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PSU's for an Acoustic Revive RR-888 (or RR-777or RR-77)?

I finally purchased an AR RR-888.  From what I have read, one way to improve the performance of the RR-888 is to upgrade the walwart PSU.  I've read that the KingRex PSU is a great match, even though it is now over $400.  I'm curios if any Acoutic Revive RR owner is using the CIA Power Supply.  If so, which CIA PSU are you using?  
Also, there are comments about ordering a Linear PSU from China, off of EBay,  If you are using one of these PSU's from China, off of EBay, which unit are you using, and what was its cost?
Lastly, what do I need to look for in a PSU, other then it needing to be 12V?
In advance, thank you for your input, and I look forward to hearing about your experiences when upgrading the PSU that comes with the AR RR-888 (777 or 77).
Louis
louisl
ozzy's avatar
ozzy
7,463 posts
 

louisi,

They do have a regular IEC plug in the back, but you will have to install a dc end for the AR unit. Give them a call for more details.

Yes, this is what I use and believe me they are very well made and there is a sound improvement with using it.

louisl OP
183 posts
 
Thanks Ozzy, I will give them a call.  Tonight I raised the RR-888 from a height of 5' to 5'9".  Nice improvement.  I feel like I'm really dialing this thing in.  Prior to the RR-888, I thought I had a pretty good soundstage.  Now, it has simply exploded.  Oh yeah!👍👍
lowrider57's avatar
lowrider57
5,417 posts
 
@louisl
O/P: DC 12V 1A
That says to me that the wall-wart takes your AC from the wall, converts it to DC, and has 1 amp DC available to power your AR RR-888. I’ve found that often when buying an aftermarket linear power supply, the numbers won’t exactly match the unit you are trying to power. That’s because the wall-wart being used is the exact voltage and amperage for each electrical device that it is driving.

As long as the aftermarket PSU has 1 amp or greater, it will have enough current. You should confirm this with the dealer of the PSU you choose to buy. And contact Acoustic Revive to confirm the power specs.

Also, do you think this is really worth pursuing? Will I really get an improvement over the stock PSU with the RR-888?
From all the user reviews I’ve read of linear PSU’s vs. stock "switching power supplies" (wall-warts), there is a noticeable lowering of the noise-floor in audio gear. It stands to reason that a quality unit will improve performance in the RR-888.

Oh, and one more thing, I have discovered many shoot-outs of PSU’s online and the cheap Chinese crap is just that when compared to the US or UK brands. And it was always for the same reason, lesser quality parts and small transformers.
The top rated were Teddy Pardo, KingRex, Paul Hynes Design, TeraDak (good bang for the buck).
rhyno's avatar
rhyno
649 posts
 
had great luck w/ this. R-core tranny & good parts. was a massive improvement vs stock (caused a physical sensation w the 888 for a few hours til i adjusted), and won in a shootout vs a couple others (not the high $ ones mentioned above, which were not included). 

http://www.ebay.com/itm/262091201331?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT


louisl OP
183 posts
 
Lowrider57,
I will check with The Lotus Group (distributors of Acoustic Revive) to confirm the power specs for the RR-888, prior to purchasing a new PSU.  Also, I will do some internet searches on these PSU shootout so.  Again, thanks for your guidance!
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