, 2010 6:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

Most awesome system Kevin!
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TekniK



Joined: Aug 10, 2008
Posts: 1059

PostPosted: Sun Aug 22, 2010 1:28 am    Post subject: Reply with quote  Mark this post and the followings unread

for sure the most sexy Aries ever.
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LektroiD



Joined: Aug 23, 2008
Posts: 1019
Location: Scottish Borders
Audio files: 2
G2 patch files: 2

PostPosted: Tue Aug 31, 2010 9:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nothing special, but it all makes some fancy noises when I need them..

Need to build a cabinet for them now


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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
Audio files: 23

PostPosted: Wed Sep 01, 2010 7:12 am    Post subject: Reply with quote  Mark this post and the followings unread

LektroiD wrote:
Nothing special, but it all makes some fancy noises when I need them..

Need to build a cabinet for them now

c'mon... it IS special. you've built it on your own. it's nothing off the shelf. and i like this retro look with the raw panels and the davis(?) knobs.
- and the soundlab looks georgeous! noce color scheme...

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matthias
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richardc64



Joined: Jun 01, 2006
Posts: 679
Location: NYC
Audio files: 26

PostPosted: Thu Sep 02, 2010 6:17 am    Post subject: Reply with quote  Mark this post and the followings unread

Wow! I shouldn't have neglected this thread.

emdot_ambient wrote:
Not very sexy, but without a power supply the sexy stuff can't happen.

And just because it isn't sexy doesn't mean it can't look good. (This applies to people, as well.)

sduck
I'm not a fan of color coding but those are nice choices for labeling.

raberaucht
Un-ashamedly home made without looking sloppy. The writing enhances that. Love the Halloween color scheme.

sndbyte
So damn CLEAN!

kkissinger
I'm gonna go out on a limb and assume you're very tall. I'd need a step ladder to reach the top unit. Or that's a low ceiling exaggerating the illusion of height

What are all the green illuminated buttons?


LektroiD wrote:
Need to build a cabinet for them now

Pretty good-looking for temporary accommodations.

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kkissinger
Stream Operator


Joined: Mar 28, 2006
Posts: 1436
Location: Kansas City, Mo USA
Audio files: 45

PostPosted: Thu Sep 02, 2010 7:40 am    Post subject: Reply with quote  Mark this post and the followings unread

richardc64 wrote:
kkissinger
I'm gonna go out on a limb and assume you're very tall. I'd need a step ladder to reach the top unit. Or that's a low ceiling exaggerating the illusion of height

What are all the green illuminated buttons?


The ceiling is a bit low in my studio however I have to stand to reach the top cabinet. A new keyboard/cabinet stand is on my 'do list'.

Here is a link to a post I made that explains the green buttons:

http://electro-music.com/forum/topic-7183-519.html

I'm bringing this synth with me to EM2010 for a seminar on "DIY modules for analog synthesis" and for a musical set.

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hendrixworkshop



Joined: May 06, 2009
Posts: 57
Location: Austin, TX

PostPosted: Sat Sep 04, 2010 9:53 pm    Post subject: Damn! -- just Pg 15 Reply with quote  Mark this post and the followings unread

@emdot_ambient -- That is a great piece of work. Clean, efficient with room to grow... I don't ever decorate any of my enclosures (I haven't done crazy nice stuff like in this thred) and I like it that way. I think of all my instruments/effects as power tools - So if they look like an old cast aluminum belt sander, it makes me happy! As long as they are durable and work. I have used a clear red plastic Hammond enclosure though...

@sduck -- Damn...very well done and labeled. The wiring is tight! It looks very sculptural with the primary colors and the gauge you chose. The colored labeling on front is nice and makes me think of how the instruments on the original Enterprise must have been labeled. Gene R. had a thing for color coding.

@raberaucht -- My dad and I have always had a thing for that color of orange - it is perfect -- We call it the Gulf Oil orange because he had a bunch of cans of that color labeled for Gulf Oil for use at their gas stations! I like the expedient hand lettering. You're the one using the device. I can't think of anything more familiar to the eye, than your own script.

@sndbyte -- Your presentation is impeccable. I love the soundlab cabinet, but especially the custom speaker. The speaker implies (to me at least) a lot of love and instrument husbandry. Did you do the front panel also?

@kkissinger -- Jesus man...Do you have kids?? That is a behemoth. It is like a spaceship of your very own. (like when I was a kid) I wanna come play at your house. The woodworking/joinery is awesome - beautiful mahogany.

@LektroiD -- Nice suitcase setup. I love looking at suitcase instruments - they make me think of secret agents, intelligence agencies, weapons of some sort, that you just show up, open, and throw down with.

I saw this thread in January, and thought " I should post some of my stuff", and here we are at September. I had a busy summer, and built a lot of units - but now the kids started back to school it takes so much more of my time...I have to sneak off to the workshop, saying that I'm cleaning, or some such excuse that will fly with my wife. Here I am at 11:00pm just getting started, and I have at least 2 hours of stuff I want to get done.

