Synergistic Grounding Block and Tweaking it.



Synergistic Grounding Block and Tweaking it.

I always liked the Synergistic Products and I have to give them credit for bringing out some of the most unique tweaks available today. There interconnects, speaker cables, and power cables were always top notch, perhaps a little pricey, but I always hated all of those extra mini couplers wires! So, I moved away from their wires. I think there new series does away with the extra mini couplers, but they are still IMHO still quite pricey.

I wanted to try the Synergistic Grounding Block. The price was not too expensive, so I ordered one from my dealer. Did I mention I always hated all those darn extra SR wires? This grounding block better impress.

Once I received it, I couldn’t believe the size of it. It is about 6 “long and maybe 1 ½” thick and about 2” inches high. At one end it has a hole for accepting a regular size banana plug and on the top there are 18 pin hole openings. The grounding block comes included with six (6) of the skinniest wires with the smallest banana plugs I have ever seen for grounding! There is also included another skinny wire that is connected to an AC plug (ground only) that plugs into the wall outlet with the other end having a standard size banana that connects to the side of the grounding block.

Well, since I only own one other SR product, I changed five (5) of the rest of the banana plug ends to RCA so I was able to try it with my own non SR equipment.

To my surprise, it did indeed make the soundstage purer and deeper. I don’t understand it? All of my equipment is plugged into dedicated grounded outlets, so why would this little diminutive grounding block with all those skinny wires do more?

Now, the tweaker in me took over. It seems SR also sells higher grade connection ground cables, but boy, are they pricey! Two of them cost more than the block itself! And the Synergistic grounding block can accept 18 of these ground connections!

I had some pure .9999 22 gauge silver wire left over from another project so I installed an RCA connector, sleeved it through some Teflon tubing and pushed one end into one of those 18 pin holes in the grounding block. To keep the wire from falling out of the pin holes, I pushed cut 2” lengths of some .999 18 gauge silver wire also into the pin hole which tightened up the connection. On the end, the RCA was connected to an unused RCA on my equipment. I also had some pure .999 16 gauge silver wire, so I installed this on one end with a regular banana, and then installed an AC plug (ground only) to the other end. This replaced the skinny wire that SR supplied to connect from the wall to the grounding block.

Sounding better… interesting!

On line I found some 12 gauge .9999 silver wire about 6 foot long, that cost about $50. But with this cable, to keep it pure throughout I used no connector on either end. I did this by shaping the wall outlet wire end into a V and pushed it into the wall outlet for a tight fit. The other end was crimped tight and shoved into the regular banana hole into the grounding block.

Each “upgrade” in wire went through a minor break in period. (hours not days) and doggone it, it did increase the purity of the sound.

So, now with the 18 available pin holes in the grounding block, I have all of my system connected. That includes my video and subwoofers!

Someday, I would like to try one of the higher grade SR cables to compare to my DIY version.

Folks, this little grounding block does work wonders and far exceeds the price to performance, but it is still a mystery to me. Plus all those darn wires!

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128x128ozzy
Having taken SR products apart in the past (Galileo MPCs, Galileo interconnect shielding boxes etc) I have to say at least historically the build quality and content was definitely "meh". The more recent stuff, like the Powercell 12UEFSE is much more impressively built. None of this matters however when the real test is what effect these things have on the sound -- and is that worth what they charge (irrespective of what is in them)

Anyway if you have a grounding solution in place try grounding other conductive things in your system, like metal (or carbon fibre) stands for example -- you may be impressed. 

Another alternative to SR HD links for those who do not want to DIY is to have Mike Powell at Verastarr make links for you -- he has a nice link design at half the price of SR and can make in any length or termination you need with the small SR bananas at the other end
Ozzy,

I found the effect of the Passive GB subtle in comparison to the Active GB. Even changing tuning bullets on the power cord included with the Active GB has more effect on the sound than the Passive GB alone in my system.

I suspect that Bill is right that one could come close to the passive version with an intelligently designed and constructed DIY version. I believe that SR claims that their passive version has some proprietary material inside the body to boost performance (perhaps similar to the Entreq line) but also adds a direct ground connection from the GB to a receptacle via the included ground cable/AC plug (similar to the Troy line).

The thing to remember Bill is that the SR versions are primarily designed to pull stray voltages and noise directly from the component’s motherboard via an unused input connection vs many other brands that are designed to work by attaching to the component’s chassis. As Ralph points out, sometimes the grounding is common between the motherboard and the chassis and sometimes it is not, so I postulate (speculate) that the method of connection to the motherboard directly via an unused input is likely to be more effective with a variety of equipment.

At any rate, the passive GB works well and is great for its relative price point, but the Active version is many multiples more effective and beneficial, as it well should be for the premium in price.

Dave
Thanks Ozzy and dlcockrum.  I am going to design and build my own unit. I will read more on “additional” substances to place in the box.  What if I connect to both motherboard inputs and chassis? Easy to make up both types of cables.  What about power conditioners and Linear power suppliers used in a system? I suppose one could use chassis grounding cables here? My conditioners are balanced power types using large torroids only.  No additional filtering. 
Bill,

I think experimentation is the order of the day re: where to connect grounding wires.

I am excited that you are delving into this. We will all likely benefit from your experiences with this project.

Dave
Going to the active SR GB from the passive. Not the SE but will provide a Verastarr silver foil AC cable on it.

Hope we hear for the better.