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
davidpritchard

Are you referring to the new HFT 2.0 ? Does it add warmth to the system?
I noticed after inserting the 3rd high definition cable the overall sound became a little less warm, but with more detail.  I did not have a decent quality RCA connector to complete the final HD cable, so I purchased a $3.00 connector from a nearby Radio Shack just so I could finish the job. It is my intention to replace this temporary RCA connector with one of higher quality.  This should restore the warmth without sacrificing detail.

I have never seen a Synergistic Research HFT. Is it placed on top of the GB above vacant holes?

nyame,

Thank you so much for your explanation. It makes sense. For sure using the purest and thickest cable from the wall to the block is the best.

Also, if I haven't already stated this I am grounding it to an outlet outside of the 3 dedicated stereo AC lines. Seems to sound better.

Ozzy

I had forgotten that my sub-woofer is on a different circuit from my audio system.  It is on a circuit with a Comcast high definition cable box, a Panasonic TV, audio from the cable box, and a PS audio power conditioner. Because of this I have decided not to connect it to the grounding block. It is a toxic mixture with the potential for complicating my audio system with grounding and other noise problems.  

Both yourself and David Pritchard had suggested that grounding the sub was optional so I decided not to proceed.

nyame:
I agree that mixing the two systems might really cause problems. The SR HFT I alluded to is the HFT-2.0. It does add a little warmth. I have it placed over the screw on the top of the grounding block at the end that the cable to the wall outlet attaches. I have also tried a Mad Scientist Tube topper (New Zealand product) at the same location. It also works but not as well.

David Pritchard
yjame, You should at least try it, sometimes you just never know. My bet would be that it would improve your picture quality.