Duelund/Mundorf Ultra Loudspeaker Purifiers

I would like to share my experience with the purifiers that I purchased from Audioman58. I have been in this hobby for some time and over the years have auditioned many speakers, amplifiers, tweaks etc. This experience has helped me sort out the many of the snake oil tweaks from the real deal. That said, my experience with the purifiers is that they performed exactly as described by Audioman58. In regard to the post by iseland, while I agree that high quality crossover components will provide many of the benefits that the purifiers provide, let me say that I have a Hegel H390 amplifier with a 4000 damping factor providing 2x250w into 8 Ohm and 400w into 4 Ohm. I say that because this amp is cable of driving and more importantly controlling drivers on the most difficult speakers. When I added the purifiers, they provided their value in short order; exactly as described. They will improve SQ even if you have high quality crossover components in your speakers. BTW many high priced speakers on the market use many sub par components in their crossovers. Happy user! 

I am the builder , I will answer several question, yes these will work even if amplified ,for the amplified section is fed the audio signal then goes  to the preamplifier -internal Xover ,these Filter which = cleans the audio band of noise ,not the same as a RC filtering in a Xover ,for one there is much times spent using various size capacitors for the the filtering ,and your speakers ohms, impedance determine which resistors I use ,which BTW these parts are night and day better then then 95% of the Xover parts in most speakers including anything at $25 k for example.once these are runin at least 100 hours they then start to open up. And get better to 300 hours.
Tony gee of humblehomemade Hifi capacitor helped me over 4 years  ago ,today these are a very well thought out design ,to Ass ume  the answer is self defined. 1st try them ,then make a call.  Magico A5 is the 1st  company to use these superb Mundorf Ultra resistors ,Yes even more defined then the path audio resistors I have directly compared them, and the Duelund copper foil oiled paper need no introduction  .and head shaking  is a good thing when the music sounds good !!

I checked with Golden Ear yesterday and they do not recommend using on my Triton Refs, saying it could possibly damage the internal amp and DSP. With that being said, although I would love to try it, I don’t gamble so I very reluctantly will pass. Unless of course someone with my speakers is using them successfully. 

BTW many high priced speakers on the market use many sub par components in their crossovers. Happy user! 

Just watch any of Danny's videos at GR Research.

I have Walker HDL links, I love them, they are no joke and mandatory around here. I wonder if they are similar.