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Photon
Joined: Mar 22, 2005 Posts: 363 Location: Boston
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Posted: Tue Apr 10, 2007 3:56 pm Post subject:
Rollz-5 drum machine |
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Here's a couple of photos of my implementation of the Ciat-Lonbarde Rollz-5 drum machine. The geometric jack arrangements are pulse generators. The banks of knobs are filters: the left produce drum like sounds, the ones on the right tones. The upper four filters heterodyne and make weird shortwave radio-like sounds. You connect the pulse generators to make patterns then patch thru a filter to output.
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_________________ Freq Out
o---------------<>---------------o
flickr Last edited by Photon on Sat Aug 25, 2007 4:28 pm; edited 2 times in total |
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bugbrand
Joined: Nov 27, 2005 Posts: 846 Location: Bristol, UK
Audio files: 1
G2 patch files: 1
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shawn
Joined: Dec 13, 2005 Posts: 209 Location: savannah
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Posted: Tue Apr 10, 2007 5:21 pm Post subject:
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could you share some samples? I've admired it since i saw it on peter's site. |
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chonald
Joined: May 17, 2006 Posts: 63 Location: des moines, iowa, usa
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Posted: Wed Apr 11, 2007 1:12 am Post subject:
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What kind of case is that? How did you make the front panel (cutting it to size and fitting it in)?
It looks really nice.
Cole |
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Uncle Krunkus
Moderator
Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
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Posted: Wed Apr 11, 2007 1:35 am Post subject:
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Yes,
a very beautiful piece of instrumentation there!
I'd love to check out the schematic, the geometric patch points to create patterns has me intrigued about what is connected to them. _________________ What makes a space ours, is what we put there, and what we do there. |
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v-un-v
Janitor
Joined: May 16, 2005 Posts: 8933 Location: Birmingham, England, UK
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Posted: Wed Apr 11, 2007 1:55 am Post subject:
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What the f.... is THAT??
ME LIKES!! _________________ ACHTUNG!
ALLES TURISTEN UND NONTEKNISCHEN LOOKENPEEPERS!
DAS KOMPUTERMASCHINE IST NICHT FÜR DER GEFINGERPOKEN UND MITTENGRABEN! ODERWISE IST EASY TO SCHNAPPEN DER SPRINGENWERK, BLOWENFUSEN UND POPPENCORKEN MIT SPITZENSPARKSEN.
IST NICHT FÜR GEWERKEN BEI DUMMKOPFEN. DER RUBBERNECKEN SIGHTSEEREN KEEPEN DAS COTTONPICKEN HÄNDER IN DAS POCKETS MUSS.
ZO RELAXEN UND WATSCHEN DER BLINKENLICHTEN. |
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v-un-v
Janitor
Joined: May 16, 2005 Posts: 8933 Location: Birmingham, England, UK
Audio files: 11
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Posted: Wed Apr 11, 2007 2:00 am Post subject:
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Those circuit boards are works of art! Why hide them?? _________________ ACHTUNG!
ALLES TURISTEN UND NONTEKNISCHEN LOOKENPEEPERS!
DAS KOMPUTERMASCHINE IST NICHT FÜR DER GEFINGERPOKEN UND MITTENGRABEN! ODERWISE IST EASY TO SCHNAPPEN DER SPRINGENWERK, BLOWENFUSEN UND POPPENCORKEN MIT SPITZENSPARKSEN.
IST NICHT FÜR GEWERKEN BEI DUMMKOPFEN. DER RUBBERNECKEN SIGHTSEEREN KEEPEN DAS COTTONPICKEN HÄNDER IN DAS POCKETS MUSS.
ZO RELAXEN UND WATSCHEN DER BLINKENLICHTEN. |
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Uncle Krunkus
Moderator
Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
G2 patch files: 1
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Posted: Wed Apr 11, 2007 3:33 am Post subject:
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I just checked out the Ciat-Lonbarde web page. Man that dude is the Ray Wilson of France! Seriously geniusness!
The Rollz 5 is like a crackle box on crack!
