Doepfer

--- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
<synaptic_music@y...> wrote:
> 
> hello oliver,
> the a123 is a fully resonant highpass filter and it has
> a very stable self oscillation over the whole frequency band.
> i know that some people don't like the a123, because the
> resonance poti is scaled in an uncommon way, but i personally
> love it. i'd say it is a real highpass filter, so what do you
> mean with "somehow strange"? 
> 
when i put the frequency to 0 (very low)on my a121 the signal on the 
highpass out should be more or less unaffected. this is not the case 
with my a121, the sound gets kind of dull. it is also difficult to 
boost low frequencies with high resonance settings. this is something 
i really like on other highpassfilters. 

the one thing i don't like about the a123 is that it has 24db/oct. 
for highpass filters i normally find 12db/oct more usefull.but i have 
to say i never had the chance to play with an a123. 

oliver
http://www.namshub.ch/