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2004-05-06 by Ryan Williams
earthtodylan2000 wrote: > With everyones help and good advise I've decided to build a > Synthicon VCF. > > Does anyone have a current Mouser part # list for the VCA? > Something I can send to them to order. > > Thanks, > David Scott Stone If you meant parts for the VCF then, ther
2004-05-06 by earthtodylan2000
With everyones help and good advise I've decided to build a Synthicon VCF. Does anyone have a current Mouser part # list for the VCA? Something I can send to them to order. Thanks, David Scott Stone
2004-05-05 by Fernando
Hi Ryan + all, I'm interested in using it at/over flanger-like frequency (less than a millisecond) This would allow to play with analog physical modelling if the freq of the delay is voltage controllable and we can achieve very short delays... Great that you are experimenting wit
2004-05-05 by Ryan Williams
Ryan Williams wrote: >>Great and exciting news, thank you! 16kHz it's very good I think. I think I spoke too soon. I had to listen quietly when I was testing last night. There is some distortion at this bandwidth. I think I'll have to adjust that some.
2004-05-05 by Ryan Williams
Fernando wrote: > Great and exciting news, thank you! 16kHz it's very good I think. > > What's the minimum delay time (approx.) that you can get at max clock freq? > > Fernando hi Fernando, I don't really have a good method of measuring exactly how short the delay can be. Current
2004-05-04 by lammspam
I think this means the filter's cutoff frequency can be controlled by injecting a CV into the filter via a pot. You'd wire say 5V DC to one lug of a 100K linear pot, the middle tap to the CV in of the filter, and the remaining lug to ground. Now, turn the knob and you will hear t
2004-05-04 by Fernando
Great and exciting news, thank you! 16kHz it's very good I think. What's the minimum delay time (approx.) that you can get at max clock freq? Fernando > just an update on the pt2395 delay I'm working on. I decided that I > didn't like the filters that the datasheet uses. I bought
2004-05-04 by Ryan Williams
hi all, just an update on the pt2395 delay I'm working on. I decided that I didn't like the filters that the datasheet uses. I bought a couple of LTC1063 - 5th order switched cap filters from linear technology (mostly out of curiosity). These are $6 each, but they seem do a prett
2004-05-03 by sasami@hotkey.net.au
Frequency already has a CV control >Wait...what control do you mean by "CV already has one"? > > > > > >--- In cgs_synth@yahoogroups.com , sasami@h... wrote: >> >Thanks for the info. >> > >> >Can you add CV in's to control the Frequency, Resonance, >and >> >Level? >> >> The other
2004-05-03 by earthtodylan2000
Wait...what control do you mean by "CV already has one"? --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > >Thanks for the info. > > > >Can you add CV in's to control the Frequency, Resonance, and > >Level? > > The others can't be CV controlled, short of adding CV > circuit
2004-05-02 by sasami@hotkey.net.au
>Thanks for the info. > >Can you add CV in's to control the Frequency, Resonance, and >Level? CV already has one. The others can't be CV controlled, short of adding CV circuitry (e.g. run the output through a VCA) Ken ______________________________________________________________
2004-05-02 by Dave Kendall
Hi. Charlie Lamm has an article about adding VC control of Resonance on his site at; http://www2.charlielamm.com/synth/ Follow the first link about the SSM2164 dual VCA, and you'll find some notes on how he used it to get control over the Steiner VCF. Hope it helps. Regards, Dave
2004-05-02 by Luís Marka
For CV the level, you better use a VCA. Resonance CV is a bit tricky, you could use a LDR excited by a LED, or an OTA. I never tried these. And frequency CV is already built in the filter (CV In is exactly this: the CV for frequency). ----- Original Message ----- From: "earthtody
2004-05-02 by earthtodylan2000
Thanks for the info. Can you add CV in's to control the Frequency, Resonance, and Level? --- In cgs_synth@yahoogroups.com , "bbluthang" wrote: > hi > the only parts that may be hard to source are the transistors, > depends upon where you live. > i think you can substitute many tr
2004-05-01 by bbluthang
hi the only parts that may be hard to source are the transistors, depends upon where you live. i think you can substitute many trannies here, i used c1815 and a1015. 4 ins - cv, lopass, bandpass, hipass. 1 out pots - freq, res and level (optional) the steiner vcf is my most used
