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2008-05-25 by sam
whooops...i see you already posted that info. thanks!! --- In Doepfer_a100@yahoogroups.com, "sam" wrote: > > Hey, > your replaced knobs look great. Have you got any info on where you > picked them up that you can share?? > thanks! > > --- In Doepfer_a100@yahoogroups.com, "laryn91
2008-05-25 by sam
Hey, your replaced knobs look great. Have you got any info on where you picked them up that you can share?? thanks! --- In Doepfer_a100@yahoogroups.com, "laryn91" wrote: > > In case someone is interested, I posted a photo of Neutrik 1/4" jacks in some of my Doepfer > modules. > >
2008-05-25 by Florian Anwander
Tim I'll send you private mail, which might help more. Florian
2008-05-25 by helitr0n
Hi Tim, both chips, 555 and TL084 are working properly. also the potentiometers seem to be ok. atm i am measuring V inbetween 2 boards having the same settings. lets see what i find. thanks --- In Doepfer_a100@yahoogroups.com, "Tim Stinchcombe" wrote: > > Hi Helitron, Florian, >
2008-05-25 by laryn91
Hi Pierre, I got them from Jameco.com - they don't carry my exact part number anymore, but here's one that may be just like it: http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=- 1&storeId=10001&catalogId=10001&productId=136241 These set-screw type knobs expe
2008-05-25 by Tim Stinchcombe
Hi Helitron, Florian, > properly on there, and since it was working before it has to be some > component that is dead. guess i have to exchange the potentiometers. I'd be very surprised if changing any pots cures the problem, and besides, you could probably check that sustain pot
2008-05-25 by helitr0n
Hi bakis, no, thats not the problem. it also behaves like that when nothing is pluged in. thanks for the hint. helitron --- In Doepfer_a100@yahoogroups.com, Bakis Sirros wrote: > > just an idea... > i had one malfunctioning adsr, in one of my a143-2, > for a few minutes, until i
2008-05-25 by helitr0n
Hi Florian, I also tested the J1, it seems ok. like i said everything is soldered properly on there, and since it was working before it has to be some component that is dead. guess i have to exchange the potentiometers. thanks. --- In Doepfer_a100@yahoogroups.com, Florian Anwande
2008-05-25 by floris vanhoof
dear, can i saw my bus board in two so that it fits in a small case i made? is there anything i should pay attention to? best, floris
2008-05-25 by Florian Anwander
Hi helitr0n > thanks for the hint. you mean JP5? that looks properly soldered, No I meant J1 (not JP1). I uploaded the PCB and a cutout from the schematics: http://launch.ph.groups.yahoo.com/group/Doepfer_a100/photos/browse/935e?c= It is marked red. Florian
2008-05-25 by pfichoux
Dear Laryn91, Could you let us know were you found those delightful knobs ? Best, Pierre
2008-05-25 by Doug
Hi H, thanks for these subjective impressions. Very encouraging. Doug --- In Doepfer_a100@yahoogroups.com, "hemi_ch" wrote: > > >>Any advice is appreciated, especially from those who have tried BBD > hi, > I'm not into maths, but i hvae 128, 256 and 512 stagers plus also a > 4096
2008-05-24 by Bakis Sirros
just an idea... i had one malfunctioning adsr, in one of my a143-2, for a few minutes, until i found out that the tip of the minijack plug (when it was plugged in of course)was touching the pins of the led that is right behind the respective 'adsr out' minijack socket, of the sai
2008-05-24 by Florian Anwander
Hi helitr0n > one of the four EGs is not working properly: > when the sustain = 0, the output is high, without beeing triggered. > however, when a trigger/gate is applied, the envelope stops for the > duration of the signal, and then it goes high again. > with sustain >3, the env
2008-05-24 by hemi_ch
>>Any advice is appreciated, especially from those who have tried BBD wrote: > > Hi Doug, > > Definitely a late reply, sorry for that. > I just received my 256-stage-BBD today, > and couldn't yet test it, but I just tried to > verify your claims. In theory, you've got the > math
2008-05-24 by hemi_ch
>>Speaking of being *very* useful, what is this thing exactly? wrote: > > Speaking of being *very* useful, what is this thing exactly? Just a > precise mixer intended for CV? What is the main application? Adding > pitch modulation to a keyboard CV? > > Thanks, > Doug > > > --- In
2008-05-24 by hemi_ch
ou shit, i was not aware that those 0,01% Resistors are so expensive. Ok, for Manufacturing it would not be a choice. I can solder, but have often problems when desoldering. For myself i could match some 0,1% Rssistors to 0,01% i think what temperature is the best to desolder Doe
2008-05-24 by helitr0n
Hi Florian, thanks for the hint. you mean JP5? that looks properly soldered, like all other solderjoints on the board. and retriggering via LFO while holding down the gate, does retrigger. however it depends on the sustain/decay pot settings. if both are low the EG goes low when
