Add small pigtail wire off negative out of amp.WOW


A great tweak that is completely free (if you have bits of spare wire laying around)
Add a small pigtail of wire to the negative five way binding post of the amp. just hanging off the post, not connected at the other end to anything.
Works. Some implementations work better than others, but the result is greater clarity, and better lower frquencies.
How this works is ???
Anyway, for those who do not want to take a risk of doing something off the wall themselves, a low priced version is avalable from EVS for $30 a pair.
(Electronic visionary Systems Ground Enhancement Accessory)
A few other companies make a similar product.
(I have no affiliation with EVS, and mention them ONLY because the product is not overpriced, and is basically a small tweak, at a fair price for it.)
My own attempt has led me to making clusters of Ferrites with wires sprouting out of the clusters. then a wire to the negative terminal of the amp. and a similar single ferrite with the wire sprouting at the negative terminal of the speakers.
I find more stuff off the end of the wire 'helps' for my particular setup.
Anyway. If you can find a way to do this tweak, and if you have a pretty good setup, you may find it is a great tweak. And dirt cheap too.
My cost for my complex adaptation is for the Ferrites $6.30 only, since I had the wire on hand as scrap. I used some bananas to stick the wires on the amp five way, but i had those laying around too.
elizabeth
After reading this thread I made a 5 inch piece of solid core 12awg speaker wire with a banana on the end for termination. After A-B testing over a dozen times I almost thought I heard a differance. I pluged the two pigtails into my amps neg speaker output for the test.
I didn't conclusively hear a differance.
I'm all for these cheap tweeks and have tried a few that I could hear a differance.
It may be amp dependent or system dependent.
I gave it a shot.
I really wanted it to work.
I used the commercially available inexpensive pigtails. On my speakers they definitely made a sonic difference. Very expended soundstage, but they diffused the focus a bit and souonded overall somewhat phasey. The initial reaction was WOW, but after a while I missed the focus.

So I put them on my amp and this focused things and still enhanced the soundstage. Maybe not as much as on the speaker but to a noticeable extent anyway.

There have been lots of reportings on this type of thing. Many good, some bad, some initially good and then not so good (like me). It is somewhat system dependent. Maybe mine didn;t work on my speakers because my amp is balanced (I've heard others with balanced amps report the same).

In any case it is cheap and worth the trial and error to find out for yourself.

Enjoy,
Bob
I just tried the pigtail in my system and did some serious aba listening. By the way you must do aba to eliminate a different focus when listening after the change. For instance I listened several times to a favorite song and then installed the pigtails. Thought I noticed more reverb on the vocalist. Then I removed the pigtails and listened again. What I thought was more reverb was now exactly the same as with the pigtails. I did this on 6 cd's and sacd's and heard no difference at all
Agree with Ahendler, Doing a tweak and not checking to see if it did anything.. not good.
Sorry it did not work for you.
I had mentioned i tried the pigtail tweak awhile back, and had no results too.
I have been doing a lot of tweaking lately though, and tried it again,and it worked this time.
I do not know what is the prerequisists of having it work better though.
At least it is cheap to try out!