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 in mono mode it's -48 dB on low and high and -24 dB bandpass
and notch.

Right now I use it after mixing, on the alt output bus of my Mackie mixer.
Its LFO clock is midi-syncable but you can also sync it quickly with a tap
tempo, and it'll tune to midi notes as well as taking CVs. I've only
scratched the surface with those kinds of uses so far, and I've yet to try
using it as a module per se, e.g. controlled by an ADSR and patched before a
VCA.

I take back what I said about its highpass mode not cutting off everything
with the Fc cranked -- in fact it does.

The filter has a great creamy quality, much superior to other multimodes
I've used, though probably less lowpass beef than I'd want for basslines and
so on. I view it more as a filter for entire mixes.

-----Original Message-----
From: Joe Buechler [mailto: buechlerjoe@... ]
Sent: Saturday, October 12, 2002 7:01 AM
To: Doepfer_a100@yahoogroups.com
Subject: 1 Re: voltage lists & WASP query


I'd be curious to hear about what the Filter Factory sounds like.
Do you patch it in to your A100

Joe

--- In Doepfer_a100@y..., unknown freak <cgraef@n...> wrote:
> 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 Filter Factory a little bit. My only highpass that
> completely cuts things off at the top of its range is my -24 dB
Doepfer
> highpass.
>
> > -----Original Message-----
> > From: thepeak [mailto:thepeak@b...]
> > Sent: Wednesday, October 09, 2002 8:15 AM
> > To: Doepfer_a100@y...
> > Subject: RE: 1 Re: voltage lists & WASP query
> >
> >
> > my professional reccomendation for you is that you twidle
> > with all your knobs and hope for the best!!!!!! Miss Lee
> > (Sound engineer extrodinare!)
> > -----Original Message-----
> > From: jmaddocks1975 1
> > Sent: Thursday, October 10, 2002 3:46 AM
> > To: Doepfer_a100@y...
> > Subject: 1 Re: voltage lists & WASP query
> >
> >
> > 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) CV1 to Multiples.
> > multiples 1 out to Voltage Invertor(a175)
> > Voltage Invertor to Wasp filter CV1
> > multiples 2 out to Dual VCA CV input.
> >
> > As you sweep the CV source knob (CV1) the hi pass will sweep up
and
> > the volume of the VCA will get quieter until silent.
> >
> >
> > John.
> >
> >
> >
> >
> >
> >
> > --- In Doepfer_a100@y..., "Evan Lorden" <funkfumes@h...> wrote:
> > > 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
> > > I can cut the sound out completely using the high pass filter.
> > > I hope that's a clear request.
> > > When I use the low pass setting, I can cut the sound out so
that
> > nothing
> > > gets through, but when I use the high pass setting (or the
band
> > pass, for
> > > that matter) the freq control knob ceases to have effect for
the
> > top quarter
> > > turn, and there is quite a lot of the frequency range left
> > unfiltered. ie.
> > > All the top range is unfilterable.
> > >
> > > I unscrewed the unit from the frame and twiddled the two trim
pots
> > on the
> > > circuit, which seem to be designed for the purpose of
calibrating
> > the cutoff
> > > in some way, but neither bring the high end cutoff range up.
> > >
> > > Do other people's WASP filters work the same way
> > > I find it quite unsatisfactory, in a way.
> > >
> > > It seems to me it may simply be a fault of the circuit,
though,
> > rather than
> > > poor calibration. If so, can anybody tell me if there is a
> > component or two
> > > that I can replace to extend the range
> > >
> > > Thanks!
> > > Evan On Earth,
> > > Melbourne, Australia.
> > >
> > >
> > > ------
> > > Message: 2
> > > Date: Mon, 23 Sep 2002 20:46:09 -0000
> > > From: "Joe Buechler" <buechlerjoe@t...>
> > > Subject: Re: voltage range of all the a100 CV cources
> > >
> > > According to my cheapo voltmeter (which has an analog dial
hehe):
> > >
> > > A165: 0 to 9V
> > > A160: 0 to 10V
> > > A147 -4.5 to +4.5V
> > > A155 Gate: 0 to 10V
> > > A155 CV top: 0 to 4V
> > > A155 CV bottom: 0 to 7V
> > > A190 Gate: 0 to 9V
> > > A191 LFO: -5 to +5V
> > > A191 CV: 0 to 5V
> > > A141: 0 to 6V
> > > A162: 0 to 10V
> > > A140: 0 to 7V
> > > A119 Gate: 0 to 8V
> > > A119 Env: 0 to 8.5V
> > > A176: 0 to 5.5V
> > > A145: -5 to +5V
> > >
> > > I seem to recall Timothy did a more comprehensive list
> > earlier when
> > > the A150 bleed-thru issue was being discussed.
> > >
> > > Joe (not a wizard)
> > > A110 sine, pulse +/- 5.5V(there's no coupling capacitor, so
stays
> > > this no matter what pulse width set to), tri +/- 7V, saw +/-5V
> > > A111 pulse +/- 4.5V (output is AC coupled, so this shifts to
make
> > DC
> > > level zero, depending on pulse width), saw, tri +/- 3V, sine
+/-
> > 4.5V
> > > A117 digital noise 0 E12V, oscillator outputs (very)
> > approx +/- 5V
> > > A119 gate out 0 E9V
> > > A129/3 CV out (nothing in) 0 E5.5V (daisy-chaining two
sections
> > can
> > > add the same to this, to get up to 11V out)
> > > A140 envelope 0 E7V
> > > A141 envelope 0 E6V
> > > A145 saw, sine, square +/- 4.5V, triangle +/- 5V
> > > A146 bipolar pulse +/- 4.5V, unipolar pulse 0 E8V, variable
tri
> > +/-
> > > 4V
> > > A147 tri +/- 6V, sine +/- 5.5V, square +/- 5V, saw (unipolar)
0 E
> > 7V
> > > A156 trigger out 0 E5V
> > > A160/161 clock outputs 0 E12V
> > > A163 divided output +/- 2.5V; (DC output if capacitor shorted
0 E
> > 5V)
> > > A174: X/Y offset set to 0, full range of joystick gives
> > approx -4V
> > > to +4V; joystick central, turning X or Y offset gives approx
the
> > > same, -4V to 4V (hence you can get 0 E8V out etc.)
> > > A179 gate 0 E9V, CV out swings through 12V, so -12V E0
> > to 0 E12V
> > > possible depending on offset setting
> > > A190 gate 0 E9V
> > >
> > > Some of these readings are quite rough and ready, and there
may
> > > obviously be some variation from module to module; also some
> > VCO/LFO
> > > outputs change with frequency.
> > >
> > > Maybe other members can supply ranges for those modules I
don't
> > have,
> > > e.g. A176 etc.
> > >
> > >
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