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2006-01-14 by Pete
Well first a power supply then a MIDI to CV then a VCO. Or you could just buy a power one power supply and the MIDI to CV converter. One piece at a time over a long period of time. That's how I started. pete On 1/14/06, boycotthell2005 boycotthell2005@... > wrote: > > --- In cgs_
2006-01-14 by boycotthell2005
--- In cgs_synth@yahoogroups.com , "rdrake" wrote: > > scott, > > you're right, there are a lot of options available, and it's a good problem to have figuring out priorities. for most folks who get into modulars, it's a constant evolution... i've said "just one more rack's worth"
2006-01-14 by Pete
Hey everybody. I had to wire all the jacks and pots to hear something ASAP since im still waiting to get the panel from, Front Panel Express. So I recorded a 4 min sample of the Bi-N-Tic Filter. In the sample I used a Fat Controller step sequencer to trigger an MOTM VCO and the B
2006-01-13 by Matthias Herrmann
hi ken, i´ve done my homework yesterday and yes, there was a slack joint i missed two times... - silly me;( one touch with the hot iron and voila: it works - no, it rocks! a great circuit that "multiplies" the cababilities in large amounts:) thanks ken! matthias herrmann --- In c
2006-01-13 by rdrake
scott, you're right, there are a lot of options available, and it's a good problem to have figuring out priorities. for most folks who get into modulars, it's a constant evolution... i've said "just one more rack's worth" more than once. but, given your parameters (paia as a star
2006-01-13 by c10h14no2i
Thanks for your response. I don't necessarily need to stick to this small frac rack format, but if Im building the modules myself, I probably will. I don't want to limit myself to only frac rack size modules, though. I am still learning the electronics, but I have considerable co
2006-01-12 by bbluthang
--- In cgs_synth@yahoogroups.com , Louis van Dompselaar wrote: > > Hi all > > Just completed the Wavetable (DAC0800 turned out to be tricky to get, > but I got one in the end) and it is working great. One thing I noticed > though; I just wired the bank and wave advance switches b
2006-01-12 by Pete
I would get another envelope to modulate a filter. More VCO's. A self oscillating filter of some kind. A S/H maybe with a noise source. Check out the new MOTM frack rack stuff coming out soon. They will incorporate well with your PAIA. And that's just the beginning! pete On 1/12/
2006-01-12 by Richard Brewster
Hi Scott, Since you are posting here, you are probably considering CGS modules. These require a considerable DIY skill. You can get lots of help on this list. Look at Elby Designs for some CGS kits: http://www.elby-designs.com/ken-stone/ken-stone.htm For Frac rack style, check ou
2006-01-12 by Louis van Dompselaar
Hi all Just completed the Wavetable (DAC0800 turned out to be tricky to get, but I got one in the end) and it is working great. One thing I noticed though; I just wired the bank and wave advance switches between the input and +5V. This does work, but more often then not produces
2006-01-12 by c10h14no2i
Hello, I need some help selecting some modules. I know its a person thing, but I was wondering what other people think are some essentials. Right now Ive got the little PAiA 9700 modular. Its got 2 ok VCO's, 2 2 pole filters, 2 very basic lfo's, 1 envelope, 1 vca. Im definately g
2006-01-10 by ken johnston
I used two 12 VCT @ 60 ma. transformers from Small Bear Electronics, (but I think he gets them from Mouser). As for diodes, I found some old germanium OA47's on ebay. Followed Stone's schematic and it's a very, very nice sounding thing. Maybe it was luck, but this combination of
2006-01-10 by sasami@hotkey.net.au
Some of the earlier CGS designs have pretty hot output levels. Ken >my o-scope might not be calibrated correctly... i have been thinking it >reads voltages a bit high. It;s really old. Thanks for the post. >Josh > >On 1/10/06, Tom Adam tom.adam@... > wrote: >> >> Don't connect to
2006-01-10 by sasami@hotkey.net.au
>so just create a voltage divider. will i have trouble matching impedences >that way or should i add a voltage follower on the other side of the voltage >divider? I doubt you will have any problems. The output impedence would be 1k. Ken >On 1/10/06, sasami@... sasami@... > wrote:
2006-01-10 by josh summitt
so just create a voltage divider. will i have trouble matching impedences that way or should i add a voltage follower on the other side of the voltage divider? On 1/10/06, sasami@... sasami@... > wrote: > > Look at the stomp-box adapters. These are for synth to line-level > conve
2006-01-10 by sasami@hotkey.net.au
Look at the stomp-box adapters. These are for synth to line-level conversion. I'd go 20 to 1. i.e. feed the signal in to a 22k resistor which is in series with a 1k resistor, the other end of wchi is grounded. Take your line-level from the junction of the two resistors. Ken >Hey,
