Doepfer

Kevin,

>Alesis Ion and will be using it as both the MIDI controller and
>initially as the VCOs. This will give me two independent sets of 3
>oscillators each with hard/soft sync, fm, ring, morphing wave shape,
>and all of the mod sources on the Ion.

er, perhaps I am being thick here but how will you get the oscillators out?  
Hasn't the Ion only got two stereo outs?  At most, then, with hard panning 
you could get four oscillators.  Or am I missing something?

>My first purchase will be:
>A-131 Exp VCA
>A-140 ADSR EG X 2
>A-190 MIDI-CV
>A-114 Ring Mod
>A-118 Noise
>VCF X 2

You will need a few A119s as well then.  AFAIK, line level signals are too 
weak to go directly into any of the doepfer modules.  OTOH, the MOTM modules 
you were speaking about do have a separate line level ins.

Also, note that using the A190 you will only get one controller CV out of 
the Ion to use on the modules.  The mcv4 (or the mcv24 if you want to plan 
for the future) might be more useful and it will free up room for more 
modules :)

>If so I would only have to get
>one of those for patches requiring an OB LP and HP.

Doesn't the Ion supposedly have an ob filter model? :)

>Plus, I'm a Prophet 5 "fanatic" so the A-105
>almost has to be one of my first two choices :-0

AFAIK, the only overlap between doepfer filters and the pro5s is the A122 
because the Rev 3.3 used the CEM3320 (as did the synthex, the OB8, OBXa, 
OBSX, PPG Wave, prophet 10 and pro one).  Actually, with the CEM3340 in the 
A111 you can do a pretty good job of replicating the pro one with doepfer 
modules.

>I like Doepfer's choice not to do much of what other
>modular makers have done. If I really want an MS-20 I can get a pair
>from MOTM as well as a CS80.

There is another option: Australian company frostwave make an apparently 
excellent clone of the ms20 filter.  It's in pedal format, but unlike the 
MOTM filter it offers both the lpf and hpf at the same time.  Plus it has cv 
ins as well (although not attenuators).  It's highly thought of, and I am 
thinking about buying one.  Check it out at:  
http://www.analogeffects.com/theresonator/index.html

As for your questions about filters: at present I only have the A124 which I 
like very much.  It has a very raw sound.  I am planning on buying the 107, 
108 and 122 as soon as the 107 is available.

Rgds

Pierre Zeeman

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--- In Doepfer_a100@yahoogroups.com, "Pierre Zeeman" 
<pierrezee@h...> wrote:

> er, perhaps I am being thick here but how will you get the 
oscillators out?  
> Hasn't the Ion only got two stereo outs?  At most, then, with hard 
panning 
> you could get four oscillators.  Or am I missing something?

The Ion actually has four outs. It is four part multi-timbral so you 
can send each of the 4 parts to it's own out. For each part you can 
send just the of 1, 2, or all 3 oscillators. The mix amount is also 
a modulation destination.

> You will need a few A119s as well then.  AFAIK, line level signals 
are too 
> weak to go directly into any of the doepfer modules.  OTOH, the 

You're right. I will need at least one A-119 to get started.

> Also, note that using the A190 you will only get one controller CV 
out of 
> the Ion to use on the modules.  The mcv4 (or the mcv24 if you want 
to plan 
> for the future) might be more useful and it will free up room for 
more 
> modules :)

Thanks for pointing that out. I will probably start with the mcv4.


> Doesn't the Ion supposedly have an ob filter model? :)

The Ion OB filters are SEM copycats, not Matrix 12 which I thought 
the Doepfer is modeled after.

> AFAIK, the only overlap between doepfer filters and the pro5s is 
the A122 
> because the Rev 3.3 used the CEM3320 (as did the synthex, the OB8, 

Some others have also pointed that out. For a Pro5 type filter I 
will be looking for something with the earlier 2040 chip.