2004-05-01 by Luís Marka
I took half the parts for a Steiner VCF from a broken PC power supply... Very, very easy to get parts. ----- Original Message ----- From: "earthtodylan2000" earthtodylan2000@... > To: cgs_synth@yahoogroups.com > Sent: Saturday, May 01, 2004 5:17 PM Subject: [cgs_synth] Stiner-Par
2004-05-01 by earthtodylan2000
Hi, I'm new to the Ken Stone projects. I've built a small collection of Blacet modules(BZ,TM, I/O,MW,DSCX2). Ken's modules seem really great. Can someone tell me If all the parts for the Stiner-Parker filter are easy to source? And what are the controls and in's and outs for the
2004-05-01 by Mike Marsh
Thanks, Ken. Duh! I told you it was a silly question! Mike --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > > leave off the 0v connection. look at the schematic and you will see only two > connections of that pot are used. > > Ken > > > >Hey All - > > > >How should I wire
2004-04-30 by sasami@hotkey.net.au
leave off the 0v connection. look at the schematic and you will see only two connections of that pot are used. Ken >Hey All - > >How should I wire the pot for Master Level on the DC Mixer? I have >it: > >* B CW >* A Middle >* 0V ACW > >but I think it's wrong... > >Thanks, > >Mike
2004-04-30 by Mike Marsh
Hey All - How should I wire the pot for Master Level on the DC Mixer? I have it: * B CW * A Middle * 0V ACW but I think it's wrong... Thanks, Mike
2004-04-28 by sasami@hotkey.net.au
The transformers are not too critical. A 3k impedence one actually measures at around 250 ohms DC resistance on a multimeter. My really early (24 years ago) ones actually used some really low impedence parts, and they still worked. The reason we don't want low-imedence is the div
2004-04-28 by bbluthang
there seems to be a few germanium diodes in akihabara i bought some marked '26' for Y30 each. is there a range of suitable transformers, i found some 2k ones? andrew --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > 10V signals are fine. I had no problems driving them with
2004-04-28 by sasami@hotkey.net.au
10V signals are fine. I had no problems driving them with any of the CGS stuff, Roland etc. Ken >BTW, no problem with 10V signals? >What will be it's (approx?) range? > >f >* > > > > > >See the following URLS for the CGS Modular Synth home page: >Main: http://www.cgs.synth.net/ >
2004-04-28 by Fernando
BTW, no problem with 10V signals? What will be it's (approx?) range? f *
2004-04-28 by Fernando
Thank you Ken for this new beauty!
2004-04-28 by Richard Brewster
Would you believe me if I told you all that one of the first electronic kits I built as a kid was an intercom, a simple audio amplifier. It used three germanium *transistors*. Neat kit from General Electric. Early 1960's. It is in a clear plastic housing about 3 x 8 x 10 inches,
2004-04-27 by sasami@hotkey.net.au
All details are already on the appropriate web page! 3k to 3k center tapped audio transformer x2. Germanium diodes (matched for same voltage drop) x 4. Any further details are irrelevant. Germaniums are so rare these days you use what you can find. Ken >Hi >I want to create the "
2004-04-27 by eske500
Hi I want to create the "real ring modulator"- ( http://www.cgs.synth.net/modules/ cgsrr.html) It looks easier to assemble than others found on the internet... But what are the values components? I'll be very pleased if anybody can help, either by giving the values or an alternat
2004-04-27 by dmichaelt2001
"Fernando" wrote: > Nice example of the ASR and good music! Thanks Fernando!
2004-04-27 by dmichaelt2001
Richard Brewster wrote: Hi Richard, > Thanks for the file, Michael. Enjoyed listening to it. I am planning > to build two ASRs in a couple of months. My main interest is in > "animated machine music". So I am looking forward to the ASRs. I'm > also getting several other CGS digit
2004-04-26 by sasami@hotkey.net.au
You certainly can. Ken >Hi all, > >Can I use the Stomp Box Adapter the other way round to connect guitar >stomp boxes to a modular system or line level signals? >And can it be modified to allow variable amplification / attenuation? > >Best regards, > Joseph. > > > > >See the foll
2004-04-26 by dr_eck_1
Hi all, Can I use the Stomp Box Adapter the other way round to connect guitar stomp boxes to a modular system or line level signals? And can it be modified to allow variable amplification / attenuation? Best regards, Joseph.
2004-04-26 by Fernando
Nice example of the ASR and good music!
