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Power Protection News

Editor’s Pick: Transparent Audio PowerIsolator Reference

The unit uses Transparent's MM noise-filtration technology to eliminate line noise, and a complex avalanche-diode/MOV surge-protection circuit to execute its line conditioning/surge protection-functions.


Over the past few months, I have written a lot about the topic of power conditioning. I've done so not only because I think that the category is a nice path to help with add-on sales, but I also believe in the benefits of some of its products. Among those products is the Transparent Audio PowerIsolator Reference (PIR).

Now, it's no big secret that I use Transparent cables in my system, and that I've been a Transparent consumer since well before I worked at CE Pro.

I have also been using the company's power products for the past few years, so when the company asked me if I wanted to try its PIR I enthusiastically said, "Yes."

Installing the unit was simple; I just unplugged my gear from my old Transparent PowerIsolator 4 (PI4) and swapped it out for the PIR, which incorporates four isolated hospital-grade outlets, a front-panel status indicator LEDs and a detachable 15-amp IEC outlet.

Transparent also ships its PowerLink Super power cord with the component to complete the package.

Internally, the unit utilizes Transparent's MM noise-filtration technology to eliminate line noise, and a complex avalanche-diode/MOV surge-protection circuit to execute its line conditioning/surge protection-functions.

Without sounding like I am kicking dirt onto the PI4, the difference in performance between the older PI4 and the new PIR was dramatic. The amounts of resolution and detail increased, my noise floor dropped and the dynamics were more extended and fuller.

I've been lucky enough to try a number of other products, including those from Furman, Richard Gray's and APC, which I found to be worth their investment.

The PIR matches these companies' products and reaffirms Transparent as a front-line player in the world of surge protection/power conditioning.

When you combine the unit's performance with its ability to rack mount, its made-in-Maine, hand-built fit-and-finish quality and Transparent's commitment to its dealers, I think the PIR is definitely a product that can help dealers bolster their sales revenues.

MSRP is $2,495.




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Article Topics

News · Product News · Power Protection and Management · Power Protection · Power Protection · All topics

About the Author

Robert Archer, Senior Editor, CE Pro
Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). In addition, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass.

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