[mythtv-users] HD-PVR Power Adapters

[Hika van den Hoven]

Hoi Jan,

Friday, September 25, 2015, 12:58:58 PM, you wrote:

> On 25/09/15 03:58, Scot Kreienkamp wrote:
>> I need to order a new power supply for mine... anyone know of a source
>> for a good quality replacement?  I tried one off ebay and it lasted for
>> 2 months. 

> I haven't got any HD-PVRs, but I just wanted to take the opportunity to
> share my approach to power supplies in my equipment closets.

> I've decided to move away from the poor-quality wallwarts that come with
> many of the boxes that I use (such as switches, STBs, tuners, DSL modem,
> broadband router etc) and instead to supply them all from a good-quality
> beefy single power supply.

> The kind of power supply I'm using is normally used for applications
> such as CCTV. Most of my machinery needs 12VDC so I've selected the
> power supply based on that. One or two pieces of kit need lower voltages
> and I'm catering for those using battery eliminators.

> I've made sure to use good-quality wiring and I've also included a fuse
> in every individual supply cord I've soldered to the PS's output (using
> an automotive fusebox with blade fuses).

> The result is more headroom in the power supply that is shared across
> all devices, better airflow (because the power supply sits inside a
> perforated cage rather than being a bunch of potted wallwarts) and, I
> believe, marginally better efficiency as measured by my UPS (I don't
> have a wattmeter with which to make a more accurate assessment).

> HTH, Jan
> _______________________________________________

I've something similar with two old scsi HD cases supplying 5V and 12V
and my Homerun hooked up to the backend powersupply which is more then
strong enough and doesn't need to power a videocard.


Tot mails,
  Hika                            mailto:hikavdh at gmail.com

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