Doepfer

oh yes.... I am really excited about the mentioned A-1xx Bit 
Cruncher, I use this effect alot on my nord modular and software 
plug-ins. A module version......can't wait!!!

John 







--- In Doepfer_a100@yahoogroups.com, Bakis Sirros 
<synth_freak_2000@y...> wrote:
> 
> --- Dieter Doepfer <hardware@d...> wrote:
> > From: "Dieter Doepfer" <hardware@d...>
> > To: "Bakis Sirros" <synth_freak_2000@y...>
> > CC: "Roland Mayer" <technik@d...>,
> > 	"Chris Assall" <software@d...>
> > Subject: Comments
> > Date: Wed, 7 Jan 2004 15:21:42 +0100
> > 
> > Dear Bakis,
> > 
> > please forward....
> > 
> >
> > 
> > 
> > 
> > Back from the holidays I want to give my view on
> > some of the messages during
> > the last few days:
> > 
> > A-149-1
> > 
> > We checked and discussed the A-149-1. Peter is right
> > in two items:
> > 1. The A-149-1 triggers at the falling edge of the
> > clock signal but not to
> > the rising edge as stated in manual. Normally this
> > is no problem but we will
> > correct this.
> > 2. Chris confirmed that internally only one shift
> > register is used for both
> > parts of the module as he found no significant
> > difference when using two
> > separate shift registers (the shift register is
> > triggered whenever a trigger
> > from the upper or lower section of the module occurs
> > but the corresponding
> > random output is updated only by its trigger). Chris
> > told me that it would
> > be no problem to introduce two separate shift
> > registers for both parts of
> > the module if desired.
> > 
> > But we cannot confirm that the A-149-1 triggers on
> > both the falling and
> > rising edge of the clock.
> > 
> > 
> > Sequence of module production
> > 
> > I think it does not make sense to postpone the
> > production of module to a
> > later date if the development is already finished to
> > 90%. Only for modules
> > that are planned (but the development has not yet
> > started) it makes sense to
> > rearrange the priority.
> > 
> > The development of these modules is ready or more
> > than 90%: A-137 Wave
> > Multiplier, A-154 Sequencer Controller, A-149-2
> > Digital Random Voltages,
> > A-197 Analog Meter, A-101-3 Modular Vactrol Phaser.
> > These modules are
> > planned for the next production series. Our
> > manufacturer will get the
> > production data about middle od January and I hope
> > the modules will be
> > available end of February (not binding).
> > 
> > For some other module we already have started the
> > development and built the
> > first prototypes. But it may be necessary to add
> > some major modifications:
> > A-101-1 Vactrol Steiner Filter, A-101-2 Lowpass
> > Gate, A-152 Voltage
> > Addressed Switch, A-164 Manual Gate.
> > 
> > Some modules are still in the early development
> > state (no prototypes built
> > but schematics and/or pc board under
> > construction/discussion): A-1xx 12 Bit
> > Clocked Delay, A-1xx Bit Cruncher (with voltage
> > control bit number 1...12
> > and voltage controlled sample rate >20kHz... a few
> > Hz)
> > 
> > For the remaining SOU sub-modules A-149-3 (Toggling
> > S&H) and A-149-4
> > (Fluctuating Random Voltages) we are not sure if we
> > will develop these
> > modules. But it seems that the A-149-x series is
> > more successful than we
> > assumed. For the A-149-3 we think about a more
> > general approach that is not
> > limited to 2 toggling S&H only (e.g. 4 or maybe even
> > 8 S&H with CV
> > limitation to a certain number of S&H). The A-149-4
> > could be another random
> > CV that uses a noisy triangle - as Peter already
> > mentioned - as basic
> > source. The basic source is processed by two
> > indentical units. Each unit
> > contains a S&H and a vactrol low pass filter with
> > very low sub-audio
> > frequencies. The frequency of the filter and the
> > rate of the S&H are
> > controlled by the same voltage in the original
> > Buchla design. We think about
> > the possibility to control these two parameters
> > independently by 2 voltages
> > with normalized sockets so that it is possible to
> > control both parameters by
> > one voltage as well.
> > 
> > 
> > Best wishes
> > Dieter Doepfer
> > 
> > 
> 
> 
> =====
> Bakis Siros
> Parallel Worlds / Polariton
> Athens-Greece
> [Doepfer_a100] group owner
> http://www.rubber.gr
> http://www.ward12.com
> 
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