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2010-09-04 by Elby Designs
The point marked Mixer Bus is a virtual ground so you won't see anything. You need to take your outputs from the `other' side of those resistors. You may need to add a buffer on each one to prevent loading etc from external circuits. You may be interested to know that for my Pant
2010-09-04 by sasami@hotkey.net.au
Bad! If you are taking it before the 470k, at the IC pin, you are risking your chip. If you take it the bus side, you are connecting to a summing node, where the voltage never varys from 0 volts! Connect a 1k resistor the collector of each of the LED driver transistors. Run thoes
2010-09-03 by Rico
Hey guys, Im trying to wire individual outs for each LFO on the Super Psycho LFO So on the schematic it looks to me if i grab the signal from the 470k resistor (marked "mixer bus") and run it to a grounded jack I should be cool. When i tried it I got nothing, The rest of it is fi
2010-08-28 by John Audette
Check these manufacturers out: http://www.megaohmaudio.com/LFO.html http://www.groveaudio.com/eminstruments/gmp782.aspx -=john On 27 August 2010 14:50, cybernout232 cybernout232@... > wrote: > > > hello everyone. i just got a synthesizers.com synth and im looking for an > LFO tha
2010-08-27 by cybernout232
very cool. thank you. i did not that. --- In cgs_synth@yahoogroups.com , Jason Proctor wrote: > > yes. there's a reason why Roger doesnt offer an LFO module. the VCO > is the LFO too :-) > > and a really good one. > > > >oh...OK. it works like the Moog MiniMoog"s third VCO??? > >
2010-08-27 by Jason Proctor
yes. there's a reason why Roger doesnt offer an LFO module. the VCO is the LFO too :-) and a really good one. >oh...OK. it works like the Moog MiniMoog"s third VCO??? > > >--- In cgs_synth@yahoogroups.com , Jason Proctor wrote: >> >> you could just get a synthesizers.com VCO, whi
2010-08-27 by cybernout232
oh...OK. it works like the Moog MiniMoog"s third VCO??? --- In cgs_synth@yahoogroups.com , Jason Proctor wrote: > > you could just get a synthesizers.com VCO, which doubles as an LFO. > 100% compatibility guaranteed :-) > > http://synthesizers.com/q106.html > > a bit more expensi
2010-08-27 by Jason Proctor
you could just get a synthesizers.com VCO, which doubles as an LFO. 100% compatibility guaranteed :-) http://synthesizers.com/q106.html a bit more expensive than your average dedicated LFO, but it does have a lot more features! >hello everyone. i just got a synthesizers.com synth
2010-08-27 by cybernout232
hello everyone. i just got a synthesizers.com synth and im looking for an LFO that will work with it. i don't know that much about the proper voltage that is used by the dotcom synth for CV. this is my first go with a mod synth. i dont know much on the tech side. i also need it t
2010-08-22 by Doug
Amazing how helpful forums can be, eh? :-) I have that same thing happen to me frequently. There's something about formulating a question that sparks a different set of neurons in the brain. Just wish I could figure out how to fire them up at will. Glad you're up and running! ---
2010-08-22 by Jason Proctor
of course, this always happens. as soon as i post... turns out the 2907s i got are rogue ones with backwards pinout. swap it out, boom! nice signal. backwards resonance pot, but i can easily fix that... thanks all.
2010-08-22 by Jason Proctor
well, a few months later and i'm back on the crusade to make my Steiner work. situation: the filter works, but it has kinda low output level and it's noisy. turning up the resonance makes the signal *quieter* until it's completely silent at max. CV control of cutoff works fine in
2010-08-12 by sasami@hotkey.net.au
Hi Alfredo, There is no third diagram. Check for solder bridges, or an accidental break/lifting of a track from soldering or wire trimming. Make sure the transistor really is in the right way. Sometimes the transistor will have a different pin-out to what is expected, depending o
2010-08-12 by ALFREDO
Hi Ken, thanks for second wiring diagram. I implemented everithing included in that two diagrames and there's no sound at the saw to sine out and S to S shape pot doesn´t do nothing. I think everithing is correctly wired and all components have the correct value etc etc... Any ot
2010-08-11 by sasami@hotkey.net.au
I assume you mean the CGS29 wave Multiplier. It will run on +/- 12V with no problems. If yoi find the output levels are a little low, try changing resistors LPOL to 1k5, FOL to 3k9 and LHL to 270k. Ken >Hello everyone, > >First attempt at a CGS module. I want to build the Wave Mu
2010-08-11 by tacolee412
Hello everyone, First attempt at a CGS module. I want to build the Wave Multiplier to run in Eurorack. Does anyone have one running at +/-12v? If so are there any recommended changes I should make to any component values? Thanks, Luke
2010-08-10 by sasami@hotkey.net.au
Second diagram is up. _______________________________________________________________________ Ken Stone sasami@... otherunicorn@... Modular Synth PCBs for sale http://www.cgs.synth.net/ > Australian Miniature Horses & Ponies http://www.blaze.net.au/~sasami/ >
2010-08-10 by ALFREDO
Hi Mister Ken, many thanks for your pront answer and yes is too early to panic. The first chapter of the wiring diagram it´s done and we are ready and impatient waiting for next chapter of your wonderful VCO. Thanks a lot Sir. Best regards. Alfredo.
2010-08-10 by sasami@hotkey.net.au
Sine waves by their very nature will sound a lot quieter. They don't have as much harmonic content. The Saw to Sine doesn't have any initial voltage being sent to it from that partial diagram, so it is too early to panic. Ken >Hello, thanks for your answer. >I implemented the par
2010-08-10 by ALFREDO
Hello, thanks for your answer. I implemented the partial diagran in one of my boards and the sound of the sine is very low compared with square and saw waves out, there's no sound at the saw to sine out. Any idea what´s wrong? Thanks a lot.
2010-08-09 by sasami@hotkey.net.au
You may like to try http://www.muffwiggler.com/forum/viewforum.php?f=17 the DIY section of MuffWiggler too. A partial diagram is up on my site. >Please guys, for many weeks I´m loocking for the wiring diagram and there´s nothing in the net, I don´t know how to read the schematics
2010-08-08 by ALFREDO
Please guys, for many weeks I´m loocking for the wiring diagram and there´s nothing in the net, I don´t know how to read the schematics and theres nothing about in the cgs web. Mister Ken Stone told my : ``It is something I intend to do in the near future´´, but there´s nothing a
2010-07-29 by gff_ims
Hi All , i intend to purchase the above , but would like to know if it would work with a 42v ct transformer. Also if i increase the cap values to 10,000 uf what effect would that have on rectifier? Regards
2010-07-29 by Rico Loverde
Welcome Trevor, I am very new myself. About a year now building, also started with a synth.com entry system. I personally have found the MFOS stuff to be great, both learning and sound wise. Rays site is very well laid out and theres a lot of info on building them through out ele
2010-07-21 by George P. Macklin
Hello Trevor, Check out the DIY section of www.electro-music.com. There are a lot helpful people on that forum as well. There is also the Synth-DIY mailing list that you might find useful. Cheers, George P. Macklin www.granularmatter.com Eurorack Modules www.toppobrillo.com On Ju
2010-07-21 by Richard Brewster
Hi Trevor, You might like to sign up to Muff Wiggler's forum, where you can ask newbie type questions and get lots of help. http://www.muffwiggler.com/forum/index.php -Richard http://pugix.com On 7/20/10 3:32 PM, cybernout232 wrote: > i am new to analog modules. i have a few synt
2010-07-20 by cybernout232
i am new to analog modules. i have a few synthesizers.com modules that i won on ebay. i want to start building my own. i was hoping some one out there could help me on where i can get some module kits that would be compatible with the synth.com mods. i am also new to electronics.
2010-07-20 by mmarsh100
440 gone Oakley Ladder gone Oakley SVF gone Rack rails gone 950 gone --- In cgs_synth@yahoogroups.com , "mmarsh100" wrote: > > SynthTech > Model Description Price per Unit Num Units > MOTM-300 VCO $400.00 3 > MOTM-310 uVCO $290.00 2 > MOTM-800 EG $180.00 5 > MOTM-110 Ring Mod/VCA
2010-07-16 by mmarsh100
SynthTech Model Description Price per Unit Num Units MOTM-300 VCO $400.00 3 MOTM-310 uVCO $290.00 2 MOTM-800 EG $180.00 5 MOTM-110 Ring Mod/VCA $260.00 2 MOTM 190 uVCA $270.00 1 MOTM-820 Lag Processor $270.00 1 MOTM-940 Patch Panel $100.00 1 MOTM-910 Mult $90.00 1 MOTM-850 Pedal
2010-07-11 by sasami@hotkey.net.au
>I finished mine today! > > http://pugix.com/synth/cgs-dual-cmos-filters/ > >I have a few questions about the CV range. First, I followed Ken's >wiring diagram, which runs the FREQ pot between ground and +15V. During >my initial check of the module, it sounded thin and didn't go
2010-07-11 by Richard Brewster
I finished mine today! http://pugix.com/synth/cgs-dual-cmos-filters/ I have a few questions about the CV range. First, I followed Ken's wiring diagram, which runs the FREQ pot between ground and +15V. During my initial check of the module, it sounded thin and didn't go into low f
2010-07-08 by eblake_smith
So I double checked my wiring (I had wired the normalized connection) however I noticed a gap between the "switch" metal and the "tip" metal in the jack so the connection wasn't being made. I swapped the bad jack out for another and the digital noise is working as its supposed to
2010-07-07 by sasami@hotkey.net.au
>I'm getting good audio signals out of both the digital and filtered outputs. The digital outputs seem to effect the CV ins of other modules quite well also. Both LEDs are lit up when the unit is powered and they will flicker slightly in time with small changes in sound output. T
2010-07-07 by eblake_smith
Hello everyone, I recently completed my first few diy modules and have just started testing them. One of these is a CGS digital noise , and although its making a lot of interesting sounds, I'm not sure I've got all of the features working correctly. Opinions or advice would be ap
2010-07-04 by mmarsh100
Hi All - I'm selling my big MOTM format synth and some ancillary goodies. Prices are marked, but not fixed. Make me a on offer, please! PayPal accepted, shipping is $15.00 per module in the cont. US. Otherwise it's more. Mike SynthTech Model Description Price per Unit Num Units M
2010-05-30 by Daniel Williams
Sorry to be sending this to the list, but every time I email Lewis directly, I get a bounce for his ( sendthistolewis@... ) address. ----- Lewis, I've sent 30$ for one of the PCBs. I've sent my mailing address along with the PayPal transaction, but I'll repeat it here for good me
2010-05-27 by Daniel Williams
I'd like one. I just tried to email you, but the email bounced. Email me back and I'll buy one of the PCBs. ~Dan dwilliams@... On Wed, May 26, 2010 at 6:31 PM, sendthistolewis sendthistolewis@... > wrote: > > > These are out of stock on Ken's site. It would grand to recoup the co
2010-05-27 by sendthistolewis
These are out of stock on Ken's site. It would grand to recoup the cost ($30 each) but feel free to make an offer. Free postage anywhere! Lewis
2010-05-17 by Jason Proctor
happy to report that my tube VCA worked first time and adds nice tube grit to anything. and it's *loud*. thanks to Bill & Will for providing clarity re the mod options, not to mention recipe ideas ;-) now if i could just get the damn Steiner filter to work properly, sigh.
