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Message

Re: AS Powe Supply Setup

2003-09-21 by shm1400

Thanks for the information.  It will all be useful as I expand. 

--- In analogue_systems@yahoogroups.com, Peter Grenader <peter@b...> 
wrote:
> All together I'm running four supplies.  I made a chassis which 
holds two
> Condors, one set for 12 volt, one for 15, which powers most of the 
modules
> in the large cabinet.  Each supply is good for about 1.5 amps.
> 
> The right side of the top wing, which I call the expansion unit, 
from the A
> RS-60 on is powered by a separate Power One, an old Serge power 
supply
> actually.  I did this because the RS290 was pulling way to much 
current and
> making some awfully odd things happen - massive distortion in the 
delay,
> unstable sequencer outputs, etc.  In short, the two Condors were 
starting to
> crap out.
> 
> The forth supply, a Doepfer, is housed in its own little chassis 
box which
> also holds my RS300 by itself.  I made my own 5 volt regulator 
boardlette
> which worked out great.  I use a standard A Sys dual power cable 
(daisy
> chains two connections).  This cable comes off the main supply 
where it gets
> +/- 12 and ground and slaps them in the right palces onthe DIP 
cable.  It
> first socket on that cable goes into my little card into an 16 pin 
IC
> socket, and that card takes the +12 and regulates it to +5 and 
places THAT
> in the proper locations for the A Sys power buss.  The last DIP 
connector on
> the cable then plugs into the RS300 where it's now getting +/-12, 
+5 and
> ground.
> 
> The RS300 pulls between 190 and about 350 mA, the Doepfer supply 
is good for
> about 500, I'm covered, it works great.
> 
> A word about the large system - it's not as huge as it looks.  It 
only 28
> inches wide by about 25 tall.  It just looks huge because of the 
lens on the
> digital camera.  There is a lot sutffed in there, however as a lot 
of the
> faceplates I had made so I could easily adapt Blacet, MOTM, 
Oakley, Doepfer.
> Buchla, Wiard, Analogue Solutions, Analogue Systems and a ton of 
homebrew
> gear into the same format or three RU high.  If you notice, the 
Blacet
> module faceplate are a lot less wide as his stock ones.
> 
> The are a lot of changes in the system since the last photos were 
taken. the
> expansion module now holds the RS290 and 295, and the two blank 
panels and
> Doepfer A-192 are gone. The top row of the main cabinet is a lot 
different.
> My programmable pulser has been pulled, the Moog Filter is gone 
(the PCBA
> didn't fit in the cabinet ever and was never installed) , the 
outputs for
> the MAQ 16/3 are gone, I have a new processor I designed in there, 
an
> expanded boolean fucntion generator and an RS210 in which I've 
added
> separate non attenuated outs for each filter.
> 
> And there are more planned as I am making room a Doepfer Source of
> Uncertainty as it is released and I'm replacing the Blacet Final 
FIlter with
> a Buchla Bandpass clone I've slapped together from Mark Verbos' 
art.
> 
> The A. Solution unity gain mixer may have to go forever to make 
room for
> this stuff.  Although I hate doing this as mixers are always 
handy,  I
> hardly ever use it.
> 
> Sorry for such a long posting.
> 
> best,
> 
> Peter
> 
> 
> 
> 
> 
> 
> shm1400 wrote:
> 
> > Thanks, Peter.  That looks like exactly what I need.
> > 
> > I have several slightly modified Doepfer portable cases, and in 
one
> > of them I have four RS-95s, which Bob Williams says draw 60ma 
each.
> > So, I haven't been able to arrange modules the way I want due to
> > current considerations.  The HAA15-0.8-A+ at .8 amps or the CP-
131-
> > A+ at 1.1 amp looks like it should solve this problem.
> > 
> > Which power supply are you using in your giant system?  I'm 
guessing
> > you must be running about 4 or 5 amps on that puppy. What are the
> > dimensions of your power supply?
> > 
> > --- In analogue_systems@yahoogroups.com, Peter Grenader 
<peter@b...>
> > wrote:
> >> Condors - they're available through Mouser.com and quite
> > excellent.  The
> >> shunt protection is so good you practically don't need a fuse 
(but
> > use one
> >> anyway!!!).
> >> 
> >> But - i'm not quite sure what Bob meant by this because outside 
of
> > the
> >> transformer type, the Doepfer and A Sys PSUs are very similar.
> > The D uses
> >> fixed regulators, the A Sys uses variable for the +/-12.  That's
> > about it.
> >> 
> >> I've used Doepfer PSUs to power booth at the same time without 
any
> > problems.
> >> I am actually currently using a Doe supply, with a self made 5 
volt
> >> regulator, to power my RS300 right now.
> >> 
> >> In any event, for the same $$ as a Doepfer, you can purchase a
> > Condor - and
> >> those supplies are the real deal.  This is what I'm using for my
> > main system
> >> and I couldn't be more pleased.  highly recommended.
> >> 
> >> hope this helps,
> >> 
> >> Peter
> >> 
> >> 
> >> 
> >> 
> >> shm1400 wrote:
> >> 
> >>> Since you are discussing power supplies, and Bob Williams has
> > just
> >>> warned us again about those wimpy Doepfer power supplies, can
> >>> anybody recomend a good power supply for a system combining AS
> > and
> >>> Doepfer modules?  (AS won't sell power supplies separately)  
Any
> >>> help would be appreciated.
> >>> 
> >>> 
> >>> --- In analogue_systems@yahoogroups.com, "terrymcfrench"
> >>> <terrymcfrench@y...> wrote:
> >>>> Hi,
> >>>> 
> >>>> Does anyone have the pin setup for AS modules?  I have an
> > american
> >>>> PSU (4 pin) but I'd like to get some AS modules.  Doepfer has
> >>> their 
> >>>> pin setup on their website so you can figure out what you'd 
need
> >>> for 
> >>>> the conversion, but so far I haven't been able to find that 
info
> >>> on 
> >>>> the Analog Systems site.
> >>>> I'd appreciate any help.
> >>>> Thanks
> >>> 
> >>> 
> >>> 
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> >>> analogue_systems-unsubscribe@yahoogroups.com
> >>> 
> >>> 
> >>> 
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> >>> 
> >>> 
> > 
> > 
> > 
> > To unsubscribe from this group, send an email to:
> > analogue_systems-unsubscribe@yahoogroups.com
> > 
> > 
> > 
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http://docs.yahoo.com/info/terms/
> > 
> >

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