This site could come in handy

http://www.modularplanner.co.uk/

I don't know how accurate the power calculations are, but it should give
you a decent idea of power use nonetheless.

On Mon, Jan 30, 2012 at 1:32 AM, Raul < raulpena1974@... > wrote:

> **
>
>
> This is great information. In answer to your questions.
> My system resides on its own. Both 6U cases on one tabletop rack stand. No
> other equipment resides underneath or on any of it's sides.
> Its mainly for home use. So temperature is controlled.
> It's now helping me get a clearer picture.
> Many thanks.
>
> Raul
>
>
> --- In Doepfer_a100@yahoogroups.com , "sean_process" <sean@...> wrote:
> >
> > You have to be a bit careful as the 1200 mA rating is not altogether
> accurate. It depends how hot your system is - is it on stage under lights,
> is it in a closed flightcase, is it in a studio rack with valve gear or
> Mytek converters underneath it
> >
> > Also, it's not a case of the PSU working 100% perfect until the current
> demand reaches 1200 mA and then failing. It might overheat, blow a fuse or
> just fail at 1200 mA but it will also exhibit some variable behaviour the
> closer to the maximum it gets. Whilst you won't necessarily notice any
> problem with ADSRs or LFOs, you will start to notice this especially on
> Oscillator pitch as the ear is very sensitive to fluctuations in pitch.
> >
> > The accuracy and measurement conditions of current consumption can also
> differ between manufacturers, so it's not always as easy as adding up the
> numbers. This might not matter now, but you will eventually end up buying
> other modules.
> >
> > It pays to have more than enough power.
> >
> > All the best
> > Sean
> >
> > --- In Doepfer_a100@yahoogroups.com , "Raul" <raulpena1974@> wrote:
> > >
> > > Thanks for that. Im putting together all the calculations.
> > > One thing I noticed though is all the modules i own together add up to
> 1200 mA, however this is across 12U in two G6 cases. So well within the
> range.
> > > I'm finding it hard to imagine how one could run over the rating when
> using Doepfer modules.
> > > The highest power requirement for a module in my system is the A188-2
> at 120mA. But even if someone placed 4 of those in case at 480mA that's
> well below power requirements. I hope I am calculating everything
> correctly.
> > > Perhaps this next question is too open,
> > > What are some situations where one might exceed the power
> > > So I know what to avoid.
> > > Thanks.
> > > Raul
> > >
> > >
> > > --- In Doepfer_a100@yahoogroups.com , Jakob Paulussen <jakob.paulussen@>
> wrote:
> > > >
> > > > Hi Raul,
> > > > The Doepfer A-100 manual has a chart telling you the amount of mA of
> each
> > > > module. Just add the mA amounts hooked to one power supply.
> Regardless if
> > > > you run 1 our 4 busses with one power unit. It's the amount of mA
> each of
> > > > the attached consumes.
> > > > Best wishes
> > > > Jakob
> > > > Am 29.01.2012 13:26 schrieb "Raul" <raulpena1974@>:
> > > >
> > > > > **
> > > > >
> > > > >
> > > > > Hello group. I'm a bit baffled or naive by the distribution of
> power in
> > > > > the two different cases. I'm thinking of upgrading and just
> wondered if I
> > > > > need to be more selective and calculating when adding modules
> > > > > Up until now i have had 2 G6 cases, and within them I have had
> various
> > > > > arrangement of my 90% Doepfer modules.
> > > > > I know the upper limit of my power supply PSU2 is 1200ma rating.
> > > > > Perhaps I am overthinking this but how does the larger case with
> the third
> > > > > busboard still support more modules
> > > > > I feel if I understand this a little better I may lean in one
> direction
> > > > > versus another.
> > > > > Any tips ,rules of thumb, or advice would be useful to me. Thank
> you.
> > > > >
> > > > > Raul Pena
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > >
> >
>
>
>


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