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2009-05-28 by sasami@hotkey.net.au
The first thing? Always make sure the power is getting to the chips. What is or isn't it doing? Ken >Hi Ken, > >One of the modules I couldn't wait to have in my rack and hear was the V8 Simulator. Of course that's the only CGS project that has stifled me so far!! :) Seriously, I
2009-05-28 by j_inform3r
Hi Ken, One of the modules I couldn't wait to have in my rack and hear was the V8 Simulator. Of course that's the only CGS project that has stifled me so far!! :) Seriously, I paid usual attention while soldering in board components. And when I received my panel I carefully follo
2009-05-28 by Jon
Hi, I've added an inverting function to the CV in of the waveshaper. The idea was to be able to set it to saw and sweep to sine and the other way around. But since there's a diode on the CV input that rectifies(?) the incoming CV, it's not working. I'm not sure that I could remov
2009-05-25 by synthwick
Well, it was an IC, but not one of them on the buffer board. It was the 072 on the main pcb, clock input. The 4017 on the main board worked fine. strange... --- In cgs_synth@yahoogroups.com , "synthwick" wrote: > > I'm getting full out w/ either switch position, and from either o
2009-05-22 by Louis van Dompselaar
I uploaded the ROM images to the files section. I'm not sure how these three relate to the descriptions posted earlier by Ken, but I assume these are CGS02_R1 and CGS02_R3. If anyone else can post the CGS02_R2 2732 image I'd be grateful. Op 22 mei 2009, om 13:03 heeft acousmatiqu
2009-05-22 by acousmatique
Oh, yes please! I am very much interested in hearing those! I'd be grateful if you'd up those. --- In cgs_synth@yahoogroups.com , Louis van Dompselaar wrote: > > I can upload images from mine if anyone wants them (blue 2716 and red > and green 2764) > > > Op 22 mei 2009, om 08:31
2009-05-22 by acousmatique
Sp-sp-sp-roingggg! I don't know if I'd want a PLL in my main VCOs, but they can be fun to play with. The OSCar synth used them, and Grant Richter is fond of them. Somebody on the Electro-music Lunetta forum made an oscillator out of two PLLs trying to track each other! --- In cgs
2009-05-22 by memestudio
Hi to all, Is it possible to use the core of the Bi'n'tic filter as a HFVCO for the VCDO? Ciao Fabio --- In cgs_synth@yahoogroups.com , Louis van Dompselaar wrote: > > I can upload images from mine if anyone wants them (blue 2716 and red > and green 2764) > > > Op 22 mei 2009, om
2009-05-22 by Louis van Dompselaar
Well, Doepfer is one of the co-authors of the Elektor Sampler book, so that might explain it... Op 22 mei 2009, om 08:31 heeft sasami@... het volgende geschreven: > PLLs are NEVER that good at this task. The are bad enough that doepfer > released one as a module to exploit these
2009-05-22 by Louis van Dompselaar
I can upload images from mine if anyone wants them (blue 2716 and red and green 2764) Op 22 mei 2009, om 08:31 heeft sasami@... het volgende geschreven: > The "I misplaced the code ages ago" line below should make it clear > why I am > not posting the code here. Nothing to stop y
2009-05-22 by sasami@hotkey.net.au
PLLs are NEVER that good at this task. The are bad enough that doepfer released one as a module to exploit these tendencies. >By the way, in the 80's Elektor Sampler book there is an interesting >circuit >where the higher wave clock is generated from a normal pulse using a >PLL.
2009-05-22 by sasami@hotkey.net.au
The "I misplaced the code ages ago" line below should make it clear why I am not posting the code here. Nothing to stop you doing so if you rip it from the ROMs though. They were generated via several means. I had some other synth tables that I processes down, there were some tha
2009-05-22 by Louis van Dompselaar
By the way, in the 80's Elektor Sampler book there is an interesting circuit where the higher wave clock is generated from a normal pulse using a PLL. I am looking into this as VCO's tend to be less accurate scale-wise in the higher frequencies and if one is clocking the wavetabl
2009-05-22 by acousmatique
Any chance of posting the ROMs here? I understand your not wanting to support people's tinkering with the wavetable circuits anymore, but it'd be cool to hear them. I am getting back into perfboard and working on a VCDO now, basically based on the CGS and Digisound. For VCO I hav
2009-05-21 by sasami@hotkey.net.au
Go ahead. I do hope it is different. I misplaced the code ages ago. From http://web.archive.org/web/20030402020953/www.cgs.synth.net/pcb/index.html *CGS02_R1. This wavetable ROM is a custom wave table of 4 banks of 8 waveforms. (NOT the Digisound wavetable) that I have created. I
2009-05-21 by Louis van Dompselaar
Ok,thanks. I was actually asked this by someone who owns the Digisound VCDO and was looking for other ROMs. If this one is different, would it be a problem if I run a copy for him? On 21 mei 2009, at 01:14, sasami@... wrote: > I think the Digisound one was a red labeled 2716. > >
2009-05-20 by sasami@hotkey.net.au
I think the Digisound one was a red labeled 2716. >I know I have asked this before, but I seem to have misplaced the >reply... > >I have the blue labeled 2716 EPROM and green and red 2764. > >Is the blue labeled one the Digisound ROM? > > > > >------------------------------------
2009-05-20 by Louis van Dompselaar
I know I have asked this before, but I seem to have misplaced the reply... I have the blue labeled 2716 EPROM and green and red 2764. Is the blue labeled one the Digisound ROM?
