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Old 16th December 2002, 05:58 PM   #1
G is offline G  United States
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Default Solid or stranded wire for hookup?

Hi guys,

I have a bunch of parts on order and I am about to start punching out the chassis for my amp. I have some teflon insulated silver tinned stranded instrumentation wire #18 and I have some teflon insulated solid copper #18. Which would be preferable for hookup? I know that the solid copper would be easier to work with. I don't want to start another debate I just need some good advice. Thanks.

G
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Old 16th December 2002, 06:12 PM   #2
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Default WHAT HOOKUP WIRE TO USE?

Hi,

Quote:
I know that the solid copper would be easier to work with. I don't want to start another debate I just need some good advice. Thanks.
Not only is it easier to work with,it also sounds better than multistrand.

If this ends up in another battle I'll start a thread on my own re this issue.

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Old 16th December 2002, 06:17 PM   #3
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Default Re: Solid or stranded wire for hookup?

Quote:
Originally posted by G
I have a bunch of parts on order and I am about to start punching out the chassis for my amp. I have some teflon insulated silver tinned stranded instrumentation wire #18 and I have some teflon insulated solid copper #18. Which would be preferable for hookup? I know that the solid copper would be easier to work with. I don't want to start another debate I just need some good advice.
G,
I use solid core, except in power cords (which I'm pretty sure I'm not allowed to by law). Inside an amp, most of the time I use quality magnet wire, in the smallest guage I need. Stranded wire, and silver plate have been tried in the past, and for a number of reasons failed, except in PSU cabling where flexibilty and insulation are a prime consideration. Cabling for my pre and 4 poweramps will owe me about $20, and I still have lots left on the spools.

Dr Malcolm Hawkesford (Essex University) has written a good, but heavy in maths paper on cables, analysing them from first principles, and solid core is one of the recommendations drawn from it. My use of solid core predates my knowledge of this paper by several years after a tip I got from a great engineer/diyer.

That said, internal cabling is a small part of the circuit voice, well behind topology and PSU in importance.

Enjoy
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Old 16th December 2002, 06:27 PM   #4
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Thanks guys.

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Old 16th December 2002, 06:48 PM   #5
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fdegrove, maybe you should start that thread, because I'm interested to hear why solid core sounds better. I'm aware of a number of ways in which is different, but I'd like to hear why it is better--some of these differences seem advantageous at audio frequencies.
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Old 16th December 2002, 06:56 PM   #6
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Hawksford couldn't get that paper published in any reputable journal. Draw your own conclusion.

Stranded wire is probably a little better for reliability reasons in an environment where one expects vibration. However, see some of the caveats that Bob Pease pointed out in his excellent book on analog troubleshooting. And I note an old Dyna integrated that I use in my lab, which functions just fine despite 30 years of use. It's done up with solid core.
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Old 16th December 2002, 07:24 PM   #7
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Gavin, I'd use solid. It's just easyer to deal with. Sound wise, I can't hear any difference in wire inside of an amplifier but that doesn't prove anything.

Later
Bruce
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Old 17th December 2002, 12:25 AM   #8
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Default SOLID CORE

Hi,

Tyler,I don't mind at all to start a thread on that...only I and others expressed already what we had to say about it in various
threads here.

May I be as bold as to suggest to do a search on the words "solid core" at the forum?

If you still feel hungry after that,I and no doubt others will be happy to feed you.

Brett,All,

Quote:
I use solid core, except in power cords
That may be true for commercial powercords.(I refer to the legal caveat)

For home use however I recommend you try to replace ALL of your powercords with solid core 2.5mm/AWG? or whatever the size you have running inside your walls, twisted wire and sit down and listen.
Don't forget any distribution strips etc.

And please do report back.

Cheers,
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Old 17th December 2002, 01:15 AM   #9
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Has anyone ever tried Litz wire for this kind of thing? It works great for HF transformers.
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Old 17th December 2002, 01:31 AM   #10
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Default DONE THAT...

Hi,

Litz wire is pretty much open to your definition of it I guess.

I don't know for the rest of you but I've seen it in both solid core and mutistrand weaves and all kinds of differnt pattern weaves too.

Often it does get too capacitive for me.
Some SS amps already baulk at the mere sight of it sooo...

Ciao,
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