Do you use any special wire to make the chassis ground to PZ lug connection?
2 Likes
I like Russ Andrews ground wires:
5 Likes
The GM City didn’t work at all connecting to PZ in my experience too. If I understand correctly. I should use a separate passive device such as CAD to connect amps/sources to PZ. In that case I need to remove RM from the system (since it connects to the wall with a City).
Or I just leave the way it is without PZ connecting to RM.
2 Likes
Sorry for my confusion.
PZ star grounding means a single ground wire directly connected from DAC and Amp ground lugs to PZ’s ground lug. This is Paul Hafner suggestion I got.
CAD GCs are a compatible solution, already existing in my system, based on a single wire connected from the component to the CAD box, for each chassis. 6 chassis, 6 CAD wires, 6 CAD GC1s.
I’d suggest in your system to let all stuff as it is or even more, try the easiest way: disconnect all the Puritan/GM City and Ground Master for a while and use just the PZ. A radical back to basics. Listen and see how it sounds.
4 Likes
It took me a while to understand since I don’t use my brain power much after retirement.
Thanks! I’ll play around in next few days.
4 Likes
I am just using my PZ connected to two dedicated 20amp circuits. Gryphon Vanta Power Cables which strikes me as so correct I have zero interest in trying any other PC.
I have my CAD connected to the Commander via XLR, Grimm MU2 via RCA, and BACCH-SP via USB. Nothing between the CAD and the PZ.
The last two attempts to upgrade involved swapping SFPs and Fiber cable, and a M-2 fuse stuck in the MU2. I heard absolutely zip from either upgrade. This has a nice calming effect though.
Just enjoy the music Allan.
What the PZ does after adding it to your system is pretty swell. To me it has a calming effect on system changes. I fully understand how this is not possible for our Donald. But I sense that Luka is heading in the calm direction.
It amused me that Paul went loco when he got his. He wanted to try all sorts of stuff. But he’s young and fun.
I can’t wait for some others to give it a try.
8 Likes
If you really want to play call Sean for this. 
2 Likes
I would assume this would deliver the same results for less 
There is also a less expensive cable.
I am guessing an 8 ga. insulated solid copper wire from a hardware store would sound exactly the same as either of those.
7 Likes
I think I should just enjoy the music and the PZ magic but I might have to try connecting the Diablo 300 ground to the PZ ground. Paul Hafner also told me I should try. 8 gauge ground from hardware store or from my electrician brother-in-law! 
5 Likes
This kind of kills the tweak level tho of this experiment. There has to be a noticeable change in sound quality with different ground cables!? (Sarcasm)
2 Likes
Mine was like $40 range and I bought 6 of them. I thought that was crazy. I made two more myself using old cheap cables. There was no SQ difference, or the homemade ones sounded better (bigger gage).
3 Likes
Anyone find a suitable place to attach the chassis ground on the MU2?
1 Like
Via USB with the CAD GC1
1 Like
I use one of the RCA connectors, and I do not think it matters.
1 Like
Per your suggestion, I have been listening to Qobuz playlist for the last two hours without any ground wires and devices, and I was surprised how much they affected the SQ. The music has become flat and boring. I then reconnected GM/RM and grounding wires to all components except PZ. Within 10 minutes the SQ was back alive.
PZ is the only device that I did not connect to RouteMaster, and I do not think I will.
3 Likes
Mmm… interesting, thanks for sharing. Sorry for my wrong advice, don’t know why but it seems our systems respond differently.
1 Like
You have CAD in the system that is doing the same thing, and maybe more effectively. RouteMaster is the only grounding system I have so that may be the reason why we are hearing differently.
I may try a CAD in future, but I am afraid that I may go into another deep rabbit hole.
4 Likes
I may of mentioned this before but live recordings with the PZ in the system are crazy good!! My goodness!
4 Likes
