The PW 116 was a good power filter in its day, but has been surpassed by many of the newer products. I had a PW 116 MkII, then upgraded to the Ultra series and now I run a PS Audio power regenerator on my front end only. My mono tubes amps get fed directly from dedciated lines.
I found that most isolation transformer based power filter to be current limiting and rolls off the high frquency extension, thus eliminating much of the music's air.
I found that most isolation transformer based power filter to be current limiting and rolls off the high frquency extension, thus eliminating much of the music's air.