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2007-01-20 by sasami@hotkey.net.au
>The tracks and soldering look good. >I'm not sure but I think there may be a problem with the transformers. I doubt it. They are all tested here before they leave. >I found that the 14 pins in the middle(8 from diodes and 3 from each >transformer) all produced the signal from th
2007-01-20 by mudthumpertwine
The tracks and soldering look good. I'm not sure but I think there may be a problem with the transformers. I tried holding the output plug against the soldered pins on the back of the pcb while two different signals were connected to the middle and right jacks. I found that the 1
2007-01-20 by bbluthang
I got 6 sub-mini tubes for $1 (+ $7p&p), bought them a while ago, before Ken released this PCB. Only 2 are pentodes though. There are a couple of sellers on ebay that are always selling these tubes, so easy to find. --- In cgs_synth@yahoogroups.com , Jason Proctor wrote: > > not
2007-01-19 by Richard Brewster
I got 10 1J24B on Ebay for $17 U.S. + $7 shipping. Paid for on December 28 and still awaiting their arrival from Russia in the mail. To those who replied expressing interest, I will make an announcement when I want to sell the extras. As for me, I am holding off buying the rest o
2007-01-19 by supisuzoi
I just got a 3-pack of unused 1J24B tubes for under 5 euro, including shipping : ) soggy --- In cgs_synth@yahoogroups.com , Jason Proctor wrote: > > not that i can afford anything right now, but out of curiosity how > much are these tubes? > > tx > > > >I am planning to build two
2007-01-19 by Jason Proctor
not that i can afford anything right now, but out of curiosity how much are these tubes? tx >I am planning to build two of these with 1J24B tubes, too. I've >designed a panel with a two input mixer. The output goes to the second >input by jack normal connection for feedback. I am
2007-01-19 by Fernando de Izuzquiza
Thanks Andrew. So the control afects timbre in a more complex way than I thought (not just amplitude and then drive) Very interesting. I'll also say, thanks Ken once more! Fernando > > Hi Fernando > > On the third image you get a pointy waveform from the triangle, how? > with fee
2007-01-19 by bbluthang
Hi Fernando > On the third image you get a pointy waveform from the triangle, how? with feedback? Or > somewhere with less gain than necessary for squaring it like in the fourth picture? haven't even tried feedback yet, these pics were taken whilst the PCB was still on the bench.
2007-01-18 by Richard Brewster
I am planning to build two of these with 1J24B tubes, too. I've designed a panel with a two input mixer. The output goes to the second input by jack normal connection for feedback. I am waiting for the tubes to arrive from Russia. I bought 10 tubes. I am planning to keep two extr
2007-01-18 by sasami@hotkey.net.au
What you are doing sounds correct. Check to see that a solder pad on the PCB hasn't lifted and that none of the tracks have been broken while you were soldering. Ken >Ok, so the TP wire is going to the tip contact and the SL wire >is going to the shaft or ground contact. >One out
2007-01-18 by mudthumpertwine
Ok, so the TP wire is going to the tip contact and the SL wire is going to the shaft or ground contact. One output from each oscillator is plugged directly into the left and middle jacks of the RRing. The jack on the right is plugged directly to an amp. There's still no sound. We
2007-01-18 by Fernando de Izuzquiza
Great scope pictures, thanks! On the third image you get a pointy waveform from the triangle, how? with feedback? Or somewhere with less gain than necessary for squaring it like in the fourth picture? Very interesting processing anyway Fernando > I put some 'scope shots up to giv
2007-01-18 by Louis van Dompselaar
> I got this module running today. It is VERY good and does some very > interesting things beyond regular VCA duties. I'll second that! I just built two with the 1J24B tubes and they are great. Louis
2007-01-18 by bbluthang
I got this module running today. It is VERY good and does some very interesting things beyond regular VCA duties. I used a 1AG5 tube, different pinout and some different resistors to up the gain (as per Ken's suggestions) and it worked. There should be a lot of tubes that can be
2007-01-18 by bbluthang
> If a synth module is designed > propperly, it will not have any permanent affect, but if a synth module is > poorly designed it is vaguely possible damage could occur, though I've not > heard of it happening with the real ring before. > If it any re-assurance, I often use the R
2007-01-18 by sasami@hotkey.net.au
>I have 3 switchcraft type jacks(different that the box ones in ken's >diagram) that have 3 places to connect wires. >The first connects to the shaft where the plug enters so i figured >that is the ground or the equivalent of SL? >The other two connect to parts that are touching
2007-01-18 by mudthumpertwine
