Nordost QB8

I plug the preamp (power supply) to the primary earth and the TT, CD, and Tuner the rest of the way. The QB4 plugs into one socket and the Amp plugs into another. No difference plugging the Amp directly into the wall, it just frees up one socket on the QB4 so that the TT is not plugged into the wall. PC's are Nordost Blue Heaven LS. To be honest, the QB4 makes no difference in sound either. I have one because I got it for 200.00 and it looks to be close to new. Retail? Forget it, you're wasting your money. The PC's do seem to help some though.

I would second the advice about the QX4 or QX2. I can not think of any "tweak" that was more beneficial to my system, in terms of lowering the noise floor, increased dynamics. I had 2 and just sold one. Two are better than one, but not much. A single QX4 is a no brainer IMHO.

I feel the QV2 works well too, I havent compared the benefits of QV2 to QX4. If anyone has, I would be greatful for any observations

"There is a big difference if you ground QB4 or QB8. I use Acoustic Revives ground conditioner rgc-24. I have also heard nice results using the grounding equipment from Entreq."

How would you describe this difference Fitzo?

Fitzo, did you find the order in which you plug in your equipment into the QB8 or QB4 made a difference?

I found that my equipment sounds better with the Meridian MS600 plugged in on the opposite side of the primary earth socket than my amp and CD player/DAC. Not sure if it's a matter of better power noise rejection of my pre-amp vs. other components in rejecting noise from the MS600 switching power supply of if the MS600 is sensitive to the big power draw from my amp. Or other reasons? I get better soundstage depth and detail with the current configuration.

Fitzo,

I managed to find a used Acoustic Revives RGC-24 and look forward to sharing experiences when I receive it.