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2005-01-30 by Mike Marsh
Here's the quick answer: I don't know! :) I don't design these things because I don't have those chops. I work one level up, so to speak. On the other hand, I don't see why not. You just need a way to mix signals... Check out the Wiard Yahoo group. There is a small discussion on
2005-01-28 by Phil
Hi Mike, Thanks for the info I am learning slow but sure. One other question can this also be accomplished using OTAs? Phil
2005-01-25 by Mike Marsh
Ahh, gotcha. So you would take the outputs of the 4 pole jacks and control them with a Jag and a Joystick, right? Charlie is right: you'll need (as I count them) 4 VCAs, one for each pole. The output of the Jag would control the amount of CV into each VCA and thus the volume of e
2005-01-25 by d2leo57
Hi Mike, I am really new to this. What I think I am trying to say is there a way I can control all the poles with say a JAG and a joystick?.If not is there some way to modify this circuit to do this? If I understand it correctly Charlie Lamm has a mod that he adds 2 linear VCAs t
2005-01-25 by Mike Marsh
Hi Phil - If you mean Wiard's 1200 series Boogie, then I don't belive you can "control" the poles via VC: the jacks are for output. You can access each pole individually this way... Mike --- In cgs_synth@yahoogroups.com , "d2leo57" wrote: > > Hi > > I am new to the list and new t
2005-01-24 by d2leo57
Hi I am new to the list and new to diy stc.. I am wondering how I can get VC control to the poles in the Steiner filter similar to Wiard's boogie filter. Phil
2005-01-19 by herrmann_matthias
I'd like to add volume control to each of the oscillators of the psycho lfo. Would a replacement of the 560k resistor by a 1M pot plus a 100k resistor in line for each osc do?
2005-01-10 by Cynthia
The 2005 "Bug Off" Aleatoric Music Contests are back! Howdy Folks! It's time once again to harvest the mystically marvelous power of those Synths you've got and put them to use making strange and haunting tunes that are wacky, alien, and totally obtuse! Ya'll are making that ther
2005-01-10 by Cynthia
The 2005 "Bug Off" Aleatoric Music Contests are back! Howdy Folks! It's time once again to harvest the mystically marvelous power of those Synths you've got and put them to use making strange and haunting tunes that are wacky, alien, and totally obtuse! Ya'll are making that ther
2005-01-10 by sasami@hotkey.net.au
> >I put the 1.5K between the led and trans. and a little over 6 volts >(kept the 2.2K to ground). works great. > >Can I use a similiar technique to adjust the out levels of the gated >comparator and pulse divider? On the MASTER divider and Gated comparator, yes. On the Pulse div
2005-01-10 by peng3002
Thanks !!!! I put the 1.5K between the led and trans. and a little over 6 volts (kept the 2.2K to ground). works great. Can I use a similiar technique to adjust the out levels of the gated comparator and pulse divider? thanks, Peng --- In cgs_synth@yahoogroups.com , sasami@h... w
2005-01-09 by sasami@hotkey.net.au
The resistor connected to Pin 12 of the 4046 sets the minimum frequency. Increase its value, or even remove it. Leave pin 12 open if you do remove it. Increasing the 10n capacitor will also reduce the speed, but it will be an overall reduction of speed - the top end will suffer.
2005-01-09 by sasami@hotkey.net.au
Replace the 2k2 with 680 ohms. Insert a 1k5 between the LED and the transistor. Tweak values if need be. Ken > I breadboarded the digital noise module. It works good and has >fascinated me for the last few days. Just a couple questions: > >The 2 digital outs are a little too hot
2005-01-09 by peng3002
Hello again, I've been patching an LFO just under the audible range into the external clock input. Works great and modulating resonating filters is real nice. I would like to get the internal VCO to be able to go REAL slow. Right now I get pretty white noise with the speed turned
2005-01-09 by peng3002
I breadboarded the digital noise module. It works good and has fascinated me for the last few days. Just a couple questions: The 2 digital outs are a little too hot for me (11-12V).I'd like to chop them down to 5V...or maybe 10V...or 7.5V. I figured out one way to get the outs do
2005-01-03 by hitchindave
Well, that's a pretty comprehensive yes! The master divider will now hopefully soon be up and running, and if I can suss it out, with a Blacet midi-sync IC front end to lock it up to the world of MIDI. Thanks to you all for the replies. All the best for the new year, Dave
2005-01-02 by sasami@hotkey.net.au
>Has anyone successfully tried substituting 2N3904s for >BC547s? No problems at all. Tbe BC547 is a very generic transistor. As I use them, there are many transistors that will work in their place. Ken _______________________________________________________________________ Ken St
2005-01-02 by Richard Brewster
