2015 Build Pictures

AlanP · Posted: Sat May 16, 2015 4:31 am Post subject:

That looks really cool Smile

How stable is it when someone hits one of the panels?

nicolas3141 · Posted: Sat May 16, 2015 4:40 am Post subject:

I have an exhibition up at a local gallery at the moment, four interactive sculptural sound works http://auricle.org.nz/
To a certain extent they play themselves based on lots of LFOs and to a certain extent they are playable by touching the contact plates to make additional connections and modulate those connections with skin resistance. In the exhibit, that one is made more stable by being attached to a wooden plinth.

Nicolas

blue hell · Posted: Sat May 16, 2015 5:11 am Post subject:

AlanP · Posted: Sat May 16, 2015 1:31 pm Post subject:

Christchurch... too far for me to get to, I'm afraid!

JL · Joined: Jun 25, 2012 Posts: 20 Location: New England

4 input mixer into a VCA. The VCA section is the Yusynth simple VCA with a few cut corners and kludges.
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EFM 3529 Lowpass/Bandpass VCF. Sounds good, but overdrives a little too easily and has a lot of hiss. Had to tweak a few things to make the clipping more symmetrical (improved headroom too) and lower the cutoff freq a bit.
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Dan Lavin · Posted: Thu Jun 04, 2015 6:35 pm Post subject:

Here's a standard PAIA Stack-in-a-Box with my custom graphics applied to the stock rack panel. Obviously into Surf Rock here. I would not recommend increasing the crunch to a value higher than the supplied 10K ohm pot unless you're into grunge and/or metal.

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My "Surf's Up Edition" panel art

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richardc64 · Posted: Fri Jun 05, 2015 5:22 am Post subject:

Nice work, Dan. I like the surfboard power switch. Nice graphics overall.

donpachi · Posted: Fri Jun 05, 2015 7:24 am Post subject:

Dan, that surf amp is outstanding!
And I also fancy your panels, JL --- have done quite some Dymo and hammer-on builds too, first as a makeshift, then out of habit, then grew into liking them a lot Very Happy

Oh, and the readability of hammer-on letters can be improved by applying "lacquer stik" wax or similar, a trick I learned from fonik.

Broadwave · Posted: Wed Jun 10, 2015 9:54 pm Post subject:

Broadwave · Posted: Wed Jun 10, 2015 10:44 pm Post subject:

This could well be my last project...

Although I've amassed a decent collection of soft synths over the past 10 years or so, I've never been happy with the way you have to integrate with them (pushing sliders/knobs/switches etc with a mouse, or worse still trying to remember what knob on your controller changes whatever parameter!)

I always liked the idea of the Open Labs Neko, but it was just too expensive. So, for £330, I've built something that has changed the way my studio now works.

It's just a basic 1U Mini ITX PC (all parts off ebay £60), 120Gb SSD (£36 Amazon), HP 23TM Touch screen Monitor (£149 Debenhams UK), Alesis V61 (£85 ebay)

Everything else, 30Gb Boot SDD, M-Audio 1814FW, Fostex VC-8 ADAT expander, MIDI Interface and Patch bay, were rescued from the attic.
It's all built into a pretty hideous Tolex covered box, but it all does what I hoped it would.

I'm running Image Line's Minihost Modular as the main interface, all the physical ADAT I/Os appear on screen as Yellow tabs, which means I can route external hardware through VST FX simply via drag and drop, and of course I can run plenty of Soft synths and route them to any ADAT output for recording into Logic.

The large touch screen is the key to it all working smoothly. Editing softsynths is now far faster and more enjoyable than scrabbling around with a mouse Wink

jksuperstar · Posted: Thu Jun 11, 2015 10:56 am Post subject:

Great work Andy! I am in the process of doing something very similar (using a miniITX PC, Sonic-Core XITE, Touch Screen, iPad, and some controllers (launchpad, QuNexus, and Arturia SparkLE).

Same inspiration to have it all prewired and ready to go. with no mouse fiddling. I'll post pics when I'm done...

Dan Lavin · Posted: Fri Jun 12, 2015 3:16 pm Post subject: Roland AX-7 restoration

I just finished restoring a Roland AX-7 I got for cheap off ebay this winter. It was cheap because the body was duct-taped together, the previous owner actually abused it to the point of the internal standoffs breaking off. Hmmm imagine a rock performer abusing a piece of musical equipment! Wink

Anyway, I took the opportunity to get rid of the boring all white finish that came with the factory model.

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kanji · Joined: Aug 17, 2012 Posts: 7 Location: Finland

Here's something I've been working on at these last couple months.

It's a four voice JP clone build using original Jupiter 8 schematics.

Each four voices have two VCO's per voice as in original.

Modules build so far are :
8 x VCO cards each with Saw, Square and PWM waveforms.
Each sound card has 4052 multiplexer as on output controller as in original so each voices waveform can be assigned digitally.

