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Doepfer

Index last updated: 2026-04-29 00:15 UTC

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Re: working on Euro-format tube modules for next year

2008-07-15 by thomasborax

i don't currently use the 5v for any of my modules.  if my memory
serves correctly, there is one rail used by the full-sized 16-pin
(opposed to the 10 of 8 pin) connector that carries +5vDC as needed, yes?

so the trick would be to get +5DC onto that rail at several amperes
depending on which metasonix modules i want...yes?

so my question to eric is...how will the modules be designed to
recieve their +5v?  standard eurorack ribbon?  i think that makes the
most sense and next step after that would be how to get +5DC onto the
rail.  i'd be into DIY-ing it, but i would also need to figure out how
to get the 5v transformer to drink off the same mains that feeds the
+/-12v transformer i power my modules with.  having two main ins seems
gratuitous.

since harvestman recommends the 5v too, this may be something that
could benefit all eurorack users if there was a real easy DIY or
something.

please feel free anyone to correct my interpretation power rail
schematic. 

-tom 


--- In Doepfer_a100@yahoogroups.com, <hardware@...> wrote:
>
> > i love this!  i can't wait.  it will be fun for me to attempt to DIY
> > a power supply like this to the doepfer busboard.  you'll use the
> > same ribbon connector?
> 
> No. It's a three pin DIN connector (as shown in the picture) that has
> available GND, +5V/2500mA and -24V/50mA. You have to remove the DIN
> connector and add a suitable connector for the A-100 bus (e.g. two
6.3 mm
> flat connectors that fit to the corresponding terminals of the A-100 bus
> board). The -24V are unused. Please do not connect the -24V to the
A-100 bus
> as this will damage modules !
> 
> Best wishes
> Dieter Doepfer
>

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