Re: need help choosing between line level cables

In article <laj4pa0q4a9.fsf@xxxxxxxxxxxxxxxxxxxxxx>,
Tomi Holger Engdahl <then@xxxxxxxxxxxxxxxxxxxxxx> wrote:

Kevin McMurtrie <mcmurtri@xxxxxxxxxxxxxx> writes:

In article <CL-dnffVt5DGNpnVnZ2dnUVZ_oSunZ2d@pcez>,
"Richard Crowley" <rcrowley@xxxxxxxxx> wrote:

"Kevin McMurtrie" wrote ...
$15 for Cat6 and $20 left over for balancing transformers?
I don't think that would work well.

Actually, growing numbers of people find it ideal.

He gave links to balanced wiring. Balanced audio allows for a bit of
a
grounding mismatch between equipment. If his equipment supports it,
balanced wiring is by far the cheapest and highest quality way to do
this.

1) The OP was asking about wiring his consumer audio
equipment. The likelyhood that it has balanced inputs or
outputs lies somewhere between slim and none.

2) Cat5 (et.al.) *IS* balanced. In fact, it is balanced much
better than most any cable sold for audio purposes.

Sometimes only the green and orange pairs used for 10/100 Ethernet are
balanced in Cat 5. You don't know until you strip away a foot of the
jacket.

Where have you seen such cable ?

Some bulk wire at work that was used to make patch cables. All four
pairs are twisted but the two that are unused in 10/100 have a very low
twist quality. From the ones I opened, it varied from 1 to 10 turns per
foot.


All the CAT5 cables I have seen consists of four well balanced
wire pairs. There are four well built twisted pairs on CAT5 wire.
And the twist rates used on different pairs are intentionally
different to reduce the crosstalk.

Cat 5e, 6, and anything else supporting 1000Base-T Ethernet have four
pairs that are well balanced. Cat 6 has a "+" shaped spine to reduce
the chance of crosstalk between pairs.

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