4 x 4-Pole "Roland" OTA Filters. Made pretty much same way as 80017A filter clones.

2 x VCADSR cards that control ENV1 and ENV2 envelope generators.

+ LFO card, PWM control section and various Modulation Control "cards" that control and mixes various modulations to each filter and voices.

Here is couple videos from the clone so far :

https://www.youtube.com/watch?v=1fX8TPMrIbY

https://www.youtube.com/watch?v=x9K_TSB4fHM

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isak

DES · Posted: Sun Jun 14, 2015 7:25 am Post subject:

kanji - Wow that is nice! You made the case as well?

AndyR196 - What a great job! So are you finding the touch screen to work well with plugins? I've been thinking about using a touch screen in my rig but most people I've bounced the idea off of have sounded quite skeptical saying that the VSTs needed to be optimized for touch screen. Perhaps for multi- touch?

kanji · Joined: Aug 17, 2012 Posts: 7 Location: Finland

Thank you for the comments.

I did the casing and panel as well. Casing is not 100% ready yet.
I still need small panel for pitch bend/modulation control section and this synth is going to get aluminum ends, like the ones in real jupiter 6/8 Smile

Broadwave · Posted: Tue Jun 16, 2015 10:53 am Post subject:

vladosh · Posted: Tue Jun 16, 2015 11:32 pm Post subject:

Mini Modular in a salvaged box from an old factory equipment , it has: MFOS VCO ,Serge VCS , Serge Negative Slew ,Polivoks VCF , Parametric Moog Eq ,Buchla 208 Random , NLC Analog Neuron ,NLC Chaos Jerk ,NLC Difference Rectifier , VCA ,Yusynth Quadrature VC-LFO ,CGS Grinder ,E4M Xmix , Morphlag Envelope/Lag ,Clock Divider ,Yusynth Noise ,it takes a while to finish it if you start building two at the same time

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richardc64 · Posted: Wed Jun 17, 2015 9:02 am Post subject:

This both saddened and angered me...

helge-h · Posted: Tue Jul 14, 2015 12:18 pm Post subject:

Just finished my first rack, all my own design, although some are text-book circuits. One-and-a-half years in the making.

The measurements are non-standard: 16 cm hight and a multiple of 4 cm width for each module.

The modules:

Top row:
- 12 step sequencer with lots of functions
- dual LFO for clocks; counter (2-4-8-16); noise source, sample-and-hold and portamento in one module
- quad 4-input mixer
- dual envelope generator; ADSR
- dual envelope generator (attack-decay) and dual VCA
- VCO
- ring modulator; waveshaper
- digital signal processing module with many options; for example delay

Bottom row:
- power supply
- MIDI to CV (and USB input, but not finished)
- dual LFO
- buffers, multiples, triple mixer and audio output
- quad VCA
- VCO
- sub oscillator connected to the VCO
- dual state variable filter, with vactrols

It's an analog synth, but internally many of the modules have digital circuitry and microcontrollers.
I may present some of the modules in more detail later.

… and I also made a MIDI keyboard.

I have found lots of inspiration on this forum, so much good stuff being made.

Helge

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blue hell · Posted: Tue Jul 14, 2015 1:45 pm Post subject:

helge-h · Posted: Tue Jul 14, 2015 2:45 pm Post subject:

Gman · Joined: Jul 18, 2015 Posts: 12 Location: New Jersey

Hey guys! I'm new to the forum, but have visited it many times in the past few months on my quest to build my first modular system. I wanted to show off my system now that I have finally finished it! All the circuits were hand soldered on perf board and I used a label maker for the panels and 3D printed the knobs (Knobs are surprisingly expensive!). The filter doesn't have labels unfortunately because I used the label maker at my High School but I just graduated and don't have access to it anymore. I'm now working on my 2nd modular system which is a bit more ambitious because the cabinet is 4ft wide and inspired by the Moog system 35!

I built 9 modules consisting of:
-VCO-1
-VCO-555
-1 low-pass filter
-2 YuSynth VCAs
-1 LFO
-2 Thomas Henry ARs
-1 Yusynth mixer

Shock_Hazard · Joined: Jul 17, 2015 Posts: 16 Location: Gwynedd

Forgive me if I'm missing something but, what's the point of this thread? Isn't the whole DIY section basically a "post photos of your builds" topic? It seems totally arbitrary.
Some great stuff (like the fantastic synth in the previous post) seems to be getting lost in these annual threads, it deprives the forum of new threads and subsequent discussion by confining things to one thread.

-minus- · Joined: Oct 26, 2008 Posts: 787 Audio files: 13

I don't mind these 'show us what you've built' threads. I'm hoping it shames me into getting my arse into gear and stop procrastinating. As a general look at what is being made by members, I think it works fine. A link to a more concise thread is always handy though.