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Ok, so possibly the cool guys here have already hashed this out. Anyhow, I've got my side / rear speakers with dual binding posts for bi amping or bi wiring. They have the thin buss bar between them in case you are only running one set of wires.
Has anybody done any extensive testing to determine which set of inputs is better to connect a single speaker cable two?
Follow Ups:
My speaker is a 3-way, bass+mid+hi, I prefer (+)to mid+ and (-) to bass-
I use jumpers(short pieces of copper wire) to connect to the other relevant terminals.
In a 2-way, try the (+) to the bass+ and (-) to the tweeter- with jumpers to connect the other two terminals to its relevant polarity.
But do try it the other way, and listen for differences.
On older Harbeths that are biwireable, the advice was to use the bottom or woofer connection. I'm guessing because the woofer requires more power.
There is no best pair to use, but there is a way of improving matters.
Ditch those bar links and replace with the same speaker cable (or better) that you use for the speakers. Loosen the binding posts to reveal the holes drilled through them. Connect these holes with unterminated speaker cable, tighten well and then connect your speaker banana plugs.
This is often claimed to improve things, although frankly I doubt you'll notice any sound improvement - at least you've done the "right" thing!
Ditch those bar links
to see the LCR metrics for such.
One dimensional guys like Roger Russell were concerned only about R but L and C both interact with the driving amplifier and affect the sound IMHO.
On my centre channel I use the same speaker cable as the link. The banana inputs are currently on the woofer input.
After swapping the driver that was broken last week I moved the inputs of my side speakers to the tweeter inputs. Yes, they currently have the bar links in. I noticed a cleaner sound. Due to the bar link thingie degrading the highs due to slight oxidation? Due to the LC as Ralph mentioned? Merely breaking and making the connection?
My theory was more or less that there are 2 more contact areas for the electrical impulses to traverse. The lows have more drive power, so they'll move on through anyhow. Whereas the highs are more subtle, thus those two extra connection points may affect the highs. When I can move stuff around I'll put the center channel inputs to the high frequencies just for shits and giggles.
I use a pair of Reference 3A Royal Master speakers (the original designer's version of today's Reflectors; gotta luv those over-the-top names!) that have dual binding posts. I ran them for years with the supplied jumpers. Then I experimented with replacing those jumpers with short runs of my speaker cable. This gave significant improvements: more detail, cleaner leading edges, more air. It was a no-brainer improvement for a trivial cost. Although I've also wondered whether it matters which pair I connect the speaker cables to, I haven't experimented with changing the connection. I use the woofer posts, as they serve through much of the mid-range and I have a vague memory of this being recommended. The better jumpers improved the connection to the tweeters, of course, and so that probably explains much of the improvement.
so which input is best after doing this?
I find it comical that guys, yes guys, come here asking which 5 K amp to buy, and get a lot of responses, yet for this, nobody.
> so which input is best after doing this?
Why do you think it matters? The terminals you use will have about 10 ft of speaker cable feeding them and the other pair (once linked with identical or better speaker cable) will have about 10 ft 3 inches of speaker cable feeding them. Doesn't this fact lead you to answer your own question? ;-)
I am more concerned with 2 more breaking and then making connections. I believe that the bass will power through if the connections are made to the tweeter inputs. My theory is that the more subtle higher frequencies are having to traverse the extra possibly signal degrading contacts if the bass inputs are used.
I've seen reports on this subject in some reviews and it seems to vary which set of inputs to use. I've never done it but given how small things can have noticeable affects I suspect there are often differences and my gut feeling is that it varies speaker design to speaker design. It seems the best approach is the good old, try it both ways.
Yet nobody has tried the banana plugs into either of the inputs to see if they prefer a difference. Eff that, let's debate which 100 dollar DAC sounds best.
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