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2004-07-19 by Richard Brewster
I'll be building a Wave Multiplier soon. I was wondering about the values in the Grinder circuit and whether anyone had experimented with different parts values. Why is a 5n6 cap chosen for the lag circuit, rather than a 4n7 or 10n? -Richard Brewster
2004-07-15 by Ryan Williams
hi all, my module using the pt2395 is done. If you wanted to build it like this then about half or more of it will fit on Ken's development board (the only modifications needed are putting a few resistors and caps in the wrong holes on the PCB). look for more information, sound,
2004-07-12 by Fernando
Completely agree. And he is always accesible, ready to listen and help. Fernando > IMHO, Ken is the bearer of the torch dropped by Serge and Buchla. And then some. > > Cheers, > Scott > P.S. Sorry, my extremely long p.s. should at least say that the MS technique was developed by
2004-07-12 by Scott Stites
IMHO, Ken is the bearer of the torch dropped by Serge and Buchla. And then some. Cheers, Scott -----Original Message----- From: Fernando fdi@... > Sent: Jul 12, 2004 3:51 PM To: cgs_synth@yahoogroups.com Subject: [cgs_synth] CV cluster as MS decoder Hi Ken and all, Reading again
2004-07-12 by Fernando
Hi Ken and all, Reading again the CV-cluster page I realized that it can be used as an MS decoding matrix when feeded with audio signals. Decoding an MS (read Mid Side stereo) signal will result in the Left and Right channels if the origin was a pair of mics setup for that kind o
2004-07-12 by Jeff Brown
Hi everybody, I uploaded pictures of my Gate Sequencer with CV and Sequential Switch. They're in the "Jeff Brown" folder. - Jeff
2004-07-09 by Richard Brewster
I will get around to posting some photos. What I really need to do is work on my website. I have one, but it just takes some effort to build the content. -Richard Brewster Larry T. wrote: >Richard > >How about posting some pictures (front and back)? > >Laeey > >--- In cgs_synth@y
2004-07-09 by charlesosthelder
Why not? Anyone here built a diode ladder like the VCS3? I like the Steiner so much that steeper diode based filter seems like a great idea! Chub
2004-07-06 by charlesosthelder
Thanks guys. All good suggestions, but the REAL problem is following directions! I omitted the extra series resistance that John recommends in his MOTM build-up. Once I changed the 220K on the wiper of the freq pot to a 470K, all was well. It may help others to note that I matche
2004-07-06 by Larry T.
Richard How about posting some pictures (front and back)? Laeey --- In cgs_synth@yahoogroups.com , Richard Brewster wrote: > This weekend I completed the first of two "all-jack" CGS combination > panels. Each Front Panel Express panel is in 2U MOTM format and > contains 32 jacks.
2004-07-05 by John Loffink
Note the comment "positive going EGs don't work" but "positive half of LFO waveform works fine." Are you sure your EG is functioning correctly? John Loffink The Microtonal Synthesis Web Site http://www.microtonal-synthesis.com The Wavemakers Synthesizer Web Site http://www.wavema
2004-07-05 by sasami@hotkey.net.au
Try reducing the resistor in series with the CV control to give you more range. ALso consider taking the CCW end of the pot to -VE instead of 0V just to see what happens. That postitive envelopes don't work is a puzzle though.Must be some sort of offset involved. Ken >Hey all! >
2004-07-05 by charlesosthelder
Once again, reading is FUNdamental. Sorry for wasting the bandwidth. Ken, John et al., the filter is SWEET! Chub --- In cgs_synth@yahoogroups.com , "charlesosthelder" wrote: > Hey all! > > My Steiner-Stone VCF is together and includes the John Lofflink mods > for MOTM. I'm not us
2004-07-05 by charlesosthelder
Hey all! My Steiner-Stone VCF is together and includes the John Lofflink mods for MOTM. I'm not using a direct CV input, and maybe this is what's causing my dillema - the positive-going EG's don't work with the filter. The positive half of an LFO waveform works fine. The inverted
2004-07-05 by Richard Brewster
This weekend I completed the first of two "all-jack" CGS combination panels. Each Front Panel Express panel is in 2U MOTM format and contains 32 jacks. The first contains two CGS34 Analog Shift Registers, plus the CGS26 Analog Logic board. Those take up 20 jacks. The other 12 jac
2004-07-01 by Ryan Williams
the to-3 seems to be some different shaped heatsink that i've not seen before. I'd think you should probably get a TO-220 heatsink as this will fit on your regulators easily. search for that and put in the C/W that you want. there's a bunch of them. i dont see bc557 listen online
2004-07-01 by gininaandsage
hey ryan and sasami thanks for the help im going to order the precise regulators..and take ryans advice:) Ryan, in the digi catalog is to-3 the same as top-3 type heat sink? thanks why is the bc557's listed twice? --- In cgs_synth@yahoogroups.com , Ryan Williams wrote: > gininaan
2004-06-30 by Richard Brewster
Go to Yahoo groups. Sign up to ModularSynthPanels group. It hasn't seen a lot of activity lately, but there are a lot of panel designs there. Many are in Front Panel Express Designer format (FPD). You can get the FPE software for free here: http://www.frontpanelexpress.com/downlo
2004-06-30 by Don't t(h)read on my tentacles, Earthlin
I just found this doc for easy reference. I thought it'd be of use for some. It includes drills, screw heads… as just simple inches and millimeters http://www.sdp-si.com/D790/PDF/D790Ref.pdf Denis =G) Size Queen meeeeee?