Hi, I just received my real ring modulator today, wired it up and connected it to two outputs on my paia vco then out to an amp and just got silence. Now I'm very new to this so I just wanted to make sure that I am wiring the jacks right. I have 3 switchcraft type jacks(different
2007-01-16 by Jay
Louis van Dompselaar wrote: >> Holy Cow! Only 35 cents apiece!!! How did I miss this? > > But... "Minimum order for foreign orders is $75.00". > So I'm still looking... > > I've been told on the sdiy list that the NTE ones work > as well, but those seem to be sold only by Mouser
2007-01-15 by Louis van Dompselaar
> Holy Cow! Only 35 cents apiece!!! How did I miss this? But... "Minimum order for foreign orders is $75.00". So I'm still looking... I've been told on the sdiy list that the NTE ones work as well, but those seem to be sold only by Mouser which, also, isn't kind on foreign orders
2007-01-15 by Charles Osthelder
Holy Cow! Only 35 cents apiece!!! How did I miss this? Fine business, Scott! I've sent the last of the 4006's off, so it would do well for those of you just thinking about the digital noise module to dig into this source. I'm going to check out what else they've got! Chub --- In
2007-01-14 by scottnoanh@peoplepc.com
Hey Charles, Last time I got some 4006's, I got them from ABRA Electronics: http://www.abra-electronics.com/driver/database.php?search=4006 I've only ordered once from them, but I really like them. If the order is over $50, they include free a groovy little DMM with the order. Di
2007-01-14 by Charles Osthelder
I've got three 4006's left - all tested. Let me know if you want one and I'll send it free. I've got to find another cheap source of those! Chub --- In cgs_synth@yahoogroups.com , Louis van Dompselaar wrote: > > > and is no doubt OLD. > > They're from RCA, which makes them at lea
2007-01-14 by sasami@hotkey.net.au
Monoblock is one term given to the nasty little ceramic capacitors used for decoupling. Their dialectric is a little "slab" or block. Basically, if monoblock is specified, any damn thing will do if it fits. No need to waste money on nice capacitors. Ken >Check out this link: > ht
2007-01-14 by mbedtom
Check out this link: http://en.wikipedia.org/wiki/Surface-mount_technology SMD = Surface Mount Device, a component part that falls within the family of SMT ... Surface Mount Technology. After reading that link, you will have learned among other things, that a "1206" component mea
2007-01-13 by stuadh
Ken, I'm buying in supplies for the Programmer. Can you explain what the 1206 SMD (Static Memory Device?) and the Monoblock capacitors are, please. --- In cgs_synth@yahoogroups.com , "stuadh" wrote: > > Of course, I could always use your Gate to Trigger Converter! Just > answered
2007-01-12 by sasami@hotkey.net.au
>By the way, I got these AE's from eBay about six months >back and they were shipped to me without any static >protection so they might well be dead. Almost certainly dead in that case. Ken _______________________________________________________________________ Ken Stone sasami@.
2007-01-12 by Louis van Dompselaar
> and is no doubt OLD. They're from RCA, which makes them at least 20 years old I guess. Thanks for your suggestions, I'll give them a try. I'll also try and get some other 4006's. By the way, I got these AE's from eBay about six months back and they were shipped to me without an
2007-01-12 by sasami@hotkey.net.au
For what it's worth, the original design I referred to when designing this specified the SCL4006AE. So apparently an A series should work. Note: SCL chips by SSS (Solid State Scientific) were deemed to be disasters by industry many years back. Suggestions #1. Increase the 10k pul
2007-01-12 by Louis van Dompselaar
I came across the message below in the list archives. Was this ever resolved? I'm having the exact same problem with my CD4006AE's and I am using the CGS PCB. Moreover, I have breadboarded the Transcendent noise source with these chips earlier and that also had the VCO at the out
2007-01-12 by stuadh
Of course, I could always use your Gate to Trigger Converter! Just answered my own question. Cheers --- In cgs_synth@yahoogroups.com , "stuadh" wrote: > > Wow, > > thanks for getting back so quickly. > > Two more questions, if I may. Q5, below sounded dumb, but what I > meant was
2007-01-11 by stuadh
Wow, thanks for getting back so quickly. Two more questions, if I may. Q5, below sounded dumb, but what I meant was what is the voltage range (ie is it compatible with Doepfer & A systems kit - I assume it is). And Q6, is there a simple way to make the pulse out a trigger? Much a
2007-01-11 by sasami@hotkey.net.au
Programmer: >1. I'm not sure I understand how to limit the number of steps in the >sequence and what exactly the Ext Pulse does. For example, if you >want to run from steps 3 through to 7, would you patch the pulse of >step 7 to the Ext pulse of step 3? You would patch the pulse
2007-01-11 by stuadh
Hi, I've had some time to study the schematics now and I have some specific questions to confirm my understanding of the circuit before I commit to buying. I have a Doepfer A-155 and knowing that this is my starting point might help understand what I'm trying to achieve with this
2007-01-11 by sasami@hotkey.net.au
Mount the switches on the PCB first, but don't solder them, then push the assembly through the panel etc. When you are happy, solder the switches then. Ken >In building the Gate Sequencer switch board, I'm thinking I should mount >the switches in the front panel (not tightly, jus
2007-01-11 by Andrew Scheidler
In building the Gate Sequencer switch board, I'm thinking I should mount the switches in the front panel (not tightly, just snug), lay that face down, then place the PCB onto the switch pins and solder. Doing this would ensure that things are lined up properly when soldered... is
2007-01-11 by stuadh
Hi all, I'm considering taking on the programmer project with a view to building a 16 step sequencer with trigger outputs. Has anyone done this and would be willing to pass on some of their experience? Yours Aye Stuadh
2007-01-07 by sasami@hotkey.net.au
:) Glad to know it. >just wanted to post that in case someone actually took sometime to help me troubleshoot! >i'll deleate it in a day or so - thanks for the bandwidth :) my problem was a broken >trace in the envelope processor section! yay love the cynare > > >dave wright > > >
2007-01-07 by wright
just wanted to post that in case someone actually took sometime to help me troubleshoot! i'll deleate it in a day or so - thanks for the bandwidth :) my problem was a broken trace in the envelope processor section! yay love the cynare dave wright
2007-01-07 by ringmod45
Hi Ken, Thank you very much for answering my questions and Kudos on a great design. I will ordering a set boards very soon. Regards, RM -- In cgs_synth@yahoogroups.com , sasami@... wrote: > > >Is there an advance input to cycle the programmer from stage to > >stage in a forward o
2007-01-06 by sasami@hotkey.net.au
>Is there an advance input to cycle the programmer from stage to >stage in a forward or reverse direction( not a b c d pots per stage >up and down)? Up and down are for forward and backwards movement through the stages. THe ABCD pots are all selected at once per row, just like in
2007-01-06 by ringmod45
Hi Ken, This module looks very interesting. Having worked with a Serge programmer before, I really appreciate this new design of yours. Is there an advance input to cycle the programmer from stage to stage in a forward or reverse direction( not a b c d pots per stage up and down)
2007-01-06 by Charles Osthelder
Hi Andrew! You need the non-shorting variety. Otherwise you'd never go beyond the first clock pulse! Kinda like how my morning is going... Chub - more coffee please. -- In cgs_synth@yahoogroups.com , "Andrew Scheidler" wrote: > > There are "shorting" and "non-shorting" rotary swi
2007-01-06 by Andrew Scheidler
There are "shorting" and "non-shorting" rotary switches. Which one should I use for the 'length' control on my Gate Sequencer? Or doesn't it matter? thanks :) Andrew
2007-01-06 by Fernando de Izuzquiza
I found the ferrite beads at RS Components in Europe. I've added the RS part number, manufacturer (Murata) part number and RS link at this group's links page. You can find it from other suppliers if you find them in their catalog (not easy) Fernando > > Did you use beads > > or 1
2007-01-06 by Louis van Dompselaar
> Did you use beads > or 10R resistors as power rail isolation? Ferrite beads, but the ones where the wire goes through the bead multiple times. I have some plain ones lying around that I could use. > It sounds like the LF356 are are drawing too much power for some > reason. Not
2007-01-05 by Richard Brewster
A modification recommended in the Notes is to add a 100 ohm resistor between pin 1 of TL074d and pin 3 of 4052. This was suggested if you use a larger capacitor for CX. I used 100nf caps and did add the 100R. Note: These are special 100nf caps, WIMA mixed film type, Mouser # MKP2
2007-01-05 by sasami@hotkey.net.au
It's not right. >First, the LF356 are running warm, which usually only troubles me if the >circuit doesn't work either. Should they get warm if it works fine? I would not expect them to get warm. >Second, the outputs step up and down by around 10mV in sync with pin 12 of the 4024
2007-01-05 by Louis van Dompselaar
Hi list, I'm running into some small problems with my ASR. It is working as it should, apart from two things: First, the LF356 are running warm, which usually only troubles me if the circuit doesn't work either. Should they get warm if it works fine? Second, the outputs step up a
2007-01-05 by analog hell
Thanks Ben! --- In cgs_synth@yahoogroups.com , Ben Stuyts wrote: > > > On 4 Jan 2007, at 23:00, analog hell wrote: > > > I know this is supposed to be an easy part to find, but i'm having > > trouble finding a relay that fits the PSU delay boards. > > > > I've twice ordered from
2007-01-05 by sasami@hotkey.net.au
Curses! Wrong link! Try this one. http://www.mouser.com/search/ProductDetail.aspx?R=MR62-12USRYvirtualkey55100 000virtualkey551-MR62-12USRY _______________________________________________________________________ Ken Stone sasami@... Modular Synth PCBs for sale http://www.blaze.ne