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Old 22nd November 2002, 01:02 AM   #1
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Default Sound of Solder Alloys

This is intended to be an extension of another thread concerning The Sound Of Silver, except in this case regarding sonics due to differing solder alloys.
Quote:
Yes, I agree on the above points.
I also reckon that lead and silver do not go well together sonically.
96Tin/4 Silver (96S) solder is fine by my ear, as is SAVBIT Solder (60/38/2 Copper), but I have always found lead/tin solder containing silver to sound overly and un-naturally bright, and to my ear a long term listening additional irritating quality also.
The 96S on first listen sounds a bit dull or something, but on long term listening I find it to be nicely friendly sounding.
The Savbit I find is a cost effective compromise, and very good for pcb reworking.
I also have found standard 60/40 solder from different sources (Aus, European, US, Asian) to sound different also.

Nowadays, Multicore have quite a few lead free alloys, but I have not tried all of them.
So, we are after experiences, opinions and explanations of sonics when using differing solder alloys.

Eric.
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Old 22nd November 2002, 02:16 AM   #2
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Thee are some thermoelectric effects with different solder alloys apparently.

I'm waiting for the day someone begins selling audio gear with the line that the flux in the solder it is made with is from tree sap (it still is isn't it?) that came from trees someone spent time talking to, therefore the trees are more contented leading to a superior sound.
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Old 22nd November 2002, 09:52 AM   #3
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Default There are some thermoelectric effects with different solder alloys apparently.

Any junction of dissimilar conductors will constitute a Fermi junction won't it ?.
Not sure how alloys fit in this - anybody ?.

Anybody here with opinions of their favoured solder ?.

Eric.
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Old 22nd November 2002, 10:01 AM   #4
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Default Homegrown......

Quote:
Originally posted by Circlotron
Thee are some thermoelectric effects with different solder alloys apparently.

I'm waiting for the day someone begins selling audio gear with the line that the flux in the solder it is made with is from tree sap (it still is isn't it?) that came from trees someone spent time talking to, therefore the trees are more contented leading to a superior sound.
Is Prince Charles an audiophile ?.
I've read that he talks to his plants, and other vegie growers swear by it too.
I don't understand how they can eat them after forming such a fond relationship with their crop - a bit like eating a pet chicken or pet pig perhaps.

Eric.
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Old 22nd November 2002, 10:41 AM   #5
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soon somebody will begin to make resistors
with connection wires (leads) that are made by silver.
why settle for copper, if you are into high end (read: high money/high status)

wouldn't surprise me, if somebody already does this
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Old 22nd November 2002, 11:18 AM   #6
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The audio version of OS-CON capacitors have leads of OFC at
least. Of course, one cannot help wondering if there is any point
at all to this as long as other components do do not have OFC
leads, the PCB does not use OFC and the solder joints are as
they are.
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Old 22nd November 2002, 12:51 PM   #7
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I thought these days all copper was OFC, as it's easier to roll and stretch (less brittle)?
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Old 22nd November 2002, 12:57 PM   #8
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It seems to me that it only makes sense if all the wiring from microphones to loudspeakers is made of pure silver, or at least OFC, and all is soldered with the correct sonically alloys. Oh, donít forget the mains. Hopefully your favourite singer has pure silver vocal chords then also, mounted with the correct solder alloy.



LOL (sorry canít help)
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Old 22nd November 2002, 01:56 PM   #9
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Default Keep It On Track....

Let's keep all from going off subject, and no derogatory naysaying smart **** stuff thanks.

Frank and I are serious about this subject, and keen to hear some objective, subjective and reasoned observations and discussions here.

Eric.
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Old 22nd November 2002, 04:24 PM   #10
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Default SOLDER

Hello guys,

I see the cynics have had their say already....

Quote:
I thought these days all copper was OFC, as it's easier to roll and stretch (less brittle)?
In fact quite the contrary is true.
The purer the metal the more brittle it will get.
One good reason for not buying your silverwires from a jeweler since they need high tensile strength to work it.
Thought I'd set it straight.

For soldering silver correctly you NEED to use solder that contains at least a couple of % silver.
If it doesn't the joint will not be made effectively.
Also it is best practice not to use contacts of differing metals.
(Eric mentioned it already so caveat emptor.)

This is not just my recommendation but an industