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2007-05-18 by Jason Proctor
>Substituting an electrolyte for a non-electrolyte can generally be >considered safe, if you're really sure it's the right value. only if the electrolytic is nonpolar/bipolar. subbing a unipolar cap in a NP/BP application won't work. >But substituting it with your 0.47 _p_F ceram
2007-05-18 by Bruce Harris
Substituting an electrolyte for a non-electrolyte can generally be considered safe, if you're really sure it's the right value. But substituting it with your 0.47 _p_F ceramic probably won't work as expected. On 5/18/07, Andrew dumpstatic@... > wrote: > Oops, yeah that's the one
2007-05-18 by Andrew
Oops, yeah that's the one I mean. Don't have it in front of me here at work :) I have the right number of F's, but the wrong type. Is there any chance that the ceramic will work or do I need to go shopping? thanks for any thoughts! Andrew --- In cgs_synth@yahoogroups.com , Louis
2007-05-18 by Louis van Dompselaar
I'm not sure where you see a 47pF cap. There is a 0.47uF eletrolitic in there though (470nF). > The only 47pF cap I have is a ceramic (non-polarized). On the Digital > Noise PCB, the labeling clearly shows a polarized Electrolitic > capacitor in that spot. > > Will the ceramic on
2007-05-18 by Andrew
The only 47pF cap I have is a ceramic (non-polarized). On the Digital Noise PCB, the labeling clearly shows a polarized Electrolitic capacitor in that spot. Will the ceramic one work, or am I just asking for trouble by using it...? thanks :) Drew
2007-05-17 by sasami@hotkey.net.au
Hi Mike - the 100k is there to protect the op-amp input in the event you accidently plug two outputs together. Chances are you would survive without the 100k, but these days I like to make things as bullet proof as I can. Ken >Hi Ken - yeh tried the mod and voila all problems sol
2007-05-17 by Mike Burnham
Hi Ken - yeh tried the mod and voila all problems solved. You wrote Cut the track between Pin 5 of the TL072 in the bottom right corner. Jumper pin 5 to the Saw AC output terminal via a 100k I just used a jumper - is the 100k necessary between the saw AC output and pin 5 - it is
2007-05-16 by sasami@hotkey.net.au
> >I know that less voltage offset is a good thing. I was wondering if >that increase in performance was at the expense of other >specifications. Yes, the specification it was at the expense of is PRICE :) _______________________________________________________________________ Ke
2007-05-16 by Mark
Sorry for the double posting. Apparently, yahoogroups temporarily stopped sending me email. I know that less voltage offset is a good thing. I was wondering if that increase in performance was at the expense of other specifications. In retrospect, it was probably a stupid questio
2007-05-16 by sasami@hotkey.net.au
I've finally found time to look into the PWM issue with the REV0.4 PCB, and all I an say is shame on all of you for missing the error! The PWM input is connected to the DC (offset) output of the saw wave instead of the AV (zero centered) output. It has been this way since a label
2007-05-15 by John Mahoney
At 12:11 PM 5/14/2007, Mark wrote: >Does anyone know of a source for polystyrene caps?? > >Thanks :) http://www.surplussales.com/Capacitors/Poly-Unelco.html -- john -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.467 / Virus Database: 269.7.1
2007-05-15 by bill bigrig
Howdy, Try Fastenal or nylon fasteners, etc. Rig --- Mark yahoogroups@... > wrote: > > > Is there any disadvantage in using a TL072BCP > instead of a TL072ACP?? > (The BCP version costs about a nickel more, but has > half the voltage > offset.) > > Does anyone know a good source
2007-05-14 by Mark
Is there any disadvantage in using a TL072BCP instead of a TL072ACP?? (The BCP version costs about a nickel more, but has half the voltage offset.) Does anyone know a good source for nylon PCB mounting hardware?? I'm looking for 4-40 hex threaded standoffs and nylon screws to use
2007-05-14 by sasami@hotkey.net.au
>Is there any disadvantage in using a TL072BCP instead of a TL072ACP?? >(The BCP version costs about a nickel more, but has half the voltage >offset.) Disadvantage? no. A lower offset is a good thing. Ken _______________________________________________________________________ Ken
2007-05-14 by Mark
Is there any disadvantage in using a TL072BCP instead of a TL072ACP?? (The BCP version costs about a nickel more, but has half the voltage offset.) Does anyone know a good source for nylon PCB mounting hardware?? I'm looking for 4-40 hex threaded standoffs and nylon screws to use
2007-05-11 by celebutantemusic
Thanks for you help Ken! I'll figure it out... Mitchell --- In cgs_synth@yahoogroups.com , sasami@... wrote: > > Leds usually don't fry when backwards, so you fault is (and always has been) > elsewhere - probably a bad connection around the buffer transistor, or even > the wrong
2007-05-10 by sasami@hotkey.net.au
