Thoughts on bi-wiring T2+'s (not bi-amping)?

[klinemj]

Feb 18, 2020 12:31:56 GMT -5 KeithL said:

Well....because the resistance of the jumper is negligible compared to the resistance of the speaker wires it ensures that each two wires will act exactly like one fatter wire.

(Without the jumper in place exactly what happens will depend on how the speakers are wired internally.)

(And, yes, with 10 gauge wires, each six foot long, and the amount of current involved in running speakers, any difference whatsoever is going to be really really tiny.)

Note that the idea that "current takes the path of least resistance" is sort of an oversimplification.

For two resistances with the same voltage across them - current flow in each will be inversely proportional to the resistance.

(Each pair of wires is electrically two really low value resistors in parallel.)

So, if you have two paths of almost equal resistance, the current will be divided almost equally between them, with slightly more than half following the path of lower resistance.

(So, in this case, the current will be divided equally between the two wires...)

I'll also point out a "hidden down-side" of both bi-amping and bi-wiring...

By adding more wires, and more connections, you are increasing the ways in which something can come loose, short to something else, or simply get hooked up wrong.

Feb 18, 2020 10:21:57 GMT -5 klinemj said:

Yeah - that makes sense thinking of it that way. I didn't see your drawing at first...didn't show up. That makes it clear.

The jumper, though, doesn't seem to add any value over not having it - other than being a cool conversation piece.

Mark

Nice picking at nits...

As for things going wrong with loose or shorted or incorrectly hooked up connections...blasphemy. That NEVER happens to me (at least today).

Mark

[Deleted]

Feb 17, 2020 19:51:54 GMT -5 Boomzilla said:

Feb 17, 2020 16:51:05 GMT -5 @shimei said:

Hi Boomzilla,

Yours is the true bi-wire. This is quite funny as some are taking issue with my setup elsewhere with the jumpers. Does it really matter that essentially bridges are at either end of two pairs of wire after effectively doubling up the wire gauge? I don't think so but it seems that the wiring is turning out to be a conversation starter!

Enjoy,
William

Hi @shimei -

In fact, no - it makes no difference whether the speaker jumpers are installed or not. The electricity will take the path of least resistance (much like water). And assuming that the wiring directly from the power amp to the speaker terminals is that path, the vast majority of power will flow directly. The small additional resistance of the terminal jumpers will insure that little of the power will flow through them, but they don't hurt anything. Some labor under the misconception that having the terminal jumpers installed somehow defeats the intention of bi-wiring. But in fact, it just doesn't matter.

I like the terminals on your main wires, by the way; what are those?

Cheers - Boom

Hi Boom, 

You gave me an idea when asking about the manufacturer of the connectors etc. Since there is a lot of great information in these Emotiva forum threads I decided to try my hand at a personal blog while using such info in summation. Included are parts list of equipment used etc. 

www.disqus.social/2020/02/bi-wire-tekton-designs-ulfberht-speakers.html

[Boomzilla]

Interesting, @shimei - Thanks!