DIY Cables - Sourcing True OCC Copper Wire

I suggest you look at the standards for copper wire used in telephone lines, which are used for ADSL also, there data integrity is important.
Those can be very long, from telephone exchange (central), to the place the phone is being used.
There are standards for line loss, cross talk and so on.
There exists equipment for testing the wires for signal quality.

Then go back and see the purity of the wire being used.
You might have a reality moment.

You are talking high purity wire a few meters long, I am talking of established standards for cables with hundreds of wires, and several kilometers long.
Any effect of wire material purity will be more prominent in a long cable, or not?
And digital is difficult to handle compared to analog as far as signal purity is concerned.
 
Regardless, there are folks here who do not want to talk about the possible benefits of OCC wire, or where to source good OCC wire material, and would rather try to poo poo on the fine folks who are actually being helpful, like yourself.

Awesome idea! Start that thread, I’ll be right over.
It was you who poo poo-ed those who do not want to talk about the possible benefits of OCC wire. This is the thread to talk about it as you've already mixed that in your opening post (quoted below).
as I believe the theory behind single crystal structure is sound (pun intended).
 
I've given you helpful info for you on page 1. If you believe that my input isn't helpful, lets discuss why.
Absolutely! If you’d like you can send me an email and we can correspond like humans outside of a forum. My email address is HeyItsMeDustySpam@gmail.com !

But on this thread I’m looking for advice on where to source OCC wire for a project where I’m constructing some DIY audio cables.

Do you have any suggestions for good online stores where I can source OCC wire?
 
You seem very convinced of something about OCC wire. What is the possible benefit of OCC audio wire?
Oh no. I’m sorry you aren’t following too closely. You think I am convinced of something. I have clearly stated that I’m not sure if there will be an improvement, and that I would like to try to source some good OCC wire to make some high quality cables so I can test them out and see what I think.

Stated a different way: I’d like to source some OCC wire to make some cables to test them out.

Hm. I’m not sure how else to say it to help you understand. I do hope I’ve helped you though!

It would be cool to see the same improvement in enjoyment that I’ve gotten from upgrading to higher quality materials and components elsewhere in my system. Some tweaks have made differences, some tweaks have not. But it’s always fun to try!

I enjoy creating and tweaking! It’s a fun hobby for me, and I don’t take it too seriously. There are so many great and helpful people on this forum and in other forums, and I’m grateful to them for adding to my enjoyment of the hobby.

There are also other people. I don’t let them get me down. 🙂

Anyway, if you do have any other suggestions about where I can source some good OCC wire to make some cables to try out in my system, I’m all ears!
 
I have clearly stated that I’m not sure if there will be an improvement,
What kind of improvement?
It would be cool to see the same improvement in enjoyment that I’ve gotten from upgrading to higher quality materials and components elsewhere in my system. Some tweaks have made differences, some tweaks have not.
What kind of difference, measurable, audible, emotional or something else?
 
What kind of improvement?

What kind of difference, measurable, audible, emotional or something else?
I guess it would be cool to see whatever the differences are, any of the above. For better or worse, just to know.

I am interested by the fact that there is a more “intact” version of the materials I’ve always used, with fewer breakages (border grains) throughout. The fact that this material exists is not up for debate. So when I make my cables, I’d like to use that material.

What IS up for debate in my own head is if I hear any differences with these new cables.

But this isn’t a scientific test, man. If any of these cables actually do sound fantastic, it will be due to a combination of ALL the factors. To do a true scientific test I’d have to make multiple sets of the same wires, controlling for ALL of the conditions (length, shielding, connectors, identical crimping/soldering, etc…) except the wire material which would be the only variable, ensuring that if I do hear a difference when listening in a double-blind test that the only correlated attribute among the subjects would be the wire, thus making it possible to attribute any differences in sound to the wire material.

But this ain’t that! This is just me having fun sourcing materials and making cables.
 
I guess it would be cool to see whatever the differences are, any of the above. For better or worse, just to know.

I am interested by the fact that there is a more “intact” version of the materials I’ve always used, with fewer breakages (border grains) throughout. The fact that this material exists is not up for debate. So when I make my cables, I’d like to use that material.

What IS up for debate in my own head is if I hear any differences with these new cables.

But this isn’t a scientific test, man. If any of these cables actually do sound fantastic, it will be due to a combination of ALL the factors. To do a true scientific test I’d have to make multiple sets of the same wires, controlling for ALL of the conditions (length, shielding, connectors, identical crimping/soldering, etc…) except the wire material which would be the only variable, ensuring that if I do hear a difference when listening in a double-blind test that the only correlated attribute among the subjects would be the wire, thus making it possible to attribute any differences in sound to the wire material.

But this ain’t that! This is just me having fun sourcing materials and making cables.
The main flaw with your approach is that the cables you are trying out only cover from preamp output plugs to amp input plugs (if you are using separates) and amp binding posts to speaker terminals. Are you aware that the cables inside of your preamp, amp and speakers (terminals to drivers) are just run of the mill copper cables? If you think the higher purity of conductor in your new cable matters, then you need to do the test with the new cables in the entire circuit chain because it's like an old saying, a chain is as strong as its weakest link, the conductors in the circuit chain with lesser purity will negate your investment on higher purity between components. Hope this sheds some light on your approach.
 
The main flaw with your approach is that the cables you are trying out only cover from preamp plugs to amp input plugs (if you are using separates) and amp binding posts to speaker terminals. Are you aware that the cables inside of your preamp, amp and speakers (terminals to drivers) are just run of the mill copper cables? If you think the higher purity of conductor in your new cable matters, then you need to do the test with the new cables in the entire circuit chain because it's like an old saying, a chain is as strong as its weakest link, the conductors in the circuit chain with lesser purity will negate your investment on higher purity between components. Hope this sheds some light on your approach.
It does not shed any light on my approach.

My approach is to build good cables using OCC wire. Do you have any suggestions on where to source good genuine OCC cable? I’d be happy to check it out if you do!