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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
jedinite24's avatar
jedinite24
1,503 posts
 
Hi Ozzy

It turns out I did misread the capacitor ends. (I feel like a dumbarse for getting it wrong.) When I was done listening to music with the battery tweak in place I removed the whole tweak and hooked them up to the negative terminals on a small Class D amp. I think it is supposed to put out 15 watts/channel max. I thought the set-up needed to be charged up from reading your posts so I ended up feeding as much power as the little amp could to the battery/capacitors. I left it on for the whole night and day and when I got home I found the caps had leaked all over the batteries. Oh well. The batteries are still good though.

I went back to Radioshack and got the 50V rated 1000uf caps because they had no more 35V rated caps. I re-did everything properly this time and will try to evaluate if this tweak will make a difference in my mostly solid state systems.

Thanks again
ozzy's avatar
ozzy OP
7,460 posts
 
Well, at least you learned how to destroy a capacitor...LOL
I hope your replacement try gives you an improvement.
ozzy's avatar
ozzy OP
7,460 posts
 
Jedinite24, How did it go?
Well, Has anyone tried this tweak?
pixelphoto
70 posts
 
If there are no + or - indicators on the cap the longer lead is the positive lead and the shorter lead is the negative lead.
jedinite24's avatar
jedinite24
1,503 posts
 
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.
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