2009-05-19 by synthwick
Thanks a lot! I will look into /2, and am glad to hear the rest are as they should be. It was a lot of fun playing with it last night while I was testing it. (what won't be fun is making all the cables I'm going to need now :D) I think there may be a labeling issue on the PCB for
2009-05-19 by sasami@hotkey.net.au
My adivce is the failure of component is the least likely cause. Have someone else look at it, or turn it upside-down and look at it from that fresh angle. It is probably a bad solder joint, reversed component or similar error. >That's not it. I tested it at the pins of the 4081,
2009-05-19 by sasami@hotkey.net.au
>on /2 phase 1&2 light/trigger at the same time, and phases 3&4 go at the same time. Sounds wrong. >/8 goes from bottom to top. (lights go from phase 4, 3, 2, 1, where the others go 1,2,3,4) A possible misslabeling on the PCB. >There are always 2 LED's lit per division channel. 1
2009-05-19 by synthwick
I'm not sure if my divider is working as it should. There are 3 issues.. on /2 phase 1&2 light/trigger at the same time, and phases 3&4 go at the same time. /8 goes from bottom to top. (lights go from phase 4, 3, 2, 1, where the others go 1,2,3,4) There are always 2 LED's lit per
2009-05-19 by moogfool
--- In cgs_synth@yahoogroups.com , "gino wong" wrote: > > I finally got around to the psycho lfo and oh boy I'm loving this > thing. I have another board so I am going to do a dual and have to > get a super board too. > > My question is: although it is great as is is is possible
2009-05-18 by John Mahoney
Fun-looking set of functions. John
2009-05-18 by synthwick
That's not it. I tested it at the pins of the 4081, and do have power. It would have to be a problem on the buffer circuit, right? Everything else seems to be working. I just double checked all of my connections, and they are all good, and go where they are supposed to. Well, the
2009-05-18 by synthwick
Thanks a lot! yes, I will use those modules together often. I'm doing a lot of semi-random song stuff w/ my modular lately, so yeah, divider, gate seq, seq switch, out to the lag, or send a pulse to the E.G. to modulate something else according to a clock tick... Can never have e
2009-05-18 by kwote uno
i think it's gorgeous but you're right.. it does kinda go against the overall modular aesthetic. but if you're confident that those modules will generally be used in conjunction with each other i can't see the harm. congrats on a job well done. -Kwote On Sun, May 17, 2009 at 1:47
2009-05-17 by sasami@hotkey.net.au
I would not expect a bad one to pass anything. It sounds more like you have a power rail that isn't connected. Ken >I'm getting full out w/ either switch position, and from either output (both pulse and full/mix) on my gate seq. I'm guessing it's the 4081, but I don't have a spar
2009-05-17 by synthwick
I've finally got my panel process down to something I'm proud of, so I've posted a photo of a few modules I'm working on now. I usually use the frack format, and leave each circuit to its own panel. (or maybe group a couple of LFO's or EG's) This time a couple of the modules were
2009-05-17 by synthwick
I'm getting full out w/ either switch position, and from either output (both pulse and full/mix) on my gate seq. I'm guessing it's the 4081, but I don't have a spare to test it. would a bad 4081 still allow the signal to pass? (just trying to be sure I'm on the right track before
2009-05-16 by Jan-Ahrent Czmok
ErJ, yes, my mails are getting you :-) I was just stuck in too many work... --jan [Non-text portions of this message have been removed]
2009-05-16 by Loscha
Jan, are my emails reaching you? I got a bounce for one of my emails and not the other. -ErJ -- www.loscha.com
2009-05-14 by Loscha
polysix chorus and slope detector board are spoken for
2009-05-14 by Loscha
Evening Gang. I've got some CGS boards I'm not going to be able to make up any time in the immediate future. Here are my asking prices in $Au (pretty much the prices on the site exchanged at 75c) CGS01 $20.00 Divider Module CGS35 $13.50 Steiner Synthacon Filter CGS57 $24.00 Bi-n-
2009-05-14 by sasami@hotkey.net.au
That sounds like temperature variation caused by lack of contact between the tempco resistor and the transistor pair. Ken >I have built several CGS VCOs and I am in constant need to re-set the SPAN trimmer every once in a while. > >I am using the SSM chip for greater stability, b
