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In Reply to: RE: Have both actual speaker wire hooked up posted by unclestu on January 02, 2013 at 12:07:50
I have come to this discussion late and have missed a lot of talk, but I noticed mention of loops of about 30 inches and I just happened to have two lengths of some old Kimber Kable of that length so I tried it and it certainly seemed to improve things.
Removing the loops was noticeable as well.
So then it occurred to me that I have some old jumpers from when I had a bi-wire arrangement and that of course matched my speaker cable even if they were much sorter lengths.
In they went with just the slightest bit of convincing due to not being hugely flexible over a short length.
The results were immediate and positive.
Taking them out and putting them back in confirmed the improvement.
Which was...
An apparent drop in the noise floor (?) resulting in a sense of greater dynamics and tiny notes decaying for longer.
The bottom end seemed better which was odd because I hadn';t touched the sub-woofer but I am presuming it is to do with a cleaner attack on notes, although this is purely supposition.
Anyways round, it was quick and definite.
Now I will wait a week and then try removing them to finally double check the results.
Follow Ups:
it the damnest thing ? Theoretically nothing is supposed to happen, as it is only a loop of wire and nothing is connected to it.Stu
Edits: 01/02/13
I hesitate to mention "girth"...
Is it important to use the same wire as the main speaker cable?
What is the "wire connected to the negative of a battery" tweak?
I missed it through being shipwrecked on a dessert platter for 3 years and I have so much to catch up on.
The length is unimportant except for practicality.
Bud used a 6 inch loop, but longer is fine. Too short and the effect is lessened, apparently because there is not enough "electrons" on the wire surface.....
Based on my experience with Bud's tweak, and accepting his explanation of a "surplus" of electrons, I figured a hook up to the negative terminal of a battery would serve the same purpose. It most certainly does, and I augment the battery by hooking up a 10K uF cap to the battery. I've posted on the mod here on the Tweaks asylum, just enter "battery ground tweak" and you should get a bunch of posts about it.
Stu
The jumpers I have used are just long enough to bend round comfortably.
I have done a number of approaches to these Ground loops. The length and the girth of the cable have something to do with it, but what I don't know. I have tried building cables based on my computation of the surface area of the ground loops.
I have used various gauges of wire and lengths. All seem to have some effect on the sound. You will either have to direct your queries to someone with better understanding of the phenomena (Bud Pervine, aka BUDP in this asylum); or conduct your own experiments in an nattept to gain greater understanding for yourself.
I am glad to read that such a simple test yielded positive results.
Experimenter 1 Naysayers 0.
DaveT
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