Leds usually don't fry when backwards, so you fault is (and always has been) elsewhere - probably a bad connection around the buffer transistor, or even the wrong sort of transistor used. Ken >Everything seems to work, but I managed to put one of the LED's in backwards. Now I can
2007-05-10 by celebutantemusic
Everything seems to work, but I managed to put one of the LED's in backwards. Now I can't get another one to work, so apparently this fried something else... what might I have done! Mitchell
2007-05-08 by contact@bridechamber.com
I'll have some on my site soon. It's done, but I just need to do the whole transfer to computer, then to the website thing. Keep in mind that the Cynare can also be used as a full-on Synthacon filter. What a deal! Ken -- the man. Cheers, Scott www.bridechamber.com ----- Original
2007-05-08 by Mike Burnham
Laurie - where is the diagram of the jacks and pots I cannot find it on your website cheers Mike ----- Original Message ----- From: Laurie Biddulph To: cgs_synth@yahoogroups.com Sent: Tuesday, May 08, 2007 8:02 PM Subject: Re: [cgs_synth] Re: CGS48 VCO Pots.. Hi, First of I shoul
2007-05-08 by Laurie Biddulph
Hi, First of I should point out that this is NOT an Elby Designs file. I have posted a number of FPD files that were found on other sites simply as examples of panel layouts because there are very few examples provided by Ken himself. I have, tonight, removed these from the websi
2007-05-08 by Laurie Biddulph
Hi, First of I should point out that this is NOT an Elby Designs file. I have posted a number of FPD files that were found on other sites simply as examples of panel layouts because there are very few examples provided by Ken himself. I have, tonight, removed these from the websi
2007-05-08 by evetsterueb
Can anyone help me find a sample of what the Cynare sounds like, other than the samcynare.mp3 file by Sam Ecoff. Am I hearing it on cgsdrums.mp3 (here in the files section)? Is there more to the cymbal sound or is it pretty much just hissy stuff (not that there's anything wrong w
2007-05-07 by Mike Burnham
Hi Mickey - let me know how you get on with the CGS48 VCO I am still struggling with mine. ----- Original Message ----- From: Mickey Finn To: cgs_synth@yahoogroups.com Sent: Tuesday, May 08, 2007 1:49 AM Subject: [cgs_synth] Re: CGS48 VCO Pots.. BUMP- Okay, Just finishing wiring
2007-05-07 by bbluthang
--- In cgs_synth@yahoogroups.com , "Mickey Finn" wrote: > > BUMP- > > Okay, Just finishing wiring up the front panel and pots- A few questions on > the wiring of the > pots- I based my front panel on the Elby CGS48 panel > > http://www.elby-designs.com/ken-stone/cgs48-fpd.pdf > >
2007-05-07 by Jason Proctor
yeah that's a better idea. OK i went with the Alphas from Futurlec. thanks for the responses, all. >IMHO the Alpha pots that Futurlec sell have a far better feel to them >than Piher pots. I've used Piher on all my early modules and although >none of them have failed, they just do
2007-05-07 by Mickey Finn
BUMP- Okay, Just finishing wiring up the front panel and pots- A few questions on the wiring of the pots- I based my front panel on the Elby CGS48 panel http://www.elby-designs.com/ken-stone/cgs48-fpd.pdf and here are my questions: -What are the "Processor Pots" 1 + 2? are they t
2007-05-07 by Louis van Dompselaar
IMHO the Alpha pots that Futurlec sell have a far better feel to them than Piher pots. I've used Piher on all my early modules and although none of them have failed, they just don't feel very nice. These Alpha pots have a far smoother action. Futurlec sells both lin and log 100k
2007-05-06 by Pete
I used the Piher dual pot in the CGS Bi n Tic filter. They are not that great. They work fine but I didnt like the way they felt. They had a clunky plastic feel to them, but if all you need is one of those dual pots it will work fine. -- http://www.myspace.com/23isgood [Non-text
2007-05-06 by Jason Proctor
thanks - those look like the only half decent option at the moment. is that really a 7mm mounting hole? >I have used the Piher dual 100K carbon potentiometers for my projects. >They have a smaller (7mm) mounting hole and have worked reasonably >well. They are not the quality of t
2007-05-05 by Andre Majorel
On 2007-05-05 00:22 -0000, djbrow54 wrote: > I have used the Piher dual 100K carbon potentiometers for my projects. > They have a smaller (7mm) mounting hole and have worked reasonably > well. They are not the quality of the Bourns but I haven't found any > other available dual c
2007-05-04 by djbrow54
I have used the Piher dual 100K carbon potentiometers for my projects. They have a smaller (7mm) mounting hole and have worked reasonably well. They are not the quality of the Bourns but I haven't found any other available dual controls that I like better. Mouser 531-PC16DC-100K
2007-05-03 by Jason Proctor
so i have some CGS bandpass filters on the way and i'm having some trouble sourcing the dual 100k linear pots. i'm a snob for components and so i'm preferring the bourns 91a2a-b28b20. unfortunately mouser don't stock them (and there's a 50 piece minimum order). americaii have the
2007-05-03 by Pete
