Doepfer

yes, but it should be the version described in the red font
on top of the page, a dual 30db version which can be
coupled to work as a 60db filter. i don't know if steeper
filters push the price further up. if not, that even a
dual 60db filter would make sense imo.


--- In Doepfer_a100@yahoogroups.com, Bakis Sirros <synth_freak_2000@...> wrote:
>
> the filter we need for our A-188 BBD modules is here (ok, in 30db or 60 db slopes):
> 
> http://www.doepfer.de/A100_SCF.htm
> 
> now lets see if Dieter will finalize it and bring it into production...
> 
> 
> 
> Bakis Sirros - Parallel Worlds / Interconnected / Memory Geist
> 
> [Doepfer_a100] group owner
> 
> www. parallel - worlds - music. com
> 
> www. myspace. com/ parallelworldsmusic
> 
> www. myspace. com/ interconnectedmusic
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> www. myspace. com/ memorygeist
> 
> www. DiN. org. uk
> 
> www. musicamaximamagnetica. com
> 
> www. vu-us. com
> 
> --- On Thu, 12/16/10, Joachim <sonicwarrior@...> wrote:
> 
> From: Joachim <sonicwarrior@...>
> Subject: Re: [Doepfer_a100] Re: Module requests: Simple 48 db filter and simple Hipass
> To: Doepfer_a100@yahoogroups.com
> Date: Thursday, December 16, 2010, 9:47 PM
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>       Hi Ingo,
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> 
> 
> a CV input sounds comprehensible to me. I just thought to omit it to
> 
> keep it simple and cheap but if it is needed it is needed.
> 
> Price is not everything. ;)
> 
> 
> 
> The 48 db filter is more important to me than the simple highpass.
> 
> 
> 
> Cheers
> 
> Joachim
> 
> 
> 
> Am 15.12.2010 22:25, schrieb selfoscillate:
> 
> >
> 
> > hello joachim,
> 
> >
> 
> >
> 
> >> I would like to share two module suggestion that came to my mind
> 
> >> while patching:
> 
> >>
> 
> >> 1. A simple and cheap dual 48 db filter to use with the BBD modules.
> 
> >> Only 2 jacks (in/out) and 1 potentiometer (frequency) per filter.
> 
> >
> 
> > in principle a good idea, but i'm not sure if it would be
> 
> > really satisfying for using it with a bbd, at least for me.
> 
> > without a cv input the filter cannot follow the clock of the bbd,
> 
> > which means that you need to close the filter more than necessary,
> 
> > when the delay time is modulated. the a188 has a cv output for
> 
> > controlling a vcf, so you can dial in just as much filtering as
> 
> > necessary, which is a great feature imho. this is of course not
> 
> > valid if the delay time is not modulated, but isn't that a big
> 
> > part of the fun on bbd delays? often i also add a slight portion
> 
> > of resonance on the vcf to emphasize the higher frequencies,
> 
> > which reduces the dulling effect even more. i always use
> 
> > the a108 for that, but somehow it is a bit of an overkill,
> 
> > especially when you want to filter before and after the bbd
> 
> > and therefore need two of them. so to make it cheaper without
> 
> > omiting the useful things, i would prefer a very steep
> 
> > dual vcf with reduced functions. only one cv input per channel
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> > instead of 3, no resonance insert, no attenuators for the
> 
> > audio input and a more neutral sounding and simpler filter
> 
> > circuit (no need for selected transistor ladder stuff here).
> 
> > it should have 48db steepness, or even 60db if possible.
> 
> > i want such a module since the a188 is available and i would
> 
> > buy it instantly. there was a switched capacitor dual filter in
> 
> > the planning stage some years ago, for exactly this purpose,
> 
> > but i believe that technical issues delayed the development
> 
> > and i don't know if this project is still alive.
> 
> >
> 
> >> 2. A simple and cheap (maybe passive) Hipass filter (80 Hz), maybe also
> 
> >> dual:
> 
> >> 2 jacks (in/out) + bypass switch.
> 
> >> Useful for modules which generate too much low end signals.
> 
> >> If it would be active and dual, one 80 Hz and one 40 Hz filter would
> 
> >> make sense in my eyes. The latter could then be used for basses and
> 
> >> bassdrums and cut those frequencies that almost no loudspeaker can
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> >> handle and thus increase the headroom and help reduce some nasty
> 
> >> unwanted distortion effects.
> 
> >
> 
> > a passive dual highpass filter is not a bad idea,
> 
> > i just don't know how many people would buy it,
> 
> > as it is a very simple circuit.
> 
> > maybe you should start a poll?
> 
> >
> 
> > best wishes
> 
> >
> 
> > ingo
> 
> >
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> >
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> > ------------------------------------
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> > Yahoo! Groups Links
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