Hi flamey101 ... What do you mean with CV buffer? A real simple buffer (one opamp with feeback on the inverting input, nothing else) or a S&H which holds the...
2355
flamey101
Oct 1, 2002 8:49 am
the non voltage drop multiple, I think that would be the first.. :) ... with ... the CV ... GmbH ... München...
2356
ethanzer0
Oct 1, 2002 12:25 pm
Hello, I just picked up 3 used A-140s. They seem to be a little older than the others I have and they have flat-top LEDs versus the rounded LEDs in my other...
2357
modularcharles
Oct 1, 2002 1:27 pm
Analogue Systems makes one -- the RS230. ... holds...
2358
flamey101
Oct 1, 2002 2:54 pm
I know, but I'd like to cut expenses.. :) ... first.. :) ... <Florian.Anwander@c...> ... opamp ... Software...
2359
Paul Schulz
posmos
Oct 1, 2002 3:50 pm
When I ordered two A-140 ADSRs and two A-145 LFOs in September ´98, one half of the modules were delivered with flat-top and the other half with round LEDs....
2360
Tim Stinchcombe
stinchcombe_t
Oct 1, 2002 7:18 pm
Hi Ethan/Paul, My 140 is marked 'v1 1995' and was bought in 2001 - my guess is that it is thus very unikely that there are 2 versions out there (either one of...
2361
Paul Schulz
posmos
Oct 1, 2002 8:53 pm
No matter which type of LEDs they have, my A-140s are all marked: "version1, 1995", so Doepfer don´t seem to have changed anything. So your idea of 'second...
2362
knarleybass
Oct 2, 2002 4:28 am
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=90951716 8 less than ond day left and less than ten people have looked at this auction. I figure I need to...
2363
knarleybass
Oct 2, 2002 4:28 am
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=90951716 8 less than ond day left and less than ten people have looked at this auction. I figure I need to...
2364
ethanzer0
Oct 2, 2002 6:12 pm
... I have 5 A-140s. 3 of which have flat LEDs. Of the 3 that have flat LEDs, 2 have visably different components on the PCB. Different transistors,...
2365
Joe Buechler
buechlerjoe
Oct 2, 2002 7:33 pm
I recall reading somewhere that all of the A100 modules originally had the flat red LEDs, and the Doepfer converted over completely to the round orange-ish...
2366
analogueman
Oct 2, 2002 10:08 pm
* ... The original modules had 'round' bead-like red LEDs. Later batches of modules used the 'flat' orangey coloured LEDs for a while before they made way for...
2367
Tim Stinchcombe
stinchcombe_t
Oct 2, 2002 11:14 pm
Hi all, First a correction - only two of the timing capacitors are electrolytics (I didn't take the module completely out of the case, so I misidentified...
2368
Paul Schulz
posmos
Oct 2, 2002 11:51 pm
I noticed some differences in transistors of my ADSRs, too. Okay, here we go (components marked on the PCB in brackets) A-140 with the flat LED: Q1 to Q4 and...
2369
jmaddocks1975
Oct 3, 2002 8:17 pm
I always thought the flat LEDS came first... My ADSR, VCADSR, S&H, VOCODER, SLEW LIMITER, ENV FOLLOWER, NOISE/RANDOM, CLK DIVIDER, CLK SEQ, LFO'S all have flat...
2370
Tim Stinchcombe
stinchcombe_t
Oct 3, 2002 9:30 pm
Hi Paul, Thanks for the info. I have just simulated the 'attack' part of the circuitry in the demo versions of PSpice and Multisim that I'm currently...
2371
analogueman
Oct 4, 2002 12:34 am
* ... No. The earliest modules had the red bead-type ones. Sean. analogueman@... *...
2372
bakis Sirros
synth_freak_...
Oct 4, 2002 1:15 pm
... ===== synthfreak(parallel worlds) athens-greece [Doepfer_a100] group owner-moderator __________________________________________________ Do you Yahoo!? New...
2373
analogueman
Oct 4, 2002 4:06 pm
* Although I'm grateful for Dieter's reply concerning the 'history' of the LEDs on the A-100 modules, I have to say that I received the first batch of modules...
2374
Evan Lorden
funkfumes
Oct 7, 2002 2:46 am
Hi Doepfer interestees, Thanks for those lists. Quite handy. I have a WASP query. I'm hoping someone can tell me how to calibrate the cutoff frequency so that...
2375
bakis Sirros
synth_freak_...
Oct 7, 2002 12:49 pm
... ===== synthfreak(parallel worlds) athens-greece [Doepfer_a100] group owner-moderator __________________________________________________ Do you Yahoo!? ...
2376
jmaddocks1975
Oct 9, 2002 5:46 pm
Hi Evan, I don't know how to fix the module but here's a simple patch to solve it. Wasp filter(a124) to Dual VCA(a132) audio in. Control Voltage Source(a176)...
2377
thepeak
noteas17
Oct 9, 2002 9:18 pm
my professional reccomendation for you is that you twidle with all your knobs and hope for the best!!!!!! Miss Lee (Sound engineer extrodinare!) ... From:...
2378
unknown freak
modularcharles
Oct 9, 2002 9:24 pm
A lot of highpass filters seem to exhibit this behavior -- my Doepfer multimode, my ASys multimode, the multimode on my Alesis Andromeda, even my Electrix...
2379
Florian Anwander
florian_anwa...
Oct 10, 2002 6:54 am
Hi ... If you read carefully your own posting you will find some interesting relation: Only multimode filters show this behaviour. Pure highpass filters don't....
I'd be curious to hear about what the Filter Factory sounds like. Do you patch it in to your A100? Joe ... Doepfer ... even ... Doepfer ... and ... that ... ...
2382
unknown freak
modularcharles
Oct 12, 2002 8:04 pm
The FilterFactory's really pretty sweet. It's a stereo pair of filters with -24 dB on the lowpass and highpass side and -12 dB on Bandpass and Notch, but you...
2383
(i think you can figu...
petergrenader
Oct 14, 2002 3:09 am
Hate to break it to you guys - but the modules on my Analogue Systems gear, all of which is new, all has flat tops. Every single dang one of them. So, it's...