I would love to see your video. Do you have a link for us? thanks pete On 5/3/07, Paul Schmidt paul_schmidt@... > wrote: > > > I have one I bought from Scott at Bridechamber. I > > have some videos of the CGS Master divider in action > > on youtube > > > > Paul > > > > > > -- htt
2007-05-03 by Andrew
Glad to see all the interest in the Master Divider. Whether a batch of the old design gets made, or a redesign happens someday, I will take at least two for sure :) Drew --- In cgs_synth@yahoogroups.com , Scott Deyo wrote: > > And with VC Switching, you can switch between filter
2007-05-03 by Larry Troth
For those that are searching for parts and/or information, here is a collection of internet resources. I have not had business dealings with all of these companies, so I can not tell you if their service is good, acceptable, or to stay away from them. When I'm looking for a part
2007-05-03 by Scott Deyo
My 394s are cans, if it matters :) Cheers, Scott Deyo The Bridechamber contact@... www.bridechamber.com On May 3, 2007, at 10:30 AM, Louis van Dompselaar wrote: > > > Futurlec is a source of LM394's and they are much cheaper then > > SSM2210's. > Yes, and for a reason. SSM2210's
2007-05-03 by Louis van Dompselaar
> Futurlec is a source of LM394's and they are much cheaper then > SSM2210's. Yes, and for a reason. SSM2210's are better. Also note that Futurlec sells the cheap DIP version (not the better matched metal cans) and they are NOS (the ones I got are almost 20 years old). The SSM221
2007-05-03 by Paul Schmidt
> I have one I bought from Scott at Bridechamber. I > have some videos of the CGS Master divider in action > on youtube > > Paul > > cgs_synth@yahoogroups.com > wrote: > > > > i'm in for one too > > may as well complete the unbuilt CGS collection here > :-) > > >At 03:09 PM 5/2/2
2007-05-03 by Larry T.
Futurlec is a source of LM394's and they are much cheaper then SSM2210's. Check them out at http://www.futurlec.com/cgi-bin/search/search.cgi Search for LM394. $1.80US quantity 1. There are a number of 'smaller' distributors that sell parts us CGS users are looking for that the '
2007-05-03 by Scott Deyo
And with VC Switching, you can switch between filter responses, delays, LFOs, add X to every other note, whatever. In a redesign with four phases.... add glide and get some crossfade action going! Scott Deyo The Bridechamber contact@... www.bridechamber.com On May 2, 2007, at 8:0
2007-05-03 by Scott Deyo
Thanks Louis! And I'd recommend the 2210 over the 394 for greater range. And it's cheaper :) Cheers, Scott Deyo The Bridechamber contact@... www.bridechamber.com On May 3, 2007, at 1:22 AM, Louis van Dompselaar wrote: > http://www.bridechamber.com/ sell the SSM2210. > > > So, I'm
2007-05-03 by Louis van Dompselaar
http://www.bridechamber.com/ sell the SSM2210. > So, I'm planning on building some CGS VCOs and I'm curious where everyone > buys their matched NPNs? Futurlec seems to have the lm394s for a couple US > dollars. Otherwise I could go through Analog Devices directly. Anyone have > a
2007-05-03 by Tim J
Hi List.... So, I'm planning on building some CGS VCOs and I'm curious where everyone buys their matched NPNs? Futurlec seems to have the lm394s for a couple US dollars. Otherwise I could go through Analog Devices directly. Anyone have an other sugestions? Thanks ________________
2007-05-03 by sasami@hotkey.net.au
>1.) I have the 47pF Caps only in ceramic. Is this ok ? perfectly fine. >2.) What Trimmers are recommended ? 1Turn or precision ones ? 1 turn are okay. If 25 turn are needed, the parts list will say so. Ken _______________________________________________________________________ K
2007-05-03 by lamontanara
Hello, 1.) I have the 47pF Caps only in ceramic. Is this ok ? 2.) What Trimmers are recommended ? 1Turn or precision ones ? Thanks in Advance H.C.
2007-05-03 by The Alison Project
I will pipe up here, the Master Divider was one of the last things I built from Ken (and yes I bought the pcb), I was a little intimidated by the module at first which is why I held off ordering it for some time, just confused about the whole module (those damn rotaries and diffe
2007-05-02 by sasami@hotkey.net.au
>Did the "aren't available anymore" come from Ken? "Aren't available at the moment pending a decision." is closer to the mark. I've only ever sold about 20, so that's a lot of money to tie up in stock that doesn't move, so I have yet to decide whether to kill it or give it anothe
2007-05-02 by Jason Proctor
i'm in for one too may as well complete the unbuilt CGS collection here :-) >At 03:09 PM 5/2/2007, x24holsey wrote: > >>I was thinking of a building a couple of these myself. If Ken needed >>an order for the >>minimum of 3 (as he has for blue special order boards) I'd grab two >>
2007-05-02 by John Mahoney
At 03:09 PM 5/2/2007, x24holsey wrote: >I was thinking of a building a couple of these myself. If Ken needed >an order for the >minimum of 3 (as he has for blue special order boards) I'd grab two >of them if you'll take >the third. Seems really handy to have the phase offset for