best power conditioners under 4k

More feedback on the ADD-Powr here.. They are THE REAL DEAL!

 https://www.audioaficionado.org/showthread.php?t=47482

@bemused  @highend666  +1 re. ADD-Powr

See here also:

https://forum.audiogon.com/discussions/add-powr-by-coherence-systems-power-conditioning-products-2

My vote goes to Torus Power.

Any love for Puritan Audio. UK ?

I spent years messing with power conditioners. I tried many different devices, both series filtering and parallel filtering, and multiple different DC blocking solutions as well. Eventually I realized that power conditioning gives gains in some areas but has too many negatives in other areas.

The best power conditioner was not a conditioner but the Nordost QB8 power strip. I did not want to believe it was better than all my other stuff, because it just seemed like an empty overpriced box. But it was.