2004-06-30 by Ryan Williams
gininaandsage wrote: > is the 7815 and 7915 regulator for the powersupply also listed as: > > part no. tps78915dbvr and tps79015dbvr in digikey? > thanks > also no, those seem to be 100mA. lower voltage regulators. I'd probably get these. this one: MC7815CT, digikey# MC7815CTFS-N
2004-06-30 by sasami@hotkey.net.au
>is the 7815 and 7915 regulator for the powersupply also listed as: > >part no. tps78915dbvr and tps79015dbvr in digikey? no idea. someone else will need to answer that - I don't have a digikey catalog. >22n .022uf? >220n .22uf? Correct. __________________________________________
2004-06-30 by gininaandsage
is the 7815 and 7915 regulator for the powersupply also listed as: part no. tps78915dbvr and tps79015dbvr in digikey? thanks also 22n .022uf? 220n .22uf? sorry for these beginner questions Sage
2004-06-30 by R. Drake
all, I've started to populate my Stone VCO boards, and I'm beginning to think a about front panels. Lots of options. Anyone have designs or pictures they could point me to, just to get some ideas? Much appreciated. thanks! luigi-bob drake rdrake@...
2004-06-29 by John Loffink
I used TL074BCP. It has the lowest input offset voltage, 3 mV typical. It would be better to get op amps optimized for low voltage offset, but I don't know if these come in quad packages. I seem to be getting more error from the resistor dividers anyway. Only the parts around the
2004-06-28 by Richard Brewster
Nice report, John! Thanks. I am just about to build my two ASR's. I am following your advice and using CA3140's and soldering these in, as well as the 4052 chips. Do you see any problem with using sockets for the TL071, TL074, and CD4024? It seems to me these are less critical, a
2004-06-27 by Richard Brewster
I just finished my dual CGS06 Burst Generator and love it! This project sat unfinished on my workbench for several weeks, because there was a strange malfunction I could not understand. Email exchanges with Ken Stone (very helpful, Ken, thanks) helped rule out possible causes of
2004-06-27 by John Loffink
Reformatted tables below for ASCII John Loffink The Microtonal Synthesis Web Site http://www.microtonal-synthesis.com The Wavemakers Synthesizer Web Site http://www.wavemakers-synth.com > -----Original Message----- > From: John Loffink [mailto: jloffink@... ] > Sent: Sunday, June
2004-06-27 by John Loffink
The question of ASR drift has come up before and I finally had my system in a state where I could measure this. I 'm calling it drift rather than droop since the voltage drifts upwards rather than downwards. As a first test I measured the output voltage of each stage of a dual AS
2004-06-27 by Richard Brewster
(Second try to post this message.) I just finished my dual CGS06 Burst Generator and love it! This project sat unfinished on my workbench for several weeks, because there was a strange malfunction I could not understand. Email exchanges with Ken Stone (very helpful, Ken, thanks)
2004-06-22 by Fernando
Hi The products I mentioned are Lazertran paper and Quick Laser. Lazertran can be printed on an inkjet printer too. There is a way of make it even more durable if you use your oven. Read on their site if you are interested. Other examples are Ken's panels, Serge old panels, Ray W
2004-06-21 by Larry Hendry
Larry, I am sending an order to the printer in one week. If you let me know right away and they are from our existing designs, I can get your panels in this order. Larry Hendry --- "Larry T." larry@... > wrote: > Hi All > I see the photos of the MOTM format modules and I really w
2004-06-21 by Fernando
Hi, in my opinion using that companies to do your panels is too expensive. You can do it your self in many ways. You can buy the aluminium cutted or cut it yourself to size and then for panel legend use some transfer product like Lazertrans or others. This way you have it exactly
2004-06-21 by Ryan Williams
If you mean panels that look exactly like MOTM panels, then you should look at: Larry Hendry's site: http://www.wiseguysynth.com/larry/default.htm he has custom panels made a few times/year that look just like motm panels. and he also sells special brackets for mounthing these pa
2004-06-21 by Jeffrey Pontius
Larry, At least two approaches: (1) Stooge panels: http://www.wiseguysynth.com/larry/panel.htm Batches of panels are run several times per year. Currently there is one run going and you would have to contact Larry Hendry to find out when the next batch (if available) will be run.