I'm very impressed. _________________ What makes a space ours, is what we put there, and what we do there. |
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Photon
Joined: Mar 22, 2005 Posts: 363 Location: Boston
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bugbrand
Joined: Nov 27, 2005 Posts: 846 Location: Bristol, UK
Audio files: 1
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shawn
Joined: Dec 13, 2005 Posts: 209 Location: savannah
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mark_olson
Joined: Oct 26, 2006 Posts: 177 Location: Lawrence, Kansas
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Posted: Wed Apr 11, 2007 7:35 am Post subject:
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This is really really nice.
I've spent a lot of time looking at the Rollz-5 on Peter's Web site with the feeling that it would almost certainly end up on my intimidatingly long list of projects-to-do. Now it seems inevitable.
Your realization of the design is intriguing. I would love to hear some samples. Just looking at the thing is pretty inspiring though, I must say.
Mark |
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para
Joined: Oct 16, 2006 Posts: 276
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Posted: Wed Apr 11, 2007 11:48 am Post subject:
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that is some amazing work.
_ |
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zipzap
Joined: Nov 22, 2005 Posts: 559 Location: germany
Audio files: 24
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Posted: Wed Apr 11, 2007 2:19 pm Post subject:
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this is a fantastic post! i´m amazed. just spend some time on this homepage. never seen anything like this. Art.
great project, great page!
How can i imagine those "rolls of pulses"?
There are 3,4,6 roll sheets. What do they do exactly?
Do they make sound by themseves, or just with the swithed cab filters?
everything is explained, i just don´t know what 5 or 6 nodes means...
bit of a problem with a text like this:
Quote: | They are three, four, five, and six-noded versions of the same simple transistor circuit (figure 2). They cycle impulses, inverting polarity at each node; imagine a pulse oscillator flipping at a set frequency. From this humble base whole montages can be built by connecting nodes to nodes on other rolls (figure 3). I abstract the rolls as polygons; a square is a four-noded roll as a pentagon is five-noded. Connections can contain a resistance which softly melds two nodes together; a connection without resistance creates a new monad node. |
_________________ http://www.myspace.com/lorolocoacousticpop
http://www.myspace.com/petrolvendor
music and transcribed jazz basslines |
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shawn
Joined: Dec 13, 2005 Posts: 209 Location: savannah
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Posted: Wed Apr 11, 2007 3:03 pm Post subject:
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problem with the text? hell that's all of us. Try reading his fourses "papers" |
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Uncle Krunkus
Moderator
Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
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Posted: Wed Apr 11, 2007 3:46 pm Post subject:
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Imagine the classic astable made out of two transistors, two caps, and four resistors where one transistor turns on and statrts charging the other one and then back again etc. You must have seen this circuit before, yeah?
Well flip one of them out so that it turns on a third transistor, when it charges the cap it turns on a fourth, etc, etc. I think that's how he's done it. _________________ What makes a space ours, is what we put there, and what we do there. |
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zipzap
Joined: Nov 22, 2005 Posts: 559 Location: germany
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Posted: Thu Apr 12, 2007 1:56 am Post subject:
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Quote: | Imagine the classic astable made out of two transistors, two caps, and four resistors where one transistor turns on and statrts charging the other one and then back again etc. You must have seen this circuit before, yeah?
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oh yes. i have. man, those where the days... that was the first synth circuit i ever built.
so a 5 roll means that it outputs a pulsewave with a duty cycle of 1:5? _________________ http://www.myspace.com/lorolocoacousticpop
http://www.myspace.com/petrolvendor
music and transcribed jazz basslines |
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Mikmo
Joined: Dec 01, 2005 Posts: 150 Location: Copenhagen - Denmark
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Posted: Thu Apr 12, 2007 2:09 pm Post subject:
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i build the "Sidrassi" from Petes site, actually a double with 20 domed brass nuts mounted on a clear acrylic ball with blue leds inside
it makes amazing sounds, it's really good for anything from terror noise to tapping out little rythmic figures. You can play very expressive stuff on it with a little pratice _________________ Stay Cool
Mikael
http://www.mikmo.dk |
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goodrevdoc
Joined: Sep 11, 2006 Posts: 288 Location: Philadelphia, PA
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Posted: Thu Apr 12, 2007 4:32 pm Post subject:
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Absolutely speechless. Just when i thought i could stop adding projects. Very cool construction Photon. Do you play out anywhere? It seems we are in very close proximity and would love to see this thing in person. |
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Photon
Joined: Mar 22, 2005 Posts: 363 Location: Boston
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Posted: Thu Apr 12, 2007 4:54 pm Post subject:
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hey thanks.
