[sdiy] External power connectors

[William Berzinskas]

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

----- 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.
>
>
>
>
>
>