hello bryan,

the metalbox/cgs wave multiplier incorporates three independent
wavefolders, but only one of these is voltage-controlled.
the other two are really simple and have manual control only.
one benefit of the module is that you can easily go
from "no effect" to "full effect". it is also a benefit to
have three folders, if you want to process more than one
sound at once with only one module. a drawback is that
the module sounds more dirty/noisy with high multiplicators
and that the overall sound is not so versatile.
not to mention the higher price compared to the a137.

the a137 is more versatile in terms of sound, it offers
more parameters, more voltage-control and it sounds
less dirty. the a137 incorporates one multiplier only,
but it is the most elaborated one.

if i had to choose one, i'd probably take the a137.

best wishes

ingo



--- In Doepfer_a100@yahoogroups.com , "Bryan E Cornell" <bcor@l...>
wrote:

>
> I've been debating between the A-137 and a Metalbox Wave Folder.

Can anybody weigh in with some wildly biased opinions

>
> Bryan
>
> >>> Florian.Anwander@c... 10/24/05 3:57 AM >>>
> Hi
>
> > Dieter Dopefer has pulled a off a big winner with the A-137 Wave
> > Multiplier. One of the most unique sound modifiers to come
> > around in some time, and argueably the best waveshaper ever
> > released IMHO.
> I definitely can subscribe this. The A137 is my favourite module

from

> the first moment.
>
>
> > Tune to Saw VCO's to octaves, mix them, put them both thorugh
> > one wave multiplier.
> Don't mix the input signal. Use one VCO as carrier and the other as
> Modulator (I call it 'waveshaping cross modulation')!
>
>
>
> > Trouble in paradise: One thing I wish for is a VC level control
> > input. Many timbral variations occur based on how hard to drive
> > the clippers. You can do it with an external VCA of course
> > leading into the device, but it would have been wack had it been
> > an A-137 feature.
> This is not a trouble it is the best feature and one really

important

> note for every use of a wavemultiplier or distortion is:
> If you want to modulate the effect dynamically (Envelope,

LFO, ...), the

> it is much better to modulate the level of the input signal instead

of

> modulating the waveshaping effect.
>
>
> Example:
> Not good:
> ENV
> |
> VCO -> A137 -> VCA
>
> Better:
> ENV
> |
> VCO -> VCA -> A137
>
>
> The best (and most simple) example is feeding a TR808 style drumset

with

> bass drum and different toms through the A-137. Use only very short
> Hihats and no noise like clap or shaker.
>
>
> Florian
>
>
>
>
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