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2008-11-27 by eyjolv
I guess it is most likely that the problem is caused by a damaged PCB. I started out with a bad soldering iron, and think I can have destroyed the PCB by burning it. Well that was a way to practice soldering. Maybe I will try again with a new PCB. The offset error on the outputs
2008-11-24 by Dave Kendall
Ken has always been solid, honest, reliable, (stuff from Oz gets here in the UK quickly and easily) and he's a brilliant designer. His PCBs, documentation, and feedback via this list and others are excellent. His generosity and work in publishing his schematics freely has really
2008-11-24 by adaaxs
--- In cgs_synth@yahoogroups.com , "mathroutine" wrote: > > Hello, I just wanted to compliment Ken on his pcb's. I just received a > few, and the entire time I've been working on them I can't stop > looking at them - they really are special and beautiful. The orange > one in part
2008-11-24 by mathroutine
Hello, I just wanted to compliment Ken on his pcb's. I just received a few, and the entire time I've been working on them I can't stop looking at them - they really are special and beautiful. The orange one in particular, reminds me of vintage pcb's I've seen photos of. I like to
2008-11-22 by Jan-Ahrent Czmok
On 22.11.2008, at 19:17, babysealclub wrote: > CGS74 http://www.cgs.synth.net/modules/cgs74_bus.html [Non-text portions of this message have been removed]
2008-11-22 by x24holsey
--- In cgs_synth@yahoogroups.com , "babysealclub" wrote: > > Could we get a picture, or a brief description of the CGS74 MOTM style > distroboard? > > Thanks, > Todd > Todd, Looking for the same thing a week or so ago, I noticed there is actually MOTM bus-board document link on t
2008-11-22 by babysealclub
Could we get a picture, or a brief description of the CGS74 MOTM style distroboard? Thanks, Todd
2008-11-18 by Scott Deyo
Great! I love that module. Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.jealousedison.com On Nov 18, 2008, at 4:48 AM, stijncostermans wrote: > all is working!! > > tnx scott > > I don't know why but I connected the
2008-11-18 by stijncostermans
all is working!! tnx scott I don't know why but I connected the clock wire also to the speed pot ! --- In cgs_synth@yahoogroups.com , Scott Deyo wrote: > > Hi Stijn, > > The wiring is part of the schematic at: > http://cgs.synth.net/modules/burst_generator.html > > CO (clock out)
2008-11-17 by Scott Deyo
Hi Stijn, The wiring is part of the schematic at: http://cgs.synth.net/modules/burst_generator.html CO (clock out) is connected to the switch lug of CI (clock in). Without this connected your 4017 is not getting the clock, and nothing will happen at your outputs. I hope this help
2008-11-17 by stijncostermans
I guess a wireing diagram/drawing would help, I have nothing connected to the swich lugs of the jacks. the trigger from the internal oscillator I get comes from a pin on the ic, not from the jacks. at none of the jacks is any signal ore\ voltage. --- In cgs_synth@yahoogroups.com
2008-11-17 by Scott Deyo
I never am able to trim out 100%. There is no text on the trims, but you just trim the levels to the same as your other modular levels, and then trim out the inputs as much as possible. Cheers, Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Rec
2008-11-17 by Richard Brewster
I had a problem with my burst generators that was fixed by using a different brand of CMOS IC. Hopefully you used IC sockets. I replaced the first brand with Texas Instruments make, and all was well. Some CMOS doesn't clock well at low frequencies. Richard Brewster http://www.pug
2008-11-16 by Scott Deyo
You're sure the oscillator is normaled to your clock input for the divider? I fixed someone's, and the switch and signal lugs were swapped on that jack. Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.jealousedison.com
2008-11-16 by stijncostermans
I just finished constructing a bridechamber burst generator kit and .......it doesn't work! ok I haven't got too much knowledge of electronics, but this is what I can tell about the unit the internal osc works fine (cd40106) the speed pot and range swich work. for the rest nothin
2008-11-15 by casperelectronics
Thanks Scott and Ken, The problem was in the trim adjustments. Is there anywhere I can read about how to properly set all four pots? I'm still getting the littlest bit of input bleed through at the output even with fine tuning of the null trim. Is this to be expected? Thanks for
2008-11-15 by Scott Deyo
How did you wire the inputs? The 1U non-polar cap buffers the Triangle input into the Modulator In. In my modules, I don't use the Mod In pad on the PCB. Check around there to see if anything's funky. Try the trimpots, too, to make sure the output levels are high enough and the i
