Best Hookup Wire? (for component internal wiring)

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Diamond wire is used for cutting stones. I use 1-1.5sqmm for rails and .25 or .5 for small supplies. For signal I use thin mic cable, so no fancy rare metals. Just plain copper.
Well, it´s called "diamond wire" which sounds good but wire is actually steel, with embedded diamond grains which do abrasive cutting.
Yes, steel is a (poor) conductor, yet I can´t imagine why would you use it instead of copper unless your Dad works at some stoneworks or quarry company and brings home surplus odds and ends so it´s free for you.
And even so ....
 
I use solid twisted CAT5 for audio signal, cheap and good quality copper.

This is a common internet refrain. Ok, it is dirt cheap. But how good is the copper? And why would you expect it to be particularly pure or properly annealed?

Never tried the plenum variety, but the common pvc covered CAT5 is probably the worst sounding wire i have ever tried. Stripping the insulation does not help either. Why people use this for audio is a great mystery. Common multistrand copper wire sounds much better to me. Even magnet wire is in a different class.
 
I remember, many years ago, a test here where a potato (yes, that is no typo) to connect two signal wires. Just plug the wires into the potato. Nobody heard a difference!

Jan

Need pretty high input impedance and a fresh potato, methinks.


(In general, not to you Jan!)

Cat5 has to pass much tougher signals than anything line-level audio, so it's certainly good enough for a lot of applications. Then again, sometimes coax is what you need. I see nothing wrong with using it for hookup wire inside a chassis, provided you're not relying on it for ground currents. Solid core isn't the most flexible of stuff, which can be a feature sometimes (it stays put)
 
Cat5 has to pass much tougher signals than anything line-level audio, so it's certainly good enough for a lot of applications. Then again, sometimes coax is what you need. I see nothing wrong with using it for hookup wire inside a chassis, provided you're not relying on it for ground currents. Solid core isn't the most flexible of stuff, which can be a feature sometimes (it stays put)

Cat 5 wire isn't designed for stripping and soldering - it's usually used in punch-down blocks.
It can certainly be used as hookup wire, but I find it is very easy to 'nick' and then a few cycles of flexing results in breakage.

I don't understand why standard tinned solid-core hookup wire isn't preferable. It can't be a cost issue since some people who advocate using Cat 5 wire use expensive components.

My favourite is a type of tinned stranded wire where the strands are 'soldered together' inside the insulation, but I only have that from salvaged wire from old gear - I don't know if it is available new, or what it is called.
 
We used cat5 wire interchangeably with the standard stuff in undergrad labs! It's more liable to breakage for sure, but I've been relatively successful in stripping the stuff with my fingernails.

Anyways, that's not at all a disagreement with what you write, VictoriaGuy (not a bad place to live!), but you can make it work in a pinch, and there's always a hank of it laying around. It's not my first choice either, although if you can maintain the twist, I'm sure it performs a bit better than me manually twisting hookup wire. (which also seems to work fine)
 
Need pretty high input impedance and a fresh potato, methinks.


(In general, not to you Jan!)

Cat5 has to pass much tougher signals than anything line-level audio, so it's certainly good enough for a lot of applications.

Two weeks ago I was measuring an amp with the AP2722 and the cable capacitance (balanced cable) made it oscillate. I ripped out a twisted pair from a length of cat5, and made up a custom cable, no screen. Worked like a champ! No more oscillations, no hum due to the tight twisting, and it even measured well (the amp, I mean).

Cable and wiring is part of the system. If swapping a wire makes a difference in sound, you have one hell of an incompetently designed unit!

Jan
 
> Just plug the wires into the potato. Nobody heard a difference!

Need pretty high input impedance and a fresh potato, methinks.

Do you have ANY basis for this assertion??

Mistrusting all off-cuff opinions, I got some data. In the kitchen. Potato is fresh. Indeed you do want a higher impedance. 101k is "high" for modern Hi-Fi.

We also see why we dislike Aluminum (best conductivity per buck)-- it is hard to get a good long-lasting *connection* on Aluminum or on a potato. The number kept changing. On an Aluminum termination I could try higher clamping force; on potato that just makes mashed.
 

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