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Old 19th June 2014, 06:35 PM   #1
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Default Best wire for passive pre?

I've just lashed together a Stereo Coffee LDR assive pre whilst waiting for a chassis to arrive. I've used 1.5mm solid core mains cable and it sounds god, is easy to bend out of the way of each other and ok to solder. When I build it properly what type should I use, the connectors just take the solid core but I think multistrand woud need to be a finer gauge...
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Old 19th June 2014, 06:54 PM   #2
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0.1mm dia bobbin wire
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Old 19th June 2014, 08:07 PM   #3
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Find some solid Cat3 or Cat5 cable.
Or older solid 4 conductor/core phone/intercom cable.
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Old 19th June 2014, 08:35 PM   #4
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Parts Connexion Connex (DH Labs made) solid silver cable is not outrageous for a minimal passive pre amp. Another good one is silver ( or sop over plated copper) wire in Teflon jacket from wire suppliers sold at Farnel etc will work well too.

Last edited by ticknpop; 19th June 2014 at 08:38 PM.
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Old 19th June 2014, 08:58 PM   #5
AndrewT is online now AndrewT  Scotland
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Tinned copper is good for signal wiring.
Two are needed for the connection.
Twist them for minimal interference pickup.

Choose whatever insulation suits you: enamel, PVC, PE, PTFE (if you can tolerate the handling inteference), one bare and one insulated?
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Old 20th June 2014, 10:54 AM   #6
maxw is offline maxw  United Kingdom
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I just cut up cat 5/5e/6 network cables and use those.
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Old 20th June 2014, 12:23 PM   #7
DF96 is offline DF96  England
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If it is in a metal box then you can use almost anything which conducts electricity. If not, use screened/shielded wire i.e. coax. You can spend as little or as much as you wish on the wire; it will make no difference whatsoever to the sound unless lack of screening leads to hum or interference pickup.
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Old 20th June 2014, 12:25 PM   #8
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It'll be in a metal box soon. Can I leave it wired with solid core then

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Old 20th June 2014, 12:32 PM   #9
AndrewT is online now AndrewT  Scotland
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There is nothing wrong with solid core.
All wires and all traces are solid cores.
The bit that changes is the thickness of the solid core.
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Old 20th June 2014, 12:47 PM   #10
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Fair comment suppose I meant with a 1.5mm solid rather than multistrand

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