2004-04-25 by Richard Brewster
Thanks for the file, Michael. Enjoyed listening to it. I am planning to build two ASRs in a couple of months. My main interest is in "animated machine music". So I am looking forward to the ASRs. I'm also getting several other CGS digital and analog modules. Say, you have quite a
2004-04-25 by dmichaelt2001
Good Afternoon All, Here's some animated machine music that may be of interest to fans of the ASR module. Go here to listen: http://www3.telus.net/public/michaelt/homepage.html and click on "Shift". The recording was done on 6 tracks. The first two tracks run the entire length of
2004-04-22 by Mike Marsh
Hi All - I posted this to the MOTM group but then thought you all would like to hear it, too. This was produced by an MOTM 300 oscillator's TRI OUT into a module that combines the Simple WF with an LFO via a CGS DC Mixer. These are wired together and housed behind a Schaeffer 1U
2004-04-22 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 : /Mod Folder Demo #1.mp3 Uploaded by : mmarsh100 mmarsh@... > Description : CGS DC Mixer and Simple WaveFOlder combined with an Oakley Little
2004-04-16 by bbluthang
--- In cgs_synth@yahoogroups.com , Jeffrey Pontius wrote: > > i'm just finalising my 1st vco and am a little unsure as to the > > corrections - > > > > > Check messages 619 and 620 (Jan, '04) in the cgs_synth Yahoo groups > message archive. > Jeff thanks Jeff this is the source o
2004-04-16 by Jeffrey Pontius
> i'm just finalising my 1st vco and am a little unsure as to the > corrections - > > Check messages 619 and 620 (Jan, '04) in the cgs_synth Yahoo groups message archive. Jeff
2004-04-16 by bbluthang
hi Ken and everybody i'm just finalising my 1st vco and am a little unsure as to the corrections - looking at the schematic, it seems i should replace the 330R at the SQ pad with 1K8. replace the 1K8 at the PWM pad with 1K. leave the 1K going to ground, but cut the track, and ins
2004-04-06 by sasami@hotkey.net.au
The best advice I can give re the filters is to try it. This is a development board after all. The schematic is taken from their app-note. If we can improve the response, then excellent. Share what you find out. I simply haven't had time to do anything more with my one of late. K
2004-04-06 by Ryan Williams
ok, I've played with it for a day now and the short mode does seem to work best. I think that it's the input and output filters that are doing filtering I described. I guess I was expecting the output to sound exactly the same as the input. but It seems that the cutoff on the inp
2004-04-04 by sasami@hotkey.net.au
>I'm using a vco from a 4046 PLL as the clock so I could get voltage >control but, it seems to change the pitch of anything that has already >went into the delay if I change the clock speed before it's echoed back >out. Is this to be expected? If so, then I don't see why voltage
2004-04-04 by Ryan
hi all, I built the pt2395 delay on a breadboard last night. After a few hours I got it to work, but it seems like I've got something wrong still. I'm using a vco from a 4046 PLL as the clock so I could get voltage control but, it seems to change the pitch of anything that has al
2004-04-03 by Mike Marsh
Thanks, Larry, and to all those that replied. I'm socketing the chip so I can try different things, and I'll report back. I'm mixing dc and audio so maybe the 1013 won't work... Mike --- In cgs_synth@yahoogroups.com , Larry Hendry wrote: > For just DC, you might also consider the
2004-04-03 by Larry Hendry
For just DC, you might also consider the MLX1013, used in the JLH-822 and many MOTM DC applications. Same pinout too. Great for DC. Not fast enough for high frequency audio. Larry >--- In cgs_synth@yahoogroups.com , sasami@h... wrote: > You can. Even better would be a TL072. I th
2004-04-03 by sasami@hotkey.net.au
better device specs. The TL07X are low noise devices. Sometimes TL07X are rebadged and sold as TL08X if the company doesn't have them to hand, but I've never seen it go the other way, nor would I expect to, As such, it implies that a TL08X is a TL07X that *may have* failed its lo
2004-04-02 by Richard Brewster
Here is what Tony Allgood said about this on the Oakley list -- Once upon a time the TL07X were lower noise versions of the TL08X types. The 08X types had lower offsets, so you would need to weigh up which spec was more important to you. Inevitably, the the 07X series ended up be
2004-04-02 by Mike Marsh
Thanks, Ken. Pardon my huge ignorance, but why is an 072 better? Obviously, I can get those, too... Thanks, Mike --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > You can. Even better would be a TL072. I think the later boards actually > have that specified. > > Ken > > > >
2004-04-02 by sasami@hotkey.net.au
You can. Even better would be a TL072. I think the later boards actually have that specified. Ken >Hi All - > >Can I substitute the TL082 for the spec'd LM358 in the DC Mixer. >They seem to have the same specs and pinouts... > >Thanks! > >Mike > > > >See the following URLS for th