I use 3 stones- one of them on top of DAC area of CD player- noticable results- slightly smoother, hair less grain, etc. (guess its reducing digital 'hash' etc.). Second stone is on top of DCS Purcell upsampler, and third is on top of A/V processor. I tried on top of tube preamp, but not as much effect. Overall, I highly recommend. Hey, whatever its doing- works for me!
Shakti Stone?
My dealer is sending me one to "audition" It will be tried either on my Pass Aleph-3 or Rogue Audio 99 preamp.The 99 has an outboard power supply.The 99 has 4 line-stage tubes and 4 phono tubes.With the outboard power supply with the 99 can there still be a chance it will do its magic or is the Aleph-3 the likely candidate to wear the stone.Has anyone had any big improvements with a Shakti Stone??