2010-05-11 by Pete
Well one thing I thought about is the fact that I have a different looking LM3900 than my working VCS. So I'm going to get another LM3900 to see if that could be the problem. On Tue, May 11, 2010 at 4:36 PM, Jason Proctor jason@... > wrote: > > > compare stuff with your other one
2010-05-11 by Jason Proctor
compare stuff with your other one? :-) >Anyone? > > > >On Mon, May 10, 2010 at 8:21 AM, Pete 23isgood@... > wrote: > >> Any ideas on how to fix it? >> >> >> >> >> On Mon, May 10, 2010 at 2:14 AM, sasami@... > wrote: >> >>> >>> >>> the 10n/1n only has any affect when it is set to
2010-05-11 by Pete
Anyone? On Mon, May 10, 2010 at 8:21 AM, Pete 23isgood@... > wrote: > Any ideas on how to fix it? > > > > > On Mon, May 10, 2010 at 2:14 AM, sasami@... > wrote: > >> >> >> the 10n/1n only has any affect when it is set to run fast. If you can't >> get >> it to oscillate at any set
2010-05-10 by Pete
Any ideas on how to fix it? On Mon, May 10, 2010 at 2:14 AM, sasami@... > wrote: > > > the 10n/1n only has any affect when it is set to run fast. If you can't get > it to oscillate at any setting, you have a different problem. > > Ken > > > >Hi folks. I just finished building my
2010-05-10 by sasami@hotkey.net.au
the 10n/1n only has any affect when it is set to run fast. If you can't get it to oscillate at any setting, you have a different problem. Ken >Hi folks. I just finished building my second VCS, and when I flip the >trigger switch on, the VCS does not oscillate. I have verified the
2010-05-10 by Pete
Thanks Andre. The acid sound in that tune is my MC-202 going through the CGS Tube VCA. cheers! pete On Sun, May 9, 2010 at 2:05 PM, Andre Majorel aym-htnys@... > wrote: > > > On 2010-05-09 16:32 -0400, Richard Brewster wrote: > > On 5/9/10 4:22 PM, Pete wrote: > > > > > I could n
2010-05-10 by Pete
Hi folks. I just finished building my second VCS, and when I flip the trigger switch on, the VCS does not oscillate. I have verified the switch is functional and that it is wired correctly. Is this the problem that you mention Ken where you need to replace that 10n cap with a 1n?
2010-05-09 by Andre Majorel
On 2010-05-09 16:32 -0400, Richard Brewster wrote: > On 5/9/10 4:22 PM, Pete wrote: > > > I could not find a lin 20k pot > > You can use a 25K pot just as well. Some manufacturers follow E3 (1-2.2-4.7), others 1-2-5, and yet others 1-2.5-5 apparently. It's immaterial, they're all
2010-05-09 by Richard Brewster
You can use a 25K pot just as well. Richard On 5/9/10 4:22 PM, Pete wrote: > I could not find a lin 20k pot at Mouser that has a knurled shaft for my > push on knobs. I can go with a non knurled shaft but that would require a > different knob, which would look weird with everythi
2010-05-09 by Pete
I could not find a lin 20k pot at Mouser that has a knurled shaft for my push on knobs. I can go with a non knurled shaft but that would require a different knob, which would look weird with everything else. It's frustrating looking for parts sometimes. I will look some where els
2010-05-09 by Richard Brewster
I used center detent pots on the Rise and Fall CV reversible attenuators on my VCS. But I haven't decided yet whether I'll keep them. They are the inexpensive Alpha pots, and the detent position is a little flaky. When it snaps in, it's never precisely in the same spot, just clos