Have you customized or enhanced the AC power going into your sound room? How did you do it? What were the results?

Reader Sean Stewart reports that every time he goes to Hudson's in Albuquerque and watches their lights flicker while driving their Nautilus 801s, he wonders about what audiophiles do to customize their AC supplies to improve performance.

Have you customized or enhanced the AC power going into your sound room? How did you do it? What were the results?
Yes, I've extensively modified it
22% (39 votes)
I've done minor mods
15% (27 votes)
I use off-the-shelf AC enhancers
34% (59 votes)
Haven't done anything
29% (51 votes)
Total votes: 176

COMMENTS
Jake Stewart, Toronto's picture

Just changed the outlet to a hospital-grade one. I live in a 120-year-old house, so I know that many mods could be done, but the line conditioner does enough with the new outlet.

Fernando Rodriguez, Raleigh's picture

Two standard 20A lines, each on a dedicated breaker: one line for the electronics (CD, D/A, preamp), second line for the amps.

Robert Moore's picture

I use API Power Wedge II with upgraded LAT AC-2 power cord. LAT AC-2 power cords are used for amp, transport and DAC. AudioQuest power-cord mod used for preamp. The API alone reduces background noise and improves detail. The LAT power cords provide extraordinary improvement in many areas: dynamics, bass resolution, imaging, high-frequency extension.

Paul Randall's picture

My only mod was to buy a Panamax surge protector

Thomas's picture

I have one A/V system and one pure tube audio system. I am using Tice conditioners for both. The difference is audible and visible.

CSO's picture

The best AC power mod is a dedicated line from the panel to your gear. Disclaimer: If you don't know what you're doing, get an electrician; you wouldn't do brain surgery on yourself, would you?

Anonymous's picture

I've used a few different ones, Adcom's, Monster's, but none of the expensive ones (Buying MUSIC is more important)and have heard an improvement with all that I've used...but never put amps on a conditioner...I don't know about the multi-buck ones, but I like what I hear until I've tried the amps in the enhancers!

John l.'s picture

I ran a dedicated AC line from the main. I can't say as I noticed a lot. As I have voltage-supply problems (lights dim when major appliances turn on), I probably need to do more when the $$ allows.

Jacq.Roy's picture

A direct 12 gauge shielded line from the power box to the sound system.

vernonneal's picture

I run an Adcom Ace 515 power conditioner, snf RS Ferritt Magets over the power cords, I try not to criss cross the cords, Does it help, who knows. I've got to spend my money on somethging.

JFDougherty's picture

Installed dedicated HD lines & high grade outlets

Tony R.  Harrison, Sr.'s picture

I have three dedicated AC lines to power the stereo. I also use a pair of Chang line filters to power each of my electrostatic speakers and the fabulous PS Audio P600 Power Plant to power the rest of the system.

Dave Thorne's picture

When I built my latest sound room, I added some special power cable all the way from the electrical panel. Of course, I have a separate circuit for CD and amplifiers. I also use Chang power conditioners for everything as well. Like they advertise: If the equipment was drinking water, our power would be like drinking from a sewer.

Tony Esporma's picture

I put in dedicated AC lines (homeruns, in electrician's parlance) to the stereo in the living room and the TV system in the den. It got rid of the noise lines in the TV.

Erik's picture

PS Audio P300

Tom Dedrick's picture

I have two each dedicated 20 amp circuits with spec-grade duplexes powering Monster HT1000s. Have all digital equipment plugged into one circuit, all analog equipment in other circuit.

Mannie Smith's picture

Currently I am using a Monster HTS2000 Power Center with good results. I am planning to move in the spring to a new place which will have a dedicated line to my two channel setup.

Ernesto Vergagni's picture

Very Important

I.M.  Outthere's picture

You bet yer bippy! First, I coated the ground plug with green highlighter. Then I plugged a digital clock into an adjouning outlet. The result: Faster electricity (aka quicker transients, deeper soundstage, enhanced bloom). Hahahahahahaha.

cvalle's picture

Dedicated 20 amp circuit, decent power cables, Richard Gray's Power Company.

jobedesign@earthlink.com's picture

I am using Transparent Reference Power Cables on my amplifiers and preamp. I am also using Super Power Cables on my source equipment. I am not sure if I notice much difference, but I intend to purchase a Transparent Powerlink XL. If anyone out there knows anything about these products, please e-mail me. I would love to get some advice.

Jess R.'s picture

Prepped up by using the AudioPrism NoiseSniffer on all outlets, then placing AudioPrism Quietline line filters (Mk.II) on all outlets; added the PS Audio P300 Power Plant for source components and Shunyata Research Cobra and Black Mamba power cords on all components. Result? Noise floor way down, blackness and clarity/dynamics way up. Music more intoxicating and addicting.

Charles Thompson's picture

Put in dedicated circuit for amp, plus Tice HC Solo line conditioner plus Marigo Ultra II power cord. All other gear is on Marigo "the" line conditioner. All of the above made big improvement overall.

Phil's picture

Recently had dedicated lines run: one for analog and one for digital. Disappointed that I could not really tell much difference.

stephen anderson's picture

The Tice A/V Solo did a commendable job of clearing out the high end on my system...

Raymond Plummer's picture

Installed dedicated power line from the fuse box. Seems to have helped!

Dave Brown's picture

Installed dedicated AC lines when I built my house.

Francisco J.  Ortiz's picture

The money you spend protecting your equipment is worth every penny! I lived in an apartment and was hit by a surge in the middle of the night. It was very clear that it was a back surge (not lightning). A great deal of my equipment was damaged. I called the power company and they told me to talk to my insurance company. Luckily I had apartment insurance, but I had a $500 deductible. Of course, they "adjusted" my equipment so of the $1850 (I paid) worth of stuff was adjusted to $1120, and because of the deductible, I received a check for only $620. Here is the amusing part: My old Pioneer Elite receiver, Pioneer Elite CD player, and Sony SVHS VCR were all connected to a $25 surge protector. The damn thing did not trip, filter, or protect anything!!! Now all the while my little mini JVC system and computer that was connected to my Exide Powerware UPS was fine and dandy! I now own a 60" Mitsubishi HDTV-ready, Sony ES-555 receiver, Sony 560D DVD player, Mitsubishi HDTV converter, and Sony DSS receiver. So you bet your butt that I am going to protect it all. Since I now own a home, my deductible is $1100, therefore spending up to $400 to protect it is VERY reasonable and logical!!! I plan to buy the MonsterPower HTS2500 to protect my equipment. P.S. My Exide UPS is now protecting my NAD receiver, Pioneer Elite PDF19 changer, Pioneer PDR509 recorder, and Pioneer tape deck. I bought a cheap APC UPS for the computer.

Bruce Kopitz's picture

I use six separate AC circuits, each conditioned with two iso transformers outputting balanced power. I additionally use a PS Audio Power Plant with Multiwave interfaced between the isos and the front end. I additionally condition the six stereo amps in the system with inductive and capacitative filters that I build myself.

lord_coz@uswest.net's picture

in a year or so I will be getting my electrician's degree and will do a lot in the way of AC modification, up to and including isolation transformers and whatever else I can think of . . .

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