Doepfer

Is the A133 really capable of both amplitude and ring modulation? 
There's no info referring to this on the Doepfer HP. Anyhow, Ingo, 
if you don't mind I'd like to hear some examples of amp/ring 
modulation with the A133. Regards, Ingo


--- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
<synaptic_music@y...> wrote:
>
> 
> hello,
> 
> i tried the a133 too, but i haven't recorded it, because i
> wanted to compare only dedicated ring modulators.
> you are right, the a133 can also be used to generate
> ring modulator effects. damn, i should have recorded
> that module too.
> 
> best wishes
> 
> ingo
> 
>  
> 
> --- In Doepfer_a100@yahoogroups.com, "okiikahuna" 
<okiikahuna@y...> 
> wrote:
> >
> > --- In Doepfer_a100@yahoogroups.com, "ilanode" <techmeier@w...> 
> wrote:
> > 
> > I think you guys might have missed Doepfer's "other" ring 
modulator 
> > in your otherwise exhaustive comparison.  The A-133 Polarizer is 
> just 
> > a 4 quadrant multiplier and seems to make a fine balanced 
> modulator.  
> > Just adjust the carrier for the least amount of leakage with no 
cv 
> > applied, then put the modulator signal into the CV jack. You can 
> vary 
> > it continuously between balanced modulation and ampitude 
modulation 
> > by turning the knob or applying an offset.  To me, the sound 
seems 
> > most similar to the unmodded A-114, which raises lots of 
> interesting 
> > questions about the effect of DC v. AC coupling, since the A-133 
is 
> > clearly DC.
> > 
> > Although it has been a few years since I have played with one, I 
> have 
> > very fond memories of the sound of the Buchla 100 series ring 
> > modulator.  Does anybody know what was in this circuit?  Was 
there 
> > anything special about it?
> > 
> > K
> > 
> > > --- In Doepfer_a100@yahoogroups.com, denis goekdag <q-
art@g...> 
> > > wrote:
> > > >
> > > > it's really easy to assemble one or two cgs ringmods from 
the 
> > > assembled 
> > > > boards you can buy, just take an 8 hp blindplate, drill 6 
8.2mm 
> > > holes 
> > > > for the s6 sockets, hot-glue the two cgs boards to the plate 
> (the 
> > > > transformer's "casing" allow this quite smoothly), wire the 
> > > sockets, 
> > > > done. 
> > > Yes, probably the most simple DIY project around. The most 
> > > complicated part is to get in touch with Ken of CGS at least 
he 
> has 
> > > never replied to my mails. > :( Ingo
> > > 
> > > > Am 15.11.2005 um 18:09 schrieb Zoran Bosnjak:
> > > > 
> > > > 
> > > > > Ingo,
> > > > >
> > > > > thank you so much for the example! I like the CGS ring 
module 
> > > the 
> > > > > most. What
> > > > > a pity it is not offered assembled. I still have to get 
the 
> > > soldering 
> > > > > lesson
> > > > > #1 before trying to figure it out myself... (Does anybody 
> offer 
> > > basic
> > > > > electronics course in Montreal?)
> > > > >
> > > > > Regards,
> > > > >
> > > > > Zoran
> > > > >
> > > > >
> > > > >> From: "selfoscillate" <synaptic_music@y...>
> > > > >> Reply-To: Doepfer_a100@yahoogroups.com
> > > > >> To: Doepfer_a100@yahoogroups.com
> > > > >> Subject: [Doepfer_a100] Re: comparing ring modulators
> > > > >> Date: Tue, 15 Nov 2005 10:38:39 -0000
> > > > >>
> > > > >> --- In Doepfer_a100@yahoogroups.com, "ilanode" 
> > <techmeier@w...> 
> > > wrote:
> > > > >>>
> > > > >>> --- In Doepfer_a100@yahoogroups.com, "selfoscillate"
> > > > >>> <synaptic_music@y...> wrote:
> > > > >>>>
> > > > >>>>
> > > > >>>> hello antonio,
> > > > >>>>
> > > > >>>> the missing lows in #5 are probably because the
> > > > >>>> cgs real ring is a passive device, the output
> > > > >>>> loudness is weak on this module.
> > > > >>>
> > > > >>> Just want to add that the RRM is known to load the VCOs 
and 
> > > thus
> > > > >>> affecting their performance. The results would be 
different 
> > if 
> > > the
> > > > >>> inputs of the RRM were buffered. One could add an Op Amp 
to 
> > > each
> > > > >>> input or (if I'm not mistaken) 2 Analogue Solutions' 
MX224
> > > > >>> Mixer/Buffer Modules. Obviously the latter is not very 
> > > economical.
> > > > >>> Regards, Ingo
> > > > >>
> > > > >>
> > > > >> i usually use those mx224 buffers in front of the cgs 
real 
> > ring,
> > > > >> but i didn't in my example, because i wanted to show the
> > > > >> significant differences of the loudness.
> > > > >> anyway, if you use those buffers, the output level of
> > > > >> the cgs real ring is still much lower than on the other
> > > > >> ring modulators.
> > > > >>
> > > > >> best wishes
> > > > >>
> > > > >> ingo
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Yahoo! Groups Links
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