2006-01-10 by josh summitt
my o-scope might not be calibrated correctly... i have been thinking it reads voltages a bit high. It;s really old. Thanks for the post. Josh On 1/10/06, Tom Adam tom.adam@... > wrote: > > Don't connect to any sort of line-in level device thingie.... > I build a very small attenu
2006-01-10 by Tom Adam
Don't connect to any sort of line-in level device thingie.... I build a very small attenuator (2 jacks, one pot) to go back to line levels. I'm not sure if 15Vpk-pk is normal. check resistor values... I've got a MOTM VCO that gives 10Vpk-pk.... Cheers, ToAd josh wrote: > Hey, wha
2006-01-10 by poketo77
Hi anyone Recently I found Ken's page about his Modular synth. It's a great page! So now I've a question about the real Ringmodulator: Somehow I couldn't find some rigt transformers. What type of transformers are used in the Ringmodulator? It would be nice if you could tell me th
2006-01-10 by josh
Hey, what is the max audio voltages for mixers, amplifiers and home stereos. I have the Ken Stone VCO of which i just built and the square wave output generates a voltage that is about 12-15 Vpk-pk. I'm scared to run this into any of my other audio gear with out an attenuator or
2006-01-09 by Edward r Jones
Thanks for that info Ken, gave the the right place to look for more data Only one CGS listed, but, some good ballpark figures to work from here. http://modularsynthesis.com/modules/power.xls http://www.doepfer.de/pub/A100_Sys.xls -edward sasami@... wrote: some figures are given o
2006-01-09 by sasami@hotkey.net.au
some figures are given on the metalbox site. Usually module demands are under 100ma. In fact, they are frequently below 50ma. Ken >I'm building a 1.5 amp or so power supply for my modules, I haven't >been able to find a list of approximate currents per module, >has anyone got any
2006-01-09 by Loscha
I'm building a 1.5 amp or so power supply for my modules, I haven't been able to find a list of approximate currents per module, has anyone got any facts and figures in this area? thanks in advance! -Loscha / Ed
2006-01-06 by Yves Usson
hi Mike Well, I know this schemo but don't expect to obtain a wll behaved ringmod with it. It will be very very good at distorting (but that's may be what you are actually looking for ?) because of the use of FETs in this mode and second you will have to work hard at matching the
2006-01-06 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 : /PCB wiring drawings/maestro_ring_mod_sc.gif Uploaded by : sheldonstv sheldonstv@... > Description : You can access this file at the URL: htt
2006-01-06 by MICHAEL LEATHERLAND
Yves Usson yves.usson@... > wrote: Hi Mike No I don't, but anyway the MC1496 is a very common IC and is not difficult to source. Should you use transistors to achieve the same you would have to very thoroughly match the four transistors involved in the dual differential pairs to
2006-01-06 by Pete
Hey Dave. I have been reading your site and used your parts list to order the parts. I got everything ordered except the panel which I will be ordering soon from Front Panel Express**. When its built I will put up some samples. Thanks allot for putting up the parts list. I know i
2006-01-06 by djbrow54
I am also waiting for a front panel. I've partially completed mine and have a parts list on my page for the parts I used. Dave http://modularsynthesis.com/modules/cgs/cgs.htm --- In cgs_synth@yahoogroups.com , Pete wrote: > > Yikes! $6.10 each! Well now I know where to get one. T
2006-01-04 by Pete
Yikes! $6.10 each! Well now I know where to get one. Thanks. Also thanks for the link Richard. Lots of good info there. pete On 1/4/06, Richard Brewster pugix@... > wrote: > > My Bi-N-Tic board has yet to be built. I have all the parts, but it's > waiting for a Stooge panel. I go
2006-01-04 by Richard Brewster
My Bi-N-Tic board has yet to be built. I have all the parts, but it's waiting for a Stooge panel. I got the LM394 (actually I think a MAT-02 came) from Elby Designs. There is a special item called the Bi-N-Tic special parts: http://www.elby-designs.com/ken-stone/ken-stone.htm -Ri
2006-01-04 by jeff brown
Nope. I did those real quick after I got my first one working (which was shortly after Ken came out with them). ----- Original Message ----- From: "Pete" 23isgood@... > To: cgs_synth@yahoogroups.com > Sent: Wednesday, January 04, 2006 1:58 AM Subject: Re: [cgs_synth] Bi-n-Tic sou
2006-01-04 by jeff brown
I used the LM394. DigiKey still has them (DigiKey Part Number LM394CH-ND). They are selling for $6.10 each now - ouch! Jeff ----- Original Message ----- From: "Pete" 23isgood@... > To: cgs_synth@yahoogroups.com > Sent: Wednesday, January 04, 2006 5:03 PM Subject: Re: [cgs_synth]