2008-05-23 by Bakis Sirros
Hello, For sale: Analogue Systems RS420 Octave controller module in fine cosmetic and working condition! Comes with ribbon cable and screws. (Price 75% of new): its new price is 120UKP=237.5 USD so, selling price is: 178 USD payment via paypal, paypal fees add 3.5%, shipping is 9
2008-05-23 by selfoscillate
--- In Doepfer_a100@yahoogroups.com, "omegaattraktor" wrote: > > --- In Doepfer_a100@yahoogroups.com, "Monroe Eskew" > wrote: > > > > That sounds like thru-zero amplitude modulation, which is nothing new, > > though it is a nice feature to put within one module. But thru- zero >
2008-05-23 by helitr0n
its the EG#3, and the malfunction is also outside of the case. however i will exchange the pot to see if that helps - since warranty time is over. thanks ! --- In Doepfer_a100@yahoogroups.com, wrote: > > > hi all, > > > > one of the four EGs is not working properly: > > when the
2008-05-23 by Monroe Eskew
To describe a sine wave mathematically we write the voltage function of time as V(t) = sin(ct) where c is a constant. We can show that c is in fact the frequency, or cycles per unit time (if we normalize to radians). c may be taken to be negative, but in all cases we have the ide
2008-05-23 by laryn91
I believe the confusion is calling it positive and negative "frequencies". The frequency doesn't change - only the cycle direction. Here's another way to visualize it: a sine wave can be drawn by moving a point around a circle and plotting its Y axis displacement on a linear stri
2008-05-23 by hardware@doepfer.de
> hi all, > > one of the four EGs is not working properly: > when the sustain = 0, the output is high, without beeing triggered. > however, when a trigger/gate is applied, the envelope stops for the > duration of the signal, and then it goes high again. > with sustain >3, the env
2008-05-23 by hardware@doepfer.de
> > I may be a little off on the specifics here (I don't have a scope) but > > the Buchla pulse jacks carry the equivalent of a gate and trigger. The > > trigger is imposed on the gate level. Bad ASCII art: > > _ > > 10v | | > > | | > > 5v | ---- > > | | > > 0v. --- ------ > > >
2008-05-23 by omegaattraktor
--- In Doepfer_a100@yahoogroups.com, "Monroe Eskew" wrote: > > That sounds like thru-zero amplitude modulation, which is nothing new, > though it is a nice feature to put within one module. But thru-zero > frequency modulation? Still confused. negative frequencies has nothing to
2008-05-23 by laryn91
In case someone is interested, I posted a photo of Neutrik 1/4" jacks in some of my Doepfer modules. I always liked the look of those cool chrome phone jacks ASys used better than the cheap black plastic nut type used by Doepfer. Mouser has Neutrik jacks with chrome nuts that loo
2008-05-22 by James Husted
That is a very neat method (combining a gate and a trig in one signal) - I didn't know they did that. I imagine that summing both a 5V trigger and a 5V gate would do that. When both are present you would get the Buchla Pulse. The summing would not have to be spot-on to work. I wo
2008-05-22 by Monroe Eskew
That sounds like thru-zero amplitude modulation, which is nothing new, though it is a nice feature to put within one module. But thru-zero frequency modulation? Still confused. Thanks, Monroe On Thu, May 22, 2008 at 1:20 PM, Brandon Daniel wrote: > On Thu, May 22, 2008 at 12:35 P
2008-05-22 by Brandon Daniel
On Thu, May 22, 2008 at 12:35 PM, Monroe Eskew wrote: > But what exactly is "traveling in the opposite direction?" If you graph out > voltage vs. time, then there is only one direction to go since, absent a > flux capacitor, time marches on in a "forward" direction. > Do they jus
2008-05-22 by Monroe Eskew
But what exactly is "traveling in the opposite direction?" If you graph out voltage vs. time, then there is only one direction to go since, absent a flux capacitor, time marches on in a "forward" direction. Do they just mean that the voltage is inverted when you set the thing bel
2008-05-22 by Brandon Daniel
On Thu, May 22, 2008 at 11:16 AM, Monroe Eskew wrote: > How can you have negative frequencies? Frequency is cycles per second... > How do you get a negative number of cyles?? IIRC, it's not exactly negative frequency, it's just a flipped phase. IE, at 1hz it's one cycle per secon
2008-05-22 by Monroe Eskew
How can you have negative frequencies? Frequency is cycles per second... How do you get a negative number of cyles?? [Non-text portions of this message have been removed]
2008-05-22 by Chris Muir
There's also the issue of Gate & Trigger Buchla Pulse I may be a little off on the specifics here (I don't have a scope) but the Buchla pulse jacks carry the equivalent of a gate and trigger. The trigger is imposed on the gate level. Bad ASCII art: _ 10v | | | | 5v | ---- | | 0v.
