[sdiy] synth power supply

[Derek Holzer]

Hi Charlie,


really? OK, that's a change because even last year they would not sell 
it separate AFAIK. This is probably the best solution.

best,
d.

charles kerr wrote:
> Hi Derek,
> I think you'll find you can get the Doepfer supply on it's own.
>  From their web catalogue:
>  
> A-100PSU2 A-100 Netzteil 1200mA mit Ringkern-Transformator / A-100 power 
> supply 1200mA with toroid transformer
>  
> It is 90 Euros and it is great! It is really easy to connect up to the 
> mains, all the info is on their site. They do have a lot of warning 
> messages but all you need to do is get a fuse-holding connector and 
> solder it up!
>  
> Charlie
> 
> 
> */Derek Holzer <derek at umatic.nl>/* wrote:
> 
>     Hi Tony,
> 
>     well, I am traveling/gigging like crazy with it! So the Power One is
>     out
>     for space and weight reasons I guess.
> 
>     The thing is that Doepfer won't sell you just the toroidal to put in
>     your own case for safety reasons. So you have to buy their case as
>     well... I thought I could make a case + PS for half the EUR 350
>     price of
>     the Doepfer "suitcase", but maybe not unless I build my own PS from
>     scratch.
> 
>     best,
>     d.
> 
>     Anthony Rolando wrote:
>      > I spent some time trying to use a Meanwell switching power supply
>     with
>      > CGS and other diy modules. I was excited about the size and
>     weight of
>      > the switching supply./ /What waste of time. I thought that I had
>     made
>      > mistakes in the contruction of the modules. As soon as I hooked
>     them to
>      > my linear supply, all was good. EMI all over the place.
>      >
>      > I know they are expensive, but the new doepfer torrodial transformer
>      > based supply is awesome. I have a spring reverb mounted in a doepfer
>      > suitcase (using the new PS) and the reverb is pretty quiet. The
>      > torrodial is lighter and smaller then most other transformers. If
>     space/
>      > weight is a concern, I would def. go with one of these.
>      >
>      > If you are not travelling/ gigging with your system, a used Power
>     One
>      > supply is an awesome option. I purchased a 2A power one supply on
>     ebay
>      > ($20). I re-capped it and it is very solid for a year now.
>      >
>      > Tony
>      >
>      > > Date: Thu, 22 Nov 2007 13:17:19 +0100
>      > > From: derek at umatic.nl
>      > > To: synth-diy at dropmix.xs4all.nl
>      > > Subject: [sdiy] synth power supply
>      > >
>      > > New thread for a slightly different question, related to how
>     much EMI
>      > > can a power supply give.
>      > >
>      > > I'd like to build a new Doepfer case for less than the EUR 350 they
>      > > charge for a new one. And the DIY power supply kit they provide
>     uses a
>      > > 15VAC 2.5A external wall wart which then gets rectified and
>     regulated by
>      > > their DIY PS unit in the case, which I would like to avoid unless
>      > > necessary. I'd rather not mess with 220V myself, so I was
>     looking at the
>      > > following power supply:
>      > >
>      > > http://tinyurl.com/2n3vmk
>      > >
>      > > (Sorry, German only...)
>      > >
>      > > Mouser:
>      > >
>      > > http://www.mouser.com/search/refine.aspx?Ntt=552-PSA-60-301
>      > >
>      > > But I have no idea how much EMI this might introduce into a
>     small flight
>      > > case with modules mounted next to the PS. Doepfer use a very
>     large ring
>      > > transformer which they say is quite clean. How would a PS like this
>      > > stack up against theirs?
>      > >
>      > > What other options would people recommend, keeping in mind that
>     I don't
>      > > feel "qualified" to wire 220V?
>      > >
>      > > best,
>      > > Derek
>      > >
>      > > --
>      > > derek holzer ::: http://www.umatic.nl :::
>      > http://blog.myspace.com/macumbista
>      > > ---Oblique Strategy # 84:
>      > > "How would you have done it?"
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>      >
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>     -- 
>     derek holzer ::: http://www.umatic.nl :::
>     http://blog.myspace.com/macumbista
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-- 
derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
---Oblique Strategy # 202:
"Back up a few steps.
What else could you have done?"