Thanks for everyone's posts!
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hendrixworkshop



Joined: May 06, 2009
Posts: 57
Location: Austin, TX

PostPosted: Sat Sep 04, 2010 10:29 pm    Post subject: Some Gristleizers I built... Reply with quote  Mark this post and the followings unread

Creds: The Gristleizer. A design based on the circuit by Roy Gwinn and popularized by Chris Carter. Board designed by Taylor Livingston.

The first one (pictured last) is housed in an old BUD Radio box - all steel. This a great effect. Many think a one-trick-pony at first. It depends on how carefully you use it. It can do gentle 15 second long filter sweeps or it can do heavily filtered, choppy tremolo. No labels - but it's just 1 rotary switch and 4 knobs, so at least I can remember.

The second one (first three pics) I was going for thumb control - about the footprint of a playstation controller. Vintage knobs, housed in a cheapy RadioShack project box. Sold to a fellow in Las Vegas for $100. I thought he got a deal, because, as it was a prototype, I put a lot of love in its design and made many tweaks to sound and hardware.


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hendrixworkshop



Joined: May 06, 2009
Posts: 57
Location: Austin, TX

PostPosted: Sat Sep 04, 2010 10:34 pm    Post subject: Out of warranty - the bugbrand devices, modded Reply with quote  Mark this post and the followings unread

Long winded explanation about a bugbrand BoardWeevil 2009 mod:

Since I've had the bugbrand BoardWeevil, I've wanted to stabilize the touch pads so that I could hold one of those cool in-between sounds (Jetson-sy, babbling water, starve crunchiness, etc.). So I finally took the plunge and made a breakout box for it.

1. This breakout box has a lot of wires in it. When I get finished describing it, you'll probably be horrified. I added an LFO (directly below the Weevil, tapped right off of the positive and negative board origin right under the battery. It has tri and square waves, and a rate and depth control. Hardly need the rate part, because being able to change the waveshape greatly increases the playability. I took the design of Peter's at CasperElectronics - to add an LFO to the pitch contact in a Speak and Spell bend. The two banana jacks immediately to the right of the LFO (blk and red) are the leads from the LFO circuit that went to the pitch control(blk), and the V+(red).

The banana jacks (black) in a C shape just to the right of the BoardWeevil are laid out the same as the touch points on the Weevil, just turned CW 90 degrees. There are also 2 - 12 step rotary switches on the left side of the box - each connects to the same 12 touch points/banana jacks, so you can mix them up and play the switches. The jacks for the switches are the two red ones at the top of the "C". Unfortunately one of the switches feels like it will grind itself apart someday soon. I'm ordering better switches. They are non-shorting rotary switches. I bet your thinking - how much current have I robbed from the circuit? A lot. The starve knobs does not as acutely effect the sound. So I imagine it is always starving a little. The V+ seems to act like a voltage follower(?).

The potentiometer banana jacks are on the top right. They all have switches to turn them off. So you can prepare beforehand and add voices, or subtract them when soloing. The first, from left to right, goes to a photoresistor. The second to a single turn B1k pot. The third and the one diectly under it go to two 10-turn potentiometers. Those are the most gratifying of the breakouts because they can feel out the starved in betweens and hold them - sometimes they sound like they are sweeping a filter. Real nice. The last two pot breakout sections go to the x and Y axis of the analog joystick. The joystick is good for soloing, but it's range of motion (or quality) doesn't have any subtlety. It was the original accessory for the breakout box.

I don't know how I could have condensed this. Sorry


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hendrixworkshop



Joined: May 06, 2009
Posts: 57
Location: Austin, TX

PostPosted: Sat Sep 04, 2010 10:39 pm    Post subject: Another, lesser bug modified - as a gift to my brother Reply with quote  Mark this post and the followings unread

Shorter explanation of a modded/broken out Workshop Oscillator Machine:

This is a bugbrand W. (orkshop) O. (scillator) M. (achine) that I built a year ago and then traded my brother Joe, broken out with banana jacks. It has breakouts for 2 potentiometers (up top). The touch contact breakout jacks are the grid of 12 (counting from the bottom up and left to right). The 12 step rotary switch on the right side has a jack at the very top/center of the pack. It allows you to scroll through sound and give more playability. I made this for my brother Joe when he came in June. It is a scaled down version of the breakout box I made for my BoardWeevil09. It stabilizes all the connections that Tom Bugs left for the fingers - it is a rich analog synth.

Tom Bugs said about both of these mods (W.O.M. & BoardWeevil 2009):

Heya Andy,

Those two boxes are mind-boggling crazy wonders!
Really ----- WOW.!

I won't pretend to fully understand all your mods, but hot-darn -- if it works then that's great!


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