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Best type of solder for audio quality - Page 2

post #16 of 21

I've got the following on my table:

RadioShack 60/40

Kester 60/40

Kester 63/37

Cardas Quad

 

Those are listed in reverse preference order.

post #17 of 21
Quote:
Originally Posted by Lil' Knight View Post

That would make more sense if you could find a PCB maker that can offer silver traces :~)


ExpressPCB's RoHS process uses 99% silver. It's still copper underneath, but it may make sense to use silver-bearing solder like the common 62-36-2 eutectic blend for such boards.

post #18 of 21

Tangent speaks the truth.

In industrial process, the boards have very thin copper

on them before they are etched. Saves on copper and time.

Then they are plated back up to whatever thickness is required.

They can be plated in any coating the customer requires; tin,

silver bearing tin, silver, gold, unobtainium (if you can afford it)

or whatever else they have up their sleeve.

Other than the copper layer, most of the more exotic stuff is

plated on after the solder mask is applied so only the exposed

pads are plated with silver, gold or unobtainium.

post #19 of 21

olso use cardas solder, never had any problems with it. Totally unaudible

post #20 of 21

 

 

wink.gif

 

post #21 of 21
I know this is an old thread but jewellers solder and solder paste seems to have the higher silver content they reckon your average silver solder paste has 5% solder content biggrin.gif
Edited by laughingbuddha - 5/1/14 at 7:05am
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