2006-01-04 by Pete
Hey Jeff. Did you use the LM394 in this circuit or did you find a replacement? I cant find the LM394 anywhere. I mentioned to Ken that I have an SSM2210, and I understand that it can be used instead. Where you able to find the LM394? pete On 1/4/06, Mike Marsh michaelmarsh@... >
2006-01-04 by Mike Marsh
Thanks, Jeff, I missed those in my search. The filtered noise sample is very cool! Some dark, dark things lurk in the machine... --- In cgs_synth@yahoogroups.com , "jeff brown" wrote: > > I put 2 quick and dirty samples in the "sound files" folder in the "Files" > section a while
2006-01-04 by synth_ollie
ken is out of them, so if aynone here has some to sell, email me offlist.... cheers OLLIE
2006-01-04 by Pete
Very nice! I really like the second sample. Kinda grungy. Any more samples? thanks pete On 1/3/06, jeff brown guitaricon@... > wrote: > > I put 2 quick and dirty samples in the "sound files" folder in the > "Files" > section a while back. > > Jeff > > ----- Original Message -----
2006-01-04 by Pete
Great question! I really would like to build one of these, and I would love to hear what it sounds like. pete On 1/3/06, Mike Marsh michaelmarsh@... > wrote: > > Does anybody have some of these? A URL I can access? > > Thanks, > > Mike > > > > > > The CGS Modular Synth home page:
2006-01-04 by jeff brown
I put 2 quick and dirty samples in the "sound files" folder in the "Files" section a while back. Jeff ----- Original Message ----- From: "Mike Marsh" michaelmarsh@... > To: cgs_synth@yahoogroups.com > Sent: Tuesday, January 03, 2006 11:03 PM Subject: [cgs_synth] Bi-n-Tic sound sa
2006-01-04 by Mike Marsh
Does anybody have some of these? A URL I can access? Thanks, Mike
2006-01-03 by Yves Usson
Hi Mike No I don't, but anyway the MC1496 is a very common IC and is not difficult to source. Should you use transistors to achieve the same you would have to very thoroughly match the four transistors involved in the dual differential pairs to limit distorsion and bleedthrough,
2006-01-03 by sheldonstv
--- In cgs_synth@yahoogroups.com , yves usson wrote: > > Check my site : > > http://yusynth.net/Modular/EN/RINGMOD/ > > > Does anyone have any schematics for ring modulators-either discretes or > > ic based? > > regards mike > > > > > -- > Yves Usson > > http://yusynth.net > hi y
2006-01-03 by fonik2000
hi ken, thank yo very much for your fast and kind reply. i just wanted to be sure. now i will have to do some homework...;) matthias --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > > The board is correct. The board has been tested and works without any problems. > > You w
2006-01-03 by sasami@hotkey.net.au
>What is the purpose of the processor inputs on this vco? They are modulation inputs. They can be adjusted for negative or positive operation. Ken > >--- In cgs_synth@yahoogroups.com , sasami@h... wrote: >> >> The wave should remain at a constant height for all incoming >voltages
2006-01-03 by josh
What is the purpose of the processor inputs on this vco? --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > > The wave should remain at a constant height for all incoming voltages. This > suggests that there is something wrong with the current source (the dual > transistor a
2006-01-03 by Edward r Jones
Hi Yves (and everyone else), I loved your site! I was reading all your stuff about the Steiner filter last night, but, didn't know you were on the on this list. I got up this morning and started looking agian. With regards to the Ring Modulator question, if you want to make a pas
2006-01-02 by sasami@hotkey.net.au
The board is correct. The board has been tested and works without any problems. You will have either a bad solder joint, or a mis-read component, I suspect, or you are running the internal VCA too quietly. The FOLDS CV input or knob need to be increased. Ken >Hi all, > >I am new
2006-01-02 by yves usson
Check my site : http://yusynth.net/Modular/EN/RINGMOD/ > Does anyone have any schematics for ring modulators-either discretes or > ic based? > regards mike > > -- Yves Usson http://yusynth.net
2006-01-02 by sheldonstv
Does anyone have any schematics for ring modulators-either discretes or ic based? regards mike
2006-01-02 by fonik2000
Hi all, I am new to this forum and I am relatively new to SDIY, too. I started building a modular synth about one year ago, knowing nothing at all. The first module I ever built was the Psycho LFO a great, easy to build and very effective circuit. Now I run into some problems w
2006-01-01 by sasami@hotkey.net.au
> >I have two questions: >Is the steady output supposed to go high briefly at the point the CV >changes directions? Adjusting the pot extends this blip to be longer >or shorter but doesn't eliminate it entirely. The blip is there because there is a tiny voltage gap between rising