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View Full Version : Received the Elpac power supply today



Music Machine
2005-09-17, 16:10
It's 5v 1.5a, linear, regulated. Elpac model WM075-1950-760

First thing I did was remove the three screws to look inside (glad it wasn't glued together). Pretty basic in there. A transformer, 2 diodes, regulator, 2 caps. The connector fits the SB2.

The Elpac improves the sound top to bottom when compared to the stock supply. I'm using the analog outputs.

If you're intrested in a cheap upgrade (not ready for the "Real" mods) I'm sure you will like this supply compared to the stock one. Anyone else tried this supply?

Here's a link to a good price on this model, but it's an ebay "buy it now" that only lasts a couple days. Allied price is $38.95 so this is an extraordinary value at $8.00 + $2.00 shipping.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7545547480&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

Regards,
Music Machine

rme
2005-09-18, 06:14
I thought a 2a supply was needed instead of 1.5a. What if any issues could less amps create?

Do you have the wireless version of SB2?

Music Machine
2005-09-18, 07:07
My SB2 is the wired only version. The only thing I know about the power requirement is from the product page here: http://www.slimdevices.com/pi_specs.html

It says 1000ma minimum.

Regards,
Music Machine

rme
2005-09-18, 08:01
Anyone know if the 1.5a is enough for the wireless sb2?

ephemere
2005-09-18, 16:35
I'm receiving mine on Tuesday from electronicsurplus.com, and I have a wireless SB2, so I'll report back then.

mkosma
2005-09-19, 06:39
thanks for the info! I ordered one via the ebay auction. The seller has 4 more available apparently, via the same link.

I'm curious whether it will effect the sound on the digital out. I currently have the digital out running into my Onkyo receiver, but that is likely a temporary arrangement.

buddachile
2005-09-19, 12:10
I'm curious whether it will effect the sound on the digital out.

I would think not.

Music Machine
2005-09-19, 12:46
I would think not.

You could find out for $10. That nasty little switching supply is not your friend.

Regards,
Music Machine

ephemere
2005-09-20, 18:26
Anyone know if the 1.5a is enough for the wireless sb2?

I just received a WM075-1950-760. I put it on my wireless SB2 and started playing some music. It works. This simple test doesn't prove that it is enough under all circumstances, of course, but it's some indication.

Beware, this is one giant wall wart. Make sure you have enough room for it. I actually had to plug it into a different outlet.

sleepysurf
2005-09-23, 16:31
ephemere... just curious what your opinion is after having used the Elpac psu a while?

topster
2005-09-23, 17:33
Hi all,

Thanks for the recommendation. I should get mine in a few days.

In the meanwhile, I found the specs for the power supply.

You can see it at:
http://www.elpac.com/uploads/documents/datasheets/WM%20REV%20A.pdf

It's the WM075-1950-760.

Can anyone comment on the specs? Is that good?


Thanks!

ephemere
2005-09-27, 09:38
ephemere... just curious what your opinion is after having used the Elpac psu a while?
I'm sorry I didn't see your message sooner. I don't read this group regularly.

I have not had a chance to compare power supplies. It is my belief that for things like this only a blind listening test can tell for certain if there is a difference at all. (Single-blind is okay.) If folks want me to perform such a test then I can try to set one up at some point, but it probably won't happen for a while.