DIY advice...

[Tony Scharf]

Ok...found this one:

http://www.mouser.com/ProductDetail/Power-One/HCC15-3-AG/?qs=gCHJnwMCk7Rxw47dTcSiGw%3d%3d

Linear, +12/-12...3.4A on both.  That should hold me.

Not exactly *cheap*, and I hope it will fit in the confines of my case
(otherwise I have build a chasis for it and make it external...or
something).

Thanks,
Tony


On Sun, May 8, 2011 at 2:21 PM, James Coplin <james at ticalun.net> wrote:
> That is a *switching* supply.  You need a linear supply which will be
> considerably more expensive, larger, and better. Look for a Condor or
> Power One.   As far as amperage, more amperage more better.  Amps are not
> a push but a draw.  This means the power supply will be able to power more
> modules but you could run a single module on it no problem.  I currently
> run two 3amp supplies for my Modcan setup.
>
> James R. Coplin
>
> -----Original Message-----
> From: music-bar-bounces at lists.music-bar.org
> [mailto:music-bar-bounces at lists.music-bar.org] On Behalf Of Tony Scharf
> Sent: Sunday, May 08, 2011 1:45 PM
> To: Music-bar
> Subject: DIY advice...
>
> Ok, so I came up with a plan to fix my modular PSU woes.
>
> I am going to pull the PSU out of this case (not a bad idea, as the case
> is pretty shallow, and its hard to pick modules that fit over on half the
> case).  I am going to replace the IEC power chord plug with some kind of
> barrel connector and move to using an external power supply.  I don't have
> any modules that use 5v, so I just need to find an external PSU that has
> +12/-12 on the right kind of connector, and that should be that...
>
> The problem I am having is finding a suitable PSU and interpreting the
> specifications correctly.  The one that I found that I *think* will work
> is this one:
>
> http://www.mouser.com/ProductDetail/ETA-USA/DTE150-1212FWX-F-W/?qs=sGAEpiM
> ZZMtpkqKkT5w3us4VwJGMb%2flNhMX9q6Jveo4%3d
>
> What worries me about this particularly PSU is that the output amps are
> much higher than I need, and are order of magnitude higher than what I
> have now.  Is that dangerous?  I have been under the impression (perhaps
> incorrectly) that so long as the voltage rating is correct, the amp just
> need to be at or above whatever your trying to power (so a device that
> needs 12v/1000mA will run fine if you plug 12v/1500mA into it, but not at
> 9v, 15v or 500mA).  Is that correct?
>
> It seems modulars just pull you kicking and screaming into DIY whether you
> like it or not..
>
> Tony
>
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