Sure, you can use 2N3904 for the buffers in the master divider. Be aware that the Emitter and Collector pinouts are *reversed* from the BC547! I generally use BC549B for my general purpose NPN transistors. But I also used up my stock of 2N3904. I found that the main difference is
2005-01-02 by hitchindave
Hi All. Has anyone successfully tried substituting 2N3904s for BC547s? Apart from the pinout being reversed, the specs look very similar, and I have lots of them. They would be going in a CGS22 master divider, and I guess they're being used there as switches, so the difference in
2004-12-30 by Larry Hendry
Barry, I do not advertise them since I do not stock them. Unpainted: 1U=$3, 2U=$4, 3u=$5 With MOTM paint 1U=$10, 2U=$16, 3U=$20 I do have a limited stock at the moment of 1U and 3U painted. Larry __________________________________ Do you Yahoo!? Send a seasonal email greeting and
2004-12-30 by coyoteous
Larry, What is the pricing for "blank aluminum [MOTM panels] and also with the identical paint finish as MOTM modules, in 1U, 2U and 3U width." I couldn't seem to find it on your website. Thanks, Barry --- In cgs_synth@yahoogroups.com , Larry Hendry wrote: > --- darkboneus wrote:
2004-12-29 by darkboneus
Thanks lbd. I can tell you what I've got in it right now. The bottom Rack has : 1 CGS CV Cluster (Cool module!), 1 EFM dual VCO 3d, and 3 EFM VCO 4Es, modelled after the Mood Prodigy. I had to tweak them to get satisfactory waveforms for the sine and square, but it tracks well an
2004-12-29 by data2action
Rob, Nice looking synth. care to share a list of what modules are in it? lbd --- In cgs_synth@yahoogroups.com , "darkboneus" wrote: > > Hi Guys. I just completed the modules for my next cabinet of the > modular. I decided to build a cabinet to house 7 frac racks as well > as my f
2004-12-28 by darkboneus
Hi Guys. I just completed the modules for my next cabinet of the modular. I decided to build a cabinet to house 7 frac racks as well as my fatman. I don't have the cabinet finished yet, but I uploaded a couple pics of the new synth. I'm excited to be this close to being "finished
2004-12-25 by Larry Hendry
--- darkboneus darkbone@... > wrote: > Has anyone actually tried replicating Moog style panels? I'm buying them from Roger. I cannot make them much cheaper. > By the way, where are you guys getting blank MOTM size panels? Many people buy them from me. I offer them blank aluminum
2004-12-25 by darkboneus
Thanks for the info. That makes sense. Has anyone actually tried replicating Moog style panels? What type of machine would you use to form the panels? Would it be a press of some sort? Sorry if these are dumb questions, but I'm not adept when it comes to metal work beyond the sco
2004-12-24 by Jeff Brown
You can also look in the "jeff brown" folder in the Photos section, or go to the bottom of the page at http://www.guitarfool.com/modular.html > and click on the module pictures. There's some pictures of unmounted panels from various angles. It's the corner notching on the panels
2004-12-24 by Larry Hendry
Rob, They are part of the panel. The panels curve to the back at the edges to give the panel strength since they are not thick like the MOTM panels. The paint (or anodizing I think in the case of Moog panels) does not extend to cover the entire panels. You see the aluminum of the
2004-12-24 by John Loffink
The silver part is just an unpainted section of the panel. The panels have side edges that are bent at a 90 degree angle and help to stiffen the panel. Go to the Moog Archives site and click on modules to see some examples. http://www.moogarchives.com/ John Loffink The Microtonal
2004-12-24 by sasami@hotkey.net.au
I believe them to part of the panel itself. A moog panel is a very shallow "U" shape, of aluminium, with a black face printed down the center. Ken >Hello. I have been looking at the design of the old Moog modulars >as well as the Synthesizers.com systems and I like the way that t
2004-12-24 by darkboneus
Hello. I have been looking at the design of the old Moog modulars as well as the Synthesizers.com systems and I like the way that the systems look when mounted in the huge cabinets. I am wondering though, what are the silver "dividers" that separate the modules from eachother ver
2004-12-21 by Fernando
Hey Jeff, how are you doing? I love your panel approach. Very inspiring and encouraging, thanks! Sad that the picture becomes so little in that section... Best wishes for you + yours and peace to the planet Fernando --- In cgs_synth@yahoogroups.com , "Jeff Foster" wrote: > > I am
2004-12-17 by Jeff Foster
I am sharing a photo of my CGS modules in their wooden rack. Ken's stuff is tops! This system mostly is used to processes sounds from tape or work with my serger panel. across the top are mixer 3 band pass filters with a summed output 2 psyco LFOs with a random gate output from a
2004-12-16 by darkboneus
Hi guys. I saw a post that somebody (Larry?) had written asking for some pics of people's synths. I just uploaded a few of mine. They are in the 'photos' section of the newsgroup. There are photos of 2 cabinets at the moment. I am currently working on a larger cabinet that will h