2004-06-21 by Larry T.
Hi All I see the photos of the MOTM format modules and I really want to know, How Do You Do That? I have quite a number of modules to do, and I am always put off by the issue of making panels. Larry
2004-06-21 by charlesosthelder
Hi All! I've a request - does anyone have a pcb layout for Thomas Henry's Supercontroller? If this is in his book, I'll gladly buy a copy before laying one out on my own. Please reply privately. Chub - recalcitrant control freak
2004-06-20 by charlesosthelder
I've put a photo of the finished module in the photos section. Sorry, but I couldn't figure out how to rotate it... It is safe to say that this may be the only MOTM-format module done in hot rod suede with tiki god pinstriping. Chub
2004-06-19 by Mike Marsh
And thanks to Chub for the parts. This is an easy build with lots of bang for the buck. Highly recommended, as is the simple wavefolder... Mike --- In cgs_synth@yahoogroups.com , "charlesosthelder" wrote: > Hi all! > > After much playing around, it seems to me that the 42TM018 wo
2004-06-19 by Scott Stites
Cool! Thanks for sharing this, Ryan. Cheers, Scott ----- Original Message ----- From: "Ryan Williams" destrukto@... > To: cgs_synth@yahoogroups.com > Sent: Friday, June 18, 2004 4:41 PM Subject: [cgs_synth] PT2395 schematics > hi all, > > I've put up schematics for the circuit I'
2004-06-19 by charlesosthelder
Hi all! After much playing around, it seems to me that the 42TM018 won't do the trick when followed by a simple makeup amp, though it was fine without. The 42TM002 has a 10K primary and 2K secondary (the DC resistance is about 600 ohms and 160 ohm respectively) and works very wel
2004-06-18 by Ryan Williams
hi all, I've put up schematics for the circuit I'll be using for the PT2395 delay. This is the best I have gotten it to sound. http://www.sdiy.org/destrukto/vc_delay.pdf A few notes: This isn't fully tested. The VCA, and input/output/mixer opamp sections (pg.2) are a little diffe
2004-06-16 by Fernando
Obv. I didn't understand Romeo the first time. Thank you both. f * > Just plug into the AC coupled SAW out for sync. > > >> It's basically just a sawtooth output, centered around 0V, on the > Electronotes VCO. > >>
2004-06-16 by sasami@hotkey.net.au
Just plug into the AC coupled SAW out for sync. Ken >Thanks Romeo. I see in the Electronotes the sync output is taken from near the saw out, >but I don't know how to precissely do that on the CGS VCO... I don't know wich is the best >point to take the signal out as a sync output
2004-06-15 by Fernando
Thanks Romeo. I see in the Electronotes the sync output is taken from near the saw out, but I don't know how to precissely do that on the CGS VCO... I don't know wich is the best point to take the signal out as a sync output and if a resistor or something is needed (remember I do
2004-06-15 by Fahl, Romeo
It's basically just a sawtooth output, centered around 0V, on the Electronotes VCO. %-----Original Message----- %From: Fernando [mailto: fdi@... ] %Sent: Tuesday, June 15, 2004 11:43 AM %To: cgs_synth@yahoogroups.com %Subject: [cgs_synth] VCO sync out? % % %Hi, % %I'd like to kno
2004-06-15 by Fernando
Hi, I'd like to know if there is a simple way of implementing a sync output on the CGS VCO. I see the ENS-76 op.1 has a sync out, but I don't know how to translate it to our CGS VCO. Thanks, Fernando
2004-06-12 by Fernando
It was just a funny implementation idea, so in any moment you can perform an "RFI solo" by just touching the screw. > Hi Fernando, > > On 10 Jun 2004 at 17:41, Fernando wrote: > > > > > Do the filter act on the received radio signal? > > I may use a switch to have that available,
2004-06-11 by earthtodylan2000
Hey John... Thanks for the comments. My FREQ knob does max out at the halfway point as you turn the pot. I'm hoping that this mod will help. I'm going to use the Synthacon with a Moog Voyager and a small Blacet system(binary zone, dark star chaos, time machine, miniwave, etc...)
2004-06-11 by Andy Wilson
Hi Fernando, On 10 Jun 2004 at 17:41, Fernando wrote: > > Do the filter act on the received radio signal? > I may use a switch to have that available, so when you touch a screw > on the panel you get > that strong RFI! =:) Sure does!. But I guess it depends on how strong the sign
2004-06-11 by Richard Brewster
I'm interested to see if John Loffink will comment. I interpreted this to mean to add 220K in series with the 220K resistor on the schematic. So I put a 430K resistor on the PC board. The range doesn't seem quite right. -Richard Brewster sasami@... wrote: >>Thanks...but do you me