2008-11-14 by sasami@hotkey.net.au
obviously something isn't right. First, make sure all your diodes are facing the correct way. It's probably some simple construction error. Ken >I just built the cgs/bridechamber Wave Multipliers With Real Ring >Modulator kit. I'm very happy with the module except that the ring >
2008-11-14 by casperelectronics
I just built the cgs/bridechamber Wave Multipliers With Real Ring Modulator kit. I'm very happy with the module except that the ring modulator isn't ringing, it's just mixing. There's not a whole lot to it so I'm not sure what could be wrong. Anyone have the same issue? Is this t
2008-11-14 by eyjolv
Hi. I just built the ASR. The first module I try to build myself. Unfortunately it is not working as it should. I hope someone will have an idea what is wrong, as I don't know enough about electronics to debug this. Here is what is happening when I route the outputs to oscillator
2008-11-13 by bbluthang
> And another thing, perhaps OT, but if I wanted to hook up LEDs to > these mixer outputs, what kind of protection would they need? I > imagine that matrix to take a fair amount of punishment, if that helps! > Hi I used CGSLED boards to have leds on the outputs of my matrix mixer
2008-11-11 by a_wetterberg
hey all, nice to finally join up! So I've been going back and forth, wondering how to properly design my own matrix mixer. I am going for a 6x6 rig with normalled jacks for each column, so right away it would appear that the input/output boards aren't ideal. but what about the re
2008-11-01 by sasami@hotkey.net.au
It would be more trouble than it is worth. It would be pushing the regulators to their maximum ratings, would require higher voltage caps, and larger heatsinks. Ken >I'm building the powersupply CGS66 and was able to get a >2x26v/1x52volt toroidal transformer for free. >So now is
2008-11-01 by alphajuno28
I'm building the powersupply CGS66 and was able to get a 2x26v/1x52volt toroidal transformer for free. So now is my question, is it possible to use the transformer for the powersupply without burnin' my circuit off? Marius
2008-10-30 by sasami@hotkey.net.au
make sure the CV is set at an appropriate level. It might be filtering out of earshot. >Hi, I'm having trouble with my Synthacon filter. I have the REV1 >board, and I am unable to get the circuit to work. There is no >filtering going on. You can hear a little scratching when you
2008-10-24 by tpolokonis
Hi, I'm having trouble with my Synthacon filter. I have the REV1 board, and I am unable to get the circuit to work. There is no filtering going on. You can hear a little scratching when you turn the res pot, but that's it. I've checked orientations, replaced parts, etc. The only
2008-10-20 by Todd Fletcher
FREE Scope http://www.zelscope.com/ Make a probe: http://www.ladyada.net/library/equipt/diyaudioprobe.html Fun! [Non-text portions of this message have been removed]
2008-10-19 by djbrow54
Yes, I have 4 suboctave outputs so I needed them to always operate correctly. If the volume sounds just as loud, your fet is probably working fine. It was worth a try. Hard to debug without a scope. Dave --- In cgs_synth@yahoogroups.com , "andrewlistmayer" wrote: > > Hmm, I read
2008-10-19 by Paul Morison
unsubscribe --- On Sun, 19/10/08, Scott Deyo wrote: From: Scott Deyo Subject: Re: [cgs_synth] Re: Bi-n-tic oscillator section problems... To: cgs_synth@yahoogroups.com Date: Sunday, 19 October, 2008, 3:58 AM So the frequency of the oscillator outputs is high, right? I'm not sure
2008-10-19 by andrewlistmayer
Hmm, I read on your site that you wanted to clock the 4024 at 5hz or less. I guess this would do nothing for the filter and you wanted to use the suboctave outputs as logic, right? I don't have a scope, so I can't measure the amplitude of the 3140 output, but it seems to be almos
2008-10-19 by Richard Brewster
I had no trouble with the VCO section, but I built it like my CGS VCO, which uses a different selection of resistors in the control section. My modification to the clock driver consists of replacing the 100n capacitor on the output of the CA3140 with a link. I've added a comment
2008-10-19 by djbrow54
My VCO didn't run correctly the first time either. With a scope I could see that the ramp output of the VCO (pin 6 of the CA3140) was very low amplitude. I replaced the MPF102 with a different FET and it worked fine. I have no idea why the original FET didn't work. The clock mod
2008-10-19 by andrewlistmayer
Actually, I didn't use PCB mount pots. I just ran wires from the +/-V pads and the middle pcb mount pot holes. I may try out that clock driver mod and a bigger capacitor, but if I increase the capacitor, does that mean I'll never be able to get it to tune v/oct? --- In cgs_synth@
2008-10-19 by Scott Deyo