2009-05-13 by ErezYaary
I have built several CGS VCOs and I am in constant need to re-set the SPAN trimmer every once in a while. I am using the SSM chip for greater stability, but the tuning intervals are not always kept, thus am in need to take out the module and play with the SPAN trimmer. Is it a co
2009-05-13 by thomas white
Hi all, Ken, Paul, Tony... I beg your forgiveness... (iMy family name is orginally Eyebeedumm I plea) Re-posting this here (already went to AH and synth_diy) since there was some badish type mojo coming my direction for lack of posting about my previous project run to all possibl
2009-05-12 by earthtodylan2000
Hi, I just wanted to post a new video one of my bands that we did. It was directed by Spike Jonze(Being John Malkovich, Adaptation and lots of music videos too) and Crystal Moselle. http://www.youtube.com/watch?v=8syN4DJvczk Tons of my modular synthesizer system shots in the vide
2009-05-10 by sasami@hotkey.net.au
yes, the initial stage is a frequency doubler - and the outputs are a very fine pulse. It seemed like a good idea at the time, but you can live without them. >I just want to add that I read the x2 outputs have a thin pulse. From what I can tell on the schematics, the x2 and the 0
2009-05-10 by synthwick
I just want to add that I read the x2 outputs have a thin pulse. From what I can tell on the schematics, the x2 and the 0 (/1) are the same thing. If that is the case, I will just move to using /2-/16 (1-4 pads on the pcb)instead of /1-/8 (0-3 pads)for each channel. And, if I'm r
2009-05-10 by synthwick
Hello, I built the sub osc 4 or 5 years ago, and am giving it a rehab. (redoing panels for a lot of modules) Mine is wired as per the diagram on the website. I've never gotten much use out of the /1 (0 on the pcb) outputs. They never seemed to do much. So, I decided to look at it
2009-05-04 by Craig Lee
Anyone built this? Seems like an interesting module, but I'd like to hear what people think. Anyone use it as an audio waveshaper?
2009-05-03 by sasami@hotkey.net.au
Personally I'd go for a button. Ken >I'm laying out a few modules w/ reset inputs. Gate seq, mast. div, seq. switch, and Ive got a couple of modules now w/ reset. >I guess this is sort of a question about how people use their synths. I've noticed I often have my existing 2 module
2009-05-02 by synthwick
I'm laying out a few modules w/ reset inputs. Gate seq, mast. div, seq. switch, and Ive got a couple of modules now w/ reset. I guess this is sort of a question about how people use their synths. I've noticed I often have my existing 2 modules w/ reset (a divider and a sequencer
2009-04-28 by grad_e
Have forgotten to mention all posted files are following the frac-standard. --- In cgs_synth@yahoogroups.com , "grad_e" wrote: > > Hi list, I just have uploaded some of my fpd I did for some of my CGS projects. Hope they are of use to someone! Best regards, Ingo >
2009-04-27 by grad_e
Hi list, I just have uploaded some of my fpd I did for some of my CGS projects. Hope they are of use to someone! Best regards, Ingo
2009-04-21 by sasami@hotkey.net.au
>Hi Ken >on the wasp filter stuffed PCB photo, there is a little piggy back board with trimpots. Is this for setting CV bias rather than panel mounted pots or....? They were as well as the front panel pots - to "zero" the position. The fed via the 100k resistors into the CVSN poi
2009-04-21 by bbluthang
Hi Ken on the wasp filter stuffed PCB photo, there is a little piggy back board with trimpots. Is this for setting CV bias rather than panel mounted pots or....? cheers Andrew --- In cgs_synth@yahoogroups.com , "Jon" wrote: > > http://www.cgs.synth.net/modules/cgs49_twf.html > >
2009-04-19 by Jon
http://www.cgs.synth.net/modules/cgs49_twf.html Filter page is up! :) Cheers, //Jon --- In cgs_synth@yahoogroups.com , Jason Proctor wrote: > > i'll settle for a free CGS PCB of my choice :-) > > > >Someone just won an air guitar. > > > >>"Twin" Wasp Filter? > >>(If that's right,
2009-04-06 by James Elliott
Honestly.... I think I had it right the first time around. It is working and I didn't do anything.... seems that the internal clock signal is only present at the CLK-O pad when a trigger signal is sent to the module. That wasn't the behavior I was expecting when I was testing the