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RE: best power conditioner for dirty AC

198.54.202.234

In Reply to: RE: best power conditioner for dirty AC posted by aviel@synergystudios.org on October 27, 2007 at 13:54:28

If you're looking for a device that will clean up a modified square-wave and output a clean and pure sine-wave, then you're probably going to battle to find any passive line conditioner that really works.

Passive line conditioners exist purely to remove interference (EMI and RFI) from an otherwise reasonably clean sine wave supply and won't do anything significant to the frequency and waveform (or supply voltage) of the incoming mains supply.

What you really require is a "power regenerator" that first rectifies the "dirty AC supply" to provide a DC intermediate and then inverts this DC to produce a clean sinewave AC at a regulated frequency and voltage.

I take your point on the size and weight issues that you face, but if you really need to clean up the mains for studio recording for example, then its "regeneration time"!

So, if your requirement includes cleaning up the sound for recording purposes, I would strongly recommend that you check out the following power regenerator options:

a) ExactPower EP15A
b) PS Audio Power Plant Premier
c) PurePower Audio Power Supply

These three units seem to be priced around the "just under $2k" mark, while others (at $4k+) are probably overkill in terms of budget.

Good luck...

DevillEars

Follow Ups:

RE: best power conditioner for dirty AC - aviel@synergystudios.org 18:11:50 10/31/07 (0)
I appreciate the input of all who have responded to my post. With your guidance and after considerable research, I have ordered a pair of Exeltech XP-1100 pure sine wave 1100 watt inverters. I will connect them to the Xantrex batteries with the jumper cables that come with the batteries. The battery has special jacks into which the cables can be plugged. At the inverter end, I will replace the jumper jaws with Metra Gold Series heavy duty ring terminals that will fit over the 5/16" studs. After I receive the components and wire them up, I will post again to report the results. Thanx!
Only if no digital switching inversion is involved. (nt) - cheap-Jack 12:55:46 10/29/07 (2)
.
- Oh, I don't know about that - Ted Smith 14:28:07 10/29/07 (1)
  Howdy
  
  To get high efficiency you need switching inversion. If you can't get to high efficiency you can't support high current draw amps on a standard circuit.
  
  If the output is a low distortion sine wave even under load (not some wacko three or even 21 level monstrosity) what do you care about how the system produced it?
  
  Not that this is exactly what you are talking about but FWIW there are a lot of people who think that switching supplies are evil, but some of the best audio equipment I've heard has switching supplies: the Linn CD12 and the EMM Labs equipment: DAC6e, CDSD transport, SwitchMan preamp.
  
  I have a PurePower APS 1050 online, sine wave output audiophile UPS that sounds pretty good in my system (well after I replaced the 14 gauge wire in the outputs :)
  
  -Ted
  - Sorry, no digital switching for my music. - cheap-Jack 12:30:50 10/30/07 (0)
    Hi.
    
    Any digital switching is a can of worms. It is very difficult to get it clean.
    
    You believe in those commercial talks? Any digital switching will emit
    RFI to the air, serious or not depending how effective are the shielding.
    
    c-J

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