Are any of the middle pins on your PCB-mounted pots shorting with a side pin? Sometimes the thicker upper part of the pin can touch the extra pad next to it on the top-side of the board. I've never had it happen, but someone else has. Scott Deyo The Bridechamber contact@... http:
2008-10-19 by Tom Adam
I'm about to build my bi-n-tic and I came across this link. Check the clock driver mod. Is this what you're seeing? http://modularsynthesis.com/cgs/bi-n-tic/bi-n-tic.htm Cheers, ToAd
2008-10-19 by andrewlistmayer
Yes, at the low end of the coarse knob, the oscillator is already in the mid to high range. It does nothing til about 9 oclock then it gets higher, eventually getting so high around 1 oclock that it stops clocking the filter. The only wiring mistake I could see affecting this wou
2008-10-19 by Scott Deyo
So the frequency of the oscillator outputs is high, right? I'm not sure what would cause that. Any wiring mistakes? I usually try to make at least one on each Bintic : ) Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.j
2008-10-18 by andrewlistmayer
The filter sounds wild and wacky! Like a cross between hard sync and phasing, but it doesn't do much until the bandwidth is turned up pretty high, so I think it is supposed to be clocked slower. I turned the zero trimmer all the way down and that just increases the dead area at t
2008-10-18 by Scott Deyo
That is strange. How does the filter section sound? Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.jealousedison.com On Oct 16, 2008, at 2:06 AM, andrewlistmayer wrote: > Doh! I just had to re-install that pesky resist
2008-10-16 by Scott Deyo
That's just for the Bridechamber board, not the CGS one. The CGS one is good to go. Cheers, Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.jealousedison.com On Oct 16, 2008, at 12:15 PM, adaaxs wrote: > I have a rev 1.
2008-10-16 by adaaxs
I have a rev 1.2 board. What do do about pin1 and pin 4 of the 311. --- In cgs_synth@yahoogroups.com , Scott Deyo wrote: > > Dang! I forgot about a little boo-boo on the PCB. Link +15V to pin 1 of > the LM311 and you should be good to go. > It's not connected to anything right no
2008-10-16 by Bakis Sirros
for sale, Metalbox/CGS Dual Chime module, first version. on fine working and cosmetic condition, 90 USD (that is around 75% of the original price), i remembder it costed around 120 usd. now this first version is discontinued, as a new version is available. the first version is si
2008-10-16 by andrewlistmayer
Doh! I just had to re-install that pesky resistor to get the filter clocking, but the minimum pitch of the oscillator is still very high, even after turning the zero trimmer all the way down. --- In cgs_synth@yahoogroups.com , "andrewlistmayer" wrote: > > Ahh, thanks. Now it's os
2008-10-16 by andrewlistmayer
Ahh, thanks. Now it's oscillating alright, but really high pitched and not affecting the filter section. I guess this means I have a 4024-based problem. I'll look into it and collect some more data in case I still need help. --- In cgs_synth@yahoogroups.com , Scott Deyo wrote: >
2008-10-15 by Scott Deyo
Dang! I forgot about a little boo-boo on the PCB. Link +15V to pin 1 of the LM311 and you should be good to go. It's not connected to anything right now... sorry! Cheers, Scott Deyo The Bridechamber contact@... http://www.bridechamber.com Jealous Edison Record Kompany http://www.
2008-10-15 by andrewlistmayer
I just read through this old thread because I have a similar problem with my Bi-n-Tic. I can get a filter sweep out of the last 20% or so of the bandwidth knob, but the tuning knobs do nothing. This leads me to believe that the center frequency is stuck somewhere below the audio
2008-10-15 by cgs_synth@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the cgs_synth group. File : /Sales rules Uploaded by : cg_synth sasami@... > Description : rules for eslling on CGS Synth You can access this file at the URL: http://gro
2008-10-15 by jared
My apologies Ken. I could have sworn that I've seen people notify the list when they were selling gear. If anyone is interested or has questions, please contact me off the list. Again, my apologies. j -----Original Message----- From: cgs_synth@yahoogroups.com [mailto: cgs_synth@y
2008-10-15 by Alfredo Bello
Hello! All said! Sorry --- On Tue, 10/14/08, sasami@... sasami@... > wrote: From: sasami@... sasami@... > Subject: Re: [cgs_synth] FS: The Harvestman, Plan B, Doepfer, Metasonix To: cgs_synth@yahoogroups.com Date: Tuesday, October 14, 2008, 10:07 PM They are things that shouldn't
2008-10-15 by sasami@hotkey.net.au
They are things that shouldn't be advertised here. Ken >Hello! >What are these: >Tyme Sefari AND Sound of Thunder: $380 > >Zorlon Cannon: $275 > >Thanks! > >--- On Tue, 10/14/08, jared microcosm11@... > wrote: > >From: jared microcosm11@... > >Subject: [cgs_synth] FS: The Harvest