2004-12-16 by Jeff Foster
hi all, I finaly got the time, energy and parts to complete my steiner vcf. all is working it seems, but the Q. I get very little effect from the Q pot. I heard scracthing ( DC on the line, 3 Volts), but no change in Q. Any thoughts were to look for problem? Could the 2907 pnp tr
2004-12-09 by Tentochi
Analogue Heaven Mid-West (AHMW) Gathering 2005 has just been announced! ***** Saturday, March 26, 2005 ***** The AHMW Gathering has quickly become the premier event of its nature in North America. New this year is the addition of the Synth-DIY (SDIY) meeting as well. If you haven
2004-12-08 by sasami@hotkey.net.au
Any DC present in the circuit at that point would be inherent in the design. It's just not caused problems before. There isn't a "leak" as such to be tracked down. For the purposes of test, lift the wire from the pot itself, and add the capacitor there. Don't modify the PCB. Ken
2004-12-08 by hiriseau
thanks. when i get a chance i will look in to this. is it possible that the dc leak is coming from the power supply? im using the cgs14 built to spec with positive measuring 14.8-14.95 and negative sitting happily on 15v. i am thinking one of my filter caps or possibly the positi
2004-12-07 by Fernando
Hi Larry and all, I think having a fixed complicated envelope freezes expression, since once you get that form repeated (= triggered again) it losts it's interest. One way to obtain complex and expressive control "forms" is to capture gestures with sensors (photocells, pressure s
2004-12-06 by Jeff Foster
thanks Ken will giv it a try. now I have to order a truck load of pots ... btw, the LFo looks realy cool JEff --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > > > > > >hi all, > >I want to add a volume control to each of the osc on the super psy > >lfo. > >What is the best
2004-12-06 by sasami@hotkey.net.au
The +6V is only there as part of a bus system I was using in some of my panels that did require +6V - old Serge stuff mostly. 6 volts is not used in any CGS board. One known cause of scratchiness showing with pots is if there is a DC signal involved. I don't know if the following
2004-12-06 by hiriseau
ok so i went out and bought a new pot just to drop in in case the pot i had was bad. seemed it was. i dropped it in and still its scratchy. is it possible that i am wiring the legs of the pot up wrong? whilst trawling the message archives i noted that ken advises that the third l
2004-12-04 by . pH
what about one where 1 or 2 stages of the envelope has a mod source in for as its' output? (Like the Doepfer A-155 Sequencers bottom row) Then you could have one stage of the env be noise, another envelope, LFO, a seq, audio... etc... anything of course. best, phil On 12/2/04 11:
2004-12-04 by hitchindave
Hi I reckon there's room for an EG with a just a little bit more flexibility than a simple ADSR, as well as a monster many-parameter device. 2 or more attack, decay and release levels have been common in digital synths for many years - it' be great to have that little bit of extr
2004-12-03 by Scott Stites
It's definitely one of my faves, too! As a bonus, it's even great for putting weird bends on CV's. Cheers, Scott -----Original Message----- From: Michael nil@... > Sent: Dec 3, 2004 1:49 PM To: cgs_synth@yahoogroups.com Subject: [cgs_synth] Re: Wave Multipliers Ok, so I tweaked t
2004-12-03 by Michael
Ok, so I tweaked the circuit, I changed the 100k resistors on both the PWM CV and the FOLD CV inputs to 33k and they now sweep the full range - I added an 8.2k resistor in series off the wiper on the manual PW pot because there was too much sweep on either side where the pulse wa
2004-12-03 by Dustin Sedlacek
typicaly i just read posts i do not respongd often so sorry about my formating - this UEG that you are building sounds great i have been wondering why the DIYers do not have anything like this , i have wanted a seq of sorts for a long long time good luick , Dustin Message: 8 Date
2004-12-03 by Ryan Williams
it's a bit like the encore UEG. and Jim patchell made a multistage envelope and I saw one other posted somewhere before. i thoguht I remembered one of Ken's circuits looked like it could be made to do this with some modification? read on. Larry T. wrote: > Good Day Everyone > > H
2004-12-03 by Larry T.
Good Day Everyone Ken, any interest in designing a multi-stage Envelope Generator for our marvelous Analog Modular Synthesizers? If you are familiar with the old Casio CZ synth line then you know what I am referring to. I believe that the DX-7 also has this ability. I'm sure many
2004-12-03 by hiriseau
even when grounding the pot like that it had no effect. ive picked up a replacement and will try it out. what ive done is run the ground wire to some stripboard (thats old and oxidised, hence i think its the source of the humm, not taking solder joints well)then all ground connec