From my experience daisy-chaining of BBDs increases the (already existing) noise very much. I'd expect that a 2048 stages BBD sounds much better than two daisy-chained 1024 stage BBDs. And the price for a 2048 stage BBD is not much more than for a 1024 stage BBD (the difference is only about 10% for the 1k prices - and we have to order a minimum of 1000 BBDs from the manufacturer). So I would prefer a 2048 stage BBD and a 1024 stage BBD to two daisy-chained 1024 stage BBDs. But we will have to see if the 1024 stage BBDs are available at all.

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com
> [mailto: Doepfer_a100@yahoogroups.com ]Im Auftrag von denis goekdag
> Gesendet: Donnerstag, 20. Oktober 2005 11:58
> An: Doepfer_a100@yahoogroups.com
> Betreff: Re: 1 Re: BBD module first mp3 sound clips!!! ->
> two BBDs
>
>
> if the module had two 512 stage bbds and two clocks, with the
> possibilty to feed the output of stage 1 into stage 2 (maybe an input
> socket on stage two normalised to output 1 )and the option of sharing
> one clock between both delay lines (switchable, perhaps with an
> external gate signal), you could use it as two seperate units, a stereo
> unit, or one long delay with two taps (and optionally two different
> samplerates...:-) )
> in a way like the vactrol phaser....
>
> greetz,
> denis
>
>
> Am 20.10.2005 um 11:40 schrieb David Salter:
>
> > There's nothing to stop Dieter from having two BBD chips on the module
> > with a single LFO/VCO and a switch socket for the second BBD so you
> > can
> > modulate them separately.
> >
> > David Salter
> > Senior Project Manager
> > Reuters Ltd
> > Tel +44 20 7542 2402
> > Mob +44 7990562402
> > email david.salter@...
> > RM david.salter.reuters@...
> >
> >
> >
> > ________________________________
> >
> > From: Doepfer_a100@yahoogroups.com
> > [mailto: Doepfer_a100@yahoogroups.com ]
> > On Behalf Of selfoscillate
> > Sent: 20 October 2005 09:32
> > To: Doepfer_a100@yahoogroups.com
> > Subject: 1 Re: BBD module first mp3 sound clips!!! -> two
> > BBDs
> >
> >
> >
> > hello florian,
> >
> > i had that idea for two bbd-chips on one module
> > because i think this enables the user to obtain
> > delay, chorusing and flanging with only one module,
> > so there is no need to decide which one should buy,
> > because the module does it all.
> > different outputs are not expensive to add and probably
> > give nice stereo effects. after all a module with two
> > bbd's will be cheaper that two separate modules,
> > and it will keep dieter from offering two modules,
> > which will further lower the price.
> >
> > i can see that two modules offer even more possibilities,
> > but nothing keeps us from buying two modules anyway.
> >
> > best wishes
> >
> > ingo
> >
> >
> >
> > --- In Doepfer_a100@yahoogroups.com , Florian Anwander
> > <Florian.Anwander@c...> wrote:
> > >
> > > Hi Bakis
> > >
> > > Hmm, sorry; perhaps now I spoil ingo's suggestion, but I think it
> > would
> > > be a waste of ressource.
> > > If I have two BBDs, I want to modulate their clock from different
> > > modulation sources in 80 percent of all cases. Lets take as example
> > the
> > > famous Roland chorus, which is two BBDs whereone is modulated
> > direct by
> > > the LFO the other by the inverted LFO signal.
> > >
> > > Either I'd like to have two separate modules or at least one module
> > with
> > > two separate delaylines. There are a lot of famous BBD-based
> > devices
> > > like the Dynacord TAM-21, the A/DA or the Roland Dimension-D. At
> > the
> > > moment these examples look like the targets of a possible Doepfer
> > > BBD-module, but they should be the starting point from where a
> > > developement goes further on.
> > >
> > > Florian
> > >
> > >
> > > Bakis Sirros wrote:
> > >
> > > > hello dieter,
> > > > ingo's idea of putting two different stages BBD's into
> > > > each module is great.
> > > > as i always say, the more capabilities, sockets and
> > > > knobs in a module, the better.
> > > > best regards,
> > > > bakis.
> > >
> >
> >
> >
> >
> >
> >
> >
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