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What the...have I just done ? Please explain...

Hello to you lovely sound profis - in my recent attempts in pursuing a great ( or correct as much as it can be ) sound I again started to play with speaker connection vs speaker cable. As I really think this is the gist of my system set up - and I think I was actually correct - but why the result is so good , no clue. Ok so to sum up. I have a speaker cable "Atlas Hyper 2.0" which I have deemed really good and used it in many set ups - after so many changes I came to the point that actually the sound problem lies within speaker cable impendance vs speaker terminal impendance (?) And now something silly that made this question to you:

A few days ago I cut a small 5 cm piece of sticking tape and wrapped it around tight on of the "+" banana jack on the cable ( upper part of the banana jack other 3 jacks are untouched ) then I inserted this jack into the banana terminal in speakers ( they are monitor speakers with biwirable links - all posts are gold plated ) - The sound has been dramatically changed for the better - I mean better imaging and treble response - you can trust me as I am an analytical listener being in Hi Fi many years - what the hell have I just done from the scientific point of view ? If that helped should I replace the speakers posts with plastic covers or choose a speaker cable with increased (?) resistance - or thinner / dicker cable ? Please explain why this trick has improved the sound so much ?

P.S. Thank you in advance , I know this is silly a bit but that really works... :)
audiodav
dynaquest4's avatar
dynaquest4
445 posts
 
I am an analytical listener being in Hi Fi many years - what the hell have I just done from the scientific point of view ?
Since when did the perceived results of these kinds of "tweaks" have anything to do with science?
axeis1
291 posts
 
I just re terminated my speaker cables with WBT-0610 cu. locking plugs. Will accept up 6 gauge. There are some similar types Furutech makes some nice ones too
nagel
56 posts
 
I don’t think that's the same as the Ground Zero tweak at all. That picture is just as you said, plastic on metal with no circuit, and seems like it would have little if any effect. I believe the OP has thru trial and error created a smaller contact area that’s closer to the wires on the other side of the binding post. I had imagined a similar z type connector but with a raised and rolled edge at the end and hard plastic above to accomplish this. The idea is that the metallurgy and geometry of most binding posts are much worse than good speaker wire (unless you use something like WBT nextgen). Additionally, the current would be distributed more uniformly in the circular shape of the post rather than spades where it comes in from one side. This shorter path may be why many prefer spades (along with their better contact pressure). Good experimenting, but watch out for that sticky tape residue that may ruin your conductivity. I’m also surprised the thickness of the tape didn’t impede your connection by lessening the pressure. Did you notice any downsides at all, like loss of bass or dynamics? Oh I see, you did this on biwire, probably the treble +. If anything you might notice a slight hole in the mid-range. Having said all that, I'd still bet on good spades or bare wire for cheaper setups. :)
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