[sdiy] External power connectors

[William Berzinskas]

Both formats use only 2 pins and ground.  not sure the pinout off the top of
my head

----- Original Message ----- 
From: "Roy J. Tellason" <rtellason at blazenet.net>
To: "Synth-Diy" <synth-diy at dropmix.xs4all.nl>
Sent: Friday, December 03, 2004 4:58 PM
Subject: Re: [sdiy] External power connectors


> On Friday 03 December 2004 04:32 pm, William Berzinskas wrote:
> > 5 pin xlr are commonly used in DMX lighting..   alot of it is 3 pin, but
> > the pro stuff, like martin mac's and high end systems lights use 5 pin
>
> Is there any standard wiring with that stuff?  I think I encountered some
> 3-pin once while working with Sunn dimmer packs...
>
> > ----- Original Message -----
> > From: "Roy J. Tellason" <rtellason at blazenet.net>
> > To: "Synth-Diy" <synth-diy at dropmix.xs4all.nl>
> > Sent: Friday, December 03, 2004 3:47 PM
> > Subject: Re: [sdiy] External power connectors
> >
> > > On Friday 03 December 2004 03:38 am, Colin Hinz wrote:
> > > > >   > Major problem with using them is you have to cut a square hole
> > > > >   > for the jack.  Well, that and to be safe you'd have pins
sticking
> > > > >   > out of the back of your equipment ( female on power supply,
male
> > > > >   > on equipment, cables are all male/female )
> > >
> > > These the same one that the ARP 2600 used for keyboard?
> > >
> > > > > I think it's completely reasonable to drop the ejaculation
metaphor
> > > > > for power supply cables.
> > > > >
> > > > > (Yes, I'm being completely silly and completely serious at the
same
> > > > > time.)
> > > >
> > > > Male-male cables are OK if you practice good cable hygiene. Don't
> > > > let any live ends wriggle around where you don't want some volts,
> > > > and you'll be fine.
> > > >
> > > > And on a related note:
> > > >
> > > > I recently got a bunch of 4-pin XLR connectors (both male and
female)
> > > > at an unbeatable price.
> > >
> > > I wouldn't mind finding a deal on those,  provided I could also find
both
> > > cable and chassis mount.  :-)
> > >
> > > > Now, I'd *never* use a 3-pin XLR for power, but what about this odd
> >
> > form?
> >
> > > > I've never seen 4-pin connectors on any kind of gear. Who uses them,
> > > > and
> >
> > for
> >
> > > > what applications?
> > >
> > > The last time I used those was to connect the top and bottom halves of
a
> > > Rhodes Suitcase,  to replace whatever it was that was being used
before
> >
> > and
> >
> > > had gotten flaky.  And that was something more than 20 years ago...
> > >
> > > Hey,  you guys that are talking about +15, -15, +5, and ground,
wouldn't
> >
> > it
> >
> > > be a better idea to use a separate ground run for the +5?  I mean,
> > > that's where I'd be running LEDs and logic and such where you'd get
all
> > > sorts of nasty switching transients that you really want to keep out
of
> > > the audio
> >
> > side
> >
> > > of things...
> > >
> > > And I have seen a reference somewhere to XLR-type connectors with
_five_
> >
> > pins,
> >
> > > though I don't recall where -- and I don't even want to think about
what
> > > they'd cost.
>