Doepfer

so, in your tests, would you say a reasonable analog delay is 
possible?  or would there need to be additional chips in the delay 
line and filters to filter the clock out?

i'm a lo-fi kind of guy, so the grease and noise of BBDs are not a 
deterrent but rather a plus.

-t

--- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
<synaptic_music@y...> wrote:
>
> 
> hello tom,
> 
> basically the only difference is the possible minimum/maximum
> delay time. the bbd with 1024 stages offers shorter delays
> than the 2048 stages version. i cannot say much about the
> maximum delay time, because with long delay times you will
> hear the clock noise and i assume that you don't
> want this to happen with slapback delays.
> 
> best wishes
> 
> ingo
> 
> 
> 
> --- In Doepfer_a100@yahoogroups.com, "thomasborax" 
<thomasborax@y...> 
> wrote:
> >
> > hello ingo and others-
> > could you describe to me in more detail than is available on the 
> > doepfer webpage what the differences, advantages and 
disadvantages 
> > would be between the two different bbd ics?  
> > 
> > i prefer a longer delay time, as i would use a slapback and or 
> > reverb/delay effect more than i would use chorus.  
> > 
> > your sound files were helpful, thank you.
> > 
> > ---tom
> > 
> > --- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
> > <synaptic_music@y...> wrote:
> > >
> > > 
> > > hello all,
> > > 
> > > first, a merry christmas to everybody :-)
> > > 
> > > the a188/1 is a very exciting module, especially
> > > because it is not limited to standard flanger,
> > > chorus or reverb effects.
> > > 
> > > i have prepared some examples, recorded directly from the
> > > output jack of the prototype (using a 1024 stages bbd ic).
> > > sorry for the brief descriptions.
> > > oh well, it's christmas...  :-)
> > > 
> > > 1.
> > > karplus-strong synthesis, based on the example patch
> > > as published on the doepfer homepage. this is an
> > > example for plucked sounds.
> > > 
> > > http://www.selfoscillate.de/a100files/a188-1-karplus-pluck.mp3
> > > file size: 195 kb
> > > 
> > > 2.
> > > a single a110 sawtooth through the a188/1, delay time modulated
> > > by a triangle lfo.
> > > 
> > > http://www.selfoscillate.de/a100files/a188-1-sawplus.mp3
> > > file size: 210 kb
> > > 
> > > 3.
> > > a single a110 squarewave through the a188/1,
> > > no delay time modulation, but obscure parameter values ;-)
> > > 
> > > http://www.selfoscillate.de/a100files/a188-1-spooky.mp3
> > > file size: 301 kb
> > > 
> > > 4.
> > > this is a self-oscillating a188/1, the module gets no
> > > audio input. the delay time is modulated by an a149/1.
> > > 
> > > http://www.selfoscillate.de/a100files/a188-1-selfplay.mp3
> > > file size: 295 kb
> > > 
> > > 5.
> > > now my favorite. a drum pattern coming from a tr808
> > > is fed into an a119 and from there into the a188/1.
> > > the a119 env output is fed into the a188/1 cv in 2.
> > > both delay time and cv 2 polarizer knobs were slowly
> > > adjusted by hand during recording, to give an idea of
> > > the sonic potential. in the beginning it sounds like
> > > flanging, with decreasing clock frequency it falls into
> > > a mixture of granular synthesis and bit-reduction.
> > > the signal seems to fall apart and then rebuilds under
> > > rhythmic control of the 808 signal level.
> > > halfways through the recording the a188/1 audio input
> > > attenuator is turned further clockwise for some
> > > overdriven sounds.
> > > 
> > > http://www.selfoscillate.de/a100files/a188-1-follow-the-808.mp3
> > > file size: 2110 kb
> > > 
> > > have fun everybody :-)
> > > 
> > > best wishes
> > > 
> > > ingo
> > >
> >
>