I used to play out a lot more. These days mostly just build stuff & record at home or play with friends.
-peter |
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CJ Miller
Joined: Jan 07, 2007 Posts: 368 Location: 127.0.0.1
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Posted: Sun Apr 15, 2007 1:09 am Post subject:
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Photon wrote: | Like the weird jacks. those aren't banana. Has anyone seen them before?
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Maybe, they look like test-pin jacks. Aka mini-banana. I've seen these for test measurements on old scientific instruments.
You are so lucky to have a salvage place like that near you! I find nice old equipment online, but the frugality is lost if I need to pay $50-$100 to get things shipped to me. I always dream about hitting a yard sale where some retired engineer has a garage full of this kind of stuff to get rid of. |
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CJ Miller
Joined: Jan 07, 2007 Posts: 368 Location: 127.0.0.1
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Posted: Sun Apr 15, 2007 1:33 am Post subject:
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I've been away for a few days, I was actually going to start a topic on Peter's amazing circuits! He is definately a true original. I'd love to hear more audio of this stuff. I've been playing it safe with kits and small projects for a few years, but I've wondered why nobody seemed to be playing with transistors, norton amps, CMOS, and such to make complex and inexpensive non-pitched instruments. I first saw his web pages about a year ago but then I lost the address. His whole site makes for an amazing read.
I started making a Rollz-5 about a month ago, but had to put it off for a few weeks to do other things. I'm thinking about a modular type layout kind of like what you did. Only suitable case I have is 9"x17"x1.5" or so consumer stereo box, which is broken. Figured I might drill out the top of steel sheet to mount the hardware on. I've got bananas and small pots.
Real trick is deciding how much hardware I want to bring out! Thinking about using pots for the X, Y, and Z resistors. And switchable caps. So this is already a busy setup. I've decided to not drill out the case until I get a few circuits complete. I might not want pots for all of those resistor values, which would make things simpler. Also, I was thinking of using pots to try to "starve" the 9v power to the filters, like some people do with effect pedals, to see if this results in any interesting effects. And to make this feature creep complete, I need to wonder what happens with resistances between rolls, instead of connecting them straight
I made some component substitutions. I used 20k resistors instead of 22k everywhere just because I have a lot more of them. Used 2.2uF tantalum caps on the rolls instead of 1uF. The "hairy" caps are a weird assortment, I'll need to check them again. I wrote to Peter about these and I am still not clear.. Within each roll, do you use the same value caps? Or do you use different values within the circuit? |
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CJ Miller
Joined: Jan 07, 2007 Posts: 368 Location: 127.0.0.1
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Posted: Sun Apr 15, 2007 1:38 am Post subject:
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shawn wrote: | You think you've seen art in those paper circuits? Take a look at the Cocolase board. It's a dual 8 bit digital delay/sampler with an 8 oscillator bank in the middle. Now mind you the insanity of those traces are on both sides! Really trippy just looking at it. |
Yes, I do! I can't even imagine the Cocolase from what I've heard about it. But yes, the PCB is beautiful. A few pics I've seen of the Fourses and Fyrall boards have been amazing too. Any chances of a couple of big high-res pictures? Brilliant stuff. |
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sascha neudeck
Joined: Feb 19, 2007 Posts: 10 Location: vienna
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Mikmo
Joined: Dec 01, 2005 Posts: 150 Location: Copenhagen - Denmark
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Posted: Mon Apr 23, 2007 12:21 pm Post subject:
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Hi Sascha
Very nice tracks, i really enjoyed listening to them _________________ Stay Cool
Mikael
http://www.mikmo.dk |
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