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Old 22nd September 2013, 02:45 PM   #1
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Default Best solder and wire for Pass diy amplifiers ?

Hi Experienced diyers
I have ready on the table pcb's for F4,F5 and AlephJ amps with components but first timer like me esitate about choice to make for
pure and solid connections on pcb with solder
and between psu,rca,speakers with wire.
My questions is:
Your prefered solder is?
Silver,silver with gold,copper,leaded ,leaded free etc???

Your prefered wire for connections pcb's and psu,pcb's and rca
pcb's and speakers outs?
Solid core wire ,stranded,shielded,teflon,diameters please etc???

Hope Yours response bring help for newbies like me

Thanks
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Old 22nd September 2013, 05:07 PM   #2
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For example my find is from Swiss compagny some 10% silver solder no copper

Silver Solder - 10% Ag

and cryo silver wire

Silver Wire

ready for isolate with teflon or cotton.
Not easy choice so many foo priced like jevelery diy shops
but what in practic work and audio specyfications sound good ?
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Old 22nd September 2013, 05:43 PM   #3
AndrewT is offline AndrewT  Scotland
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copper wire
eutectic 63/37 solder.
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Old 22nd September 2013, 05:56 PM   #4
Zen Mod is offline Zen Mod  Serbia
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there are so many nice pictures of open original FW thingies

look at various threads , same as on 6moon tests/articles

list here : FIRST WATT REVIEWS

so - take a good look at pictures and use your brain , along with eyes

use proper industrial quality solder (Fluitin , for instance ) , 0,7-1mm dia

anything else is fifi mumbo jumbo

and yes - use 0,1mm dia silvered copper wire for input signal wires ......
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Old 22nd September 2013, 07:07 PM   #5
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Is higher heat required for silver solder mentioned above?
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Old 22nd September 2013, 07:16 PM   #6
tinitus is online now tinitus  Europe
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for the non experienced I think 60/40 lead solder might be easier to handle

quality is not a question of which solder, but first and most a matter of final result

copper wire, just ordinary copper
and use the size that gives a neat result
look at connection points, and decide in each case what will be easy to do

its not meant to look like a fight
if it looks good it also sounds good
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Old 22nd September 2013, 08:13 PM   #7
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For AndrewT
Eutectic 63 tin % 37 lead is preffered because it goes
directly from a solid to liquid state when melted(fragment from definition)
Strong point+up
Thanks AndrewT

For Zen Mod
Yeah!
Not jumbo stuff be necessary industrial solder like Flutin
be corosion protected and i belive this industrial guys have tested
them very strictly one+up
Great First Watt amps inside photos is a gold mining for dia yes.
I can learn lot about top quality class A circuit.
But please stop me a dream ZM
What gentlemans with shield wire and magnetic radiation
from Antek transformers
Its useful shield wire
Thanks for share first hand experience
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Old 22nd September 2013, 08:19 PM   #8
Zen Mod is offline Zen Mod  Serbia
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as AndrewT always sez - twist them , tight

however , I'm always finding amusing to put shielded mains wire , from back of amp to xformer

shield connected on upper ( at back plate ) side only

you can find proper shield in old VGA cables ( plenty dead CRTs around)

so - if you organize amp guts as seen on FW pics , no need for xformer shielding

though , if you find proper ham or beans can in local shop , eat it

then put it , but do not touch central bolt with it (which means very probable bzzzzzzzzpufff )
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Old 22nd September 2013, 09:01 PM   #9
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"however , I'm always finding amusing to put shielded mains wire , from back of amp to xformer

shield connected on upper ( at back plate ) side only

you can find proper shield in old VGA cables ( plenty dead CRTs around)
put it , but do not touch central bolt with it
(which means very probable bzzzzzzzzpufff )"
Thanks Zen Mod

Right i make it this in my diy amp
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Old 22nd September 2013, 09:04 PM   #10
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Solid core wire or stranded one for audio signals?
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