[sdiy] question about cables

[Graham Atkins]

Do you mean un-plated by "pure copper" ?. If so it is great for IDC
termination but not for soldering.

Graham

On 25 Aug 2009, at 08:57, benjamin wrote:

>
> funny, yesterday I fount CAT5E utp cable they were throwing away...  
> I stripped it and am going to use it for internal wiring.  It's pure  
> copper and far superior then multistranded cable in my opinion...
> I even tried to bend and turn it lots of times and it didn't want to  
> break :p
>
> grtZ
>
> Graham Atkins wrote:
>> Well,
>>
>> On 24 Aug 2009, at 19:52, cheater cheater wrote:
>>
>>> OK, solid core cable works well if you install it and forget it, but
>>> it's not really ever this way with modular synths in my experience.
>>>
>>> 1) a lot of people like to adjust their modules every now and then.
>>> That might need you to move the pcb around and in the course of that
>>> you could manipulate the wire
>>
>> Being "solid core" does not make them totally inflexible, copper will
>> bend a fair bit without fracturing. Allowing some rigidity allows you
>> to bend looms into place to keep cables apart from themselves and
>> your PCB's / modules so not really a problem.
>>
>>> the sound will be degraded to the level provided by
>>> your patch cords. Another run of the same wire will not degrade it  
>>> any
>>> further, the cable in question has already degraded it already.
>>
>> I think you are reading too deeply into this issue, "degrading" is  
>> not a
>> serious problem IMHO.
>>
>>> 4) there is the question of how often you'll have to replace a
>>> stranded (soft) cable vs a rigid (single-core) cable. I am not sure!
>>> Any thoughts? Which one will oxidize faster? Which will crumble
>>> faster?
>>
>> The whole idea of plating the bare copper conductors with tin,  
>> silver,
>> GOLD......or whatever is to reduce the oxidisation problem too a
>> neglegible level which it does quite effectively compared to bare
>> copper. Have you seen a bare copper PCB oxidise as opposed to a
>> plated one ?, it will happen overnight.
>>
>> I think you are reading too much into these issues, they are not as
>> bad as you may think. You should have been a Hi-Fi enthusiast LoL.
>>
>> Graham
>>
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