Suggestions for a conditioner/surge protector?

If you can't do dedicated lines, then get a power regenerator (not a conditioner/filter -- they ruin sonics and represent "old technology" IMO) Consider an Exactpower EP-15A (my favorite ;--)

If you COULD do dedicated circuits and your power company provided relatively stable power, you wouldn't need a power "conditioner" either -- maybe just an isolation transformer.

Power conditioners IMO are high profit items whose charms have long ago faded, and any "surge" protection they offer is false security. If thunderstorms are iminent, UNPLUG YOUR SYSTEM!!
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I should have stated that my budget is around < $500. The monster power hts 400 would work, but I don't know if it would be good enough.

In response to the power conditioner issue, I built from a kit a unit from Bruce at Transcendent Sound. The unit retails about $400. I have very dirty power and run an entire stereo system throught it without any difficulty. If I could build the kit anyone can however, the completed unit is available. I wholeheartedly second the pulling of the plugs in the event of a thunderstorm warning. Steve Levick

Take a look at the Monster product line

http://www.monstercables.com/power/

and the new H series of AVB power conditioners from APC, the leader in the computer space.

http://www.apc.com/products/family/index.cfm?id=307

Both companies have offerings that properly sized, will absolutely make a very visible difference in your image quality.

Hopefully you will be using two different circuits both on the same phase leg. If you are going to plug both conditioners into one wall outlet - for reasons of budget or logistics - I would just get one bigger unit to plug everything into.

All things being equal, the sub should go with the rest of the audio to minimize the chance of a ground loop problem.

Nsgarch,

Based on my experience with my system, I don't entirely agree with you. You say "If you COULD do dedicated circuits and your power company provided relatively stable power, you wouldn't need a power conditioner."

I have two dedicated 20amp circuits terminated with Hubbell 8300IGI grounded hospital grade recepticals. One circuit services my front end gear and the other circuit is dedicated for my amp(s). Dedicated circuits offer a very nice improvement and mine are very stable at 117V.

I was running my front end gear through a custom tweaked 1.7Kva Topaz Ultra Isolation Transformer with only a very slight improvement in sonics. I ran this configuration for the last year, so I've become familiar with the overall sound.

Two weeks ago, I swapped out the Topaz Ultra Isolation Transformer for a custom tweaked Audio Magic Stealth Matrix power conditioner. I am completely blown away!

The most noteable improvements are a remarkable enhancement of space and air along with noise reduction. Imaging is more precise, focused and dimensional. Bass has greater slam and more articulated. The mids have greater clarity, detail and texture. The highs are cleaner and clearer with greater sparkle and air.

Adding the Audio Magic power conditioner to my system has been nothing short of intoxicating. My system sounded good before the Audio Magic but CLEARLY sounds much better with the Audio Magic.

This is just based on my experience with my system.