2008-05-22 by Monroe Eskew
If anyone has an Analogue Solutions LFO-NZ module they would like to sell, please let me know. -Monroe [Non-text portions of this message have been removed]
2008-05-22 by James Husted
Thanks! - I'm in Photoshop about 80% of my workday - sigh... It would have been a lot better work if I had takes the photos myself (the other 20% of the workday), I just snagged them off the net. Wait till I get time to mock up a pic of a VC iPod nano module I would love to have
2008-05-22 by helitr0n
hi all, one of the four EGs is not working properly: when the sustain = 0, the output is high, without beeing triggered. however, when a trigger/gate is applied, the envelope stops for the duration of the signal, and then it goes high again. with sustain >3, the envelopetriggerin
2008-05-22 by Eric Normand
--- In Doepfer_a100@yahoogroups.com, James Husted wrote: > > > > > > P.S. Why are they called Banana ? I can't see any similarity :-) > > > > > > I made a photo to the files section to show this a little better I > hope (love that PhotoShop): > > http://launch.ph.groups.yahoo.com
2008-05-21 by James Husted
> > P.S. Why are they called Banana ? I can't see any similarity :-) > > I made a photo to the files section to show this a little better I hope (love that PhotoShop): http://launch.ph.groups.yahoo.com/group/Doepfer_a100/photos/browse/ f53b?c= -James
2008-05-21 by James Husted
On May 21, 2008, at 12:13 AM, hardware@doepfer.de wrote: > > P.S. Why are they called Banana ? I can't see any similarity :-) > > The "banana" similarity is in the banana plug, not the banana jack. Think of a straight banana and the ridges of the banana peel look similar to the m
2008-05-21 by Doug
Thanks Michael, yes, I was taking 100kHz as the max internal clock frequency. Doubling that gives higher octaves. Thanks for your reply and hopefully you can report back on your 256. I have decided on the 512 pending further input. Thanks, Doug --- In Doepfer_a100@yahoogroups.com
2008-05-21 by Michael Wagner
Hi Doug, Definitely a late reply, sorry for that. I just received my 256-stage-BBD today, and couldn't yet test it, but I just tried to verify your claims. In theory, you've got the math right, but the manual of the BBD states the following: "[the clock oscillator frequency] depe
2008-05-21 by hardware@doepfer.de
> Thanks Silas and Dieter for the information. > > One of the racks in my system is from 1999 apparently, so it looks > like I have some hours of fun ahead of me as curl all the jack > contacts on the modules... > > Can anyone recommend a pin-for-pin replacement jack socket? > It
2008-05-21 by hardware@doepfer.de
> Speaking of being *very* useful, what is this thing exactly? Just a > precise mixer intended for CV? What is the main application? Adding > pitch modulation to a keyboard CV? > > Thanks, > Doug The main application is to generate a common (and buffered) control voltage that is
2008-05-21 by hardware@doepfer.de
> Hi , > is the first time I post a matter on the forum , my English is to bad > For translate my wish and my ideas :) > > I would like to know if it was possible Dieter making a module who > accept the exchange ( Convert 1V/Oct in 1.2, Gate/Pulse, > Minijack/Banane ... ) with Bu
2008-05-21 by Eric Normand
--- In Doepfer_a100@yahoogroups.com, wrote: > > > Hi , > > is the first time I post a matter on the forum , my English is to bad > > For translate my wish and my ideas :) > > > > I would like to know if it was possible Dieter making a module who > > accept the exchange ( Convert
2008-05-20 by Chris Muir
On May 20, 2008, at 10:16 AM, Eric Normand wrote: > I would like to know if it was possible Dieter making a module who > accept the exchange ( Convert 1V/Oct in 1.2, Gate/Pulse, > Minijack/Banane ... ) with Buchla B200e ? Harvestman has a module like this in the planing stage: ht
2008-05-20 by Eric Normand
--- In Doepfer_a100@yahoogroups.com, Chris Muir wrote: > > > On May 20, 2008, at 10:16 AM, Eric Normand wrote: > > I would like to know if it was possible Dieter making a module who > > accept the exchange ( Convert 1V/Oct in 1.2, Gate/Pulse, > > Minijack/Banane ... ) with Buchla
2008-05-20 by Eric Normand
Hi , is the first time I post a matter on the forum , my English is to bad For translate my wish and my ideas :) I would like to know if it was possible Dieter making a module who accept the exchange ( Convert 1V/Oct in 1.2, Gate/Pulse, Minijack/Banane ... ) with Buchla B200e ? I
2008-05-20 by Doug
Speaking of being *very* useful, what is this thing exactly? Just a precise mixer intended for CV? What is the main application? Adding pitch modulation to a keyboard CV? Thanks, Doug --- In Doepfer_a100@yahoogroups.com, "hemi_ch" wrote: > > my A-185-2 has a difference of 2cents