The next best Tweak ???


There have been several postings at AA about a new tweak from the mind of a gent named unclestu that I would like to share with Audiogon members.

I really don’t know why it works or how it works.
This tweak will cost you about $10 bucks but hold on to your hats...

unclestu discovered that the Ground Control (that was designed by Bud Purvine and sold by AudioPrism)design could be improved on.

You will need to make two sets for your speakers.

What unclestu came up with is to take a 6V Lantern Battery, add a 1000uf Electrolytic capacitor across the top springs (+ to + and - to -) connect a wire to the negative side of the battery and then attach the other wire end to the negative post on your speaker.

I have also made a couple that I plug in to my Preamp and Amp. Those were made with RCA’s ground on the wire end and I used 9V batteries utilizing 9V battery clips.

I've got to say, big improvement across the board, Soundstage, bass, mids, treble. But the most dramatic change is in the dynamics.
128x128ozzy
Well, at least you learned how to destroy a capacitor...LOL
I hope your replacement try gives you an improvement.
If there are no + or - indicators on the cap the longer lead is the positive lead and the shorter lead is the negative lead.
Hi Ozzy

I got the polarity correct this time and didn't blow up the caps. I'm still evaluating the tweak though. I need to do more listening with it in place and haven't been able to carve out the time.

Hi Pixelphoto

I learned what you stated the hard way after I had blown the original caps I had purchased. When I got the new 50V rated caps I took a look at the leads and saw the differences in length. Then I recognized the arrow pointing to the negative side. I feel dumb about what happened but hopefully this will help any novice.
Hay Jedinite
I had the same problem with not knowing which lead was which but slbenze over at Tweakers' Asylum clued me in. I just bought two more caps at Fry's and these have even length leads but do have arrows. I just attached them to the 6V batteries at my speakers and the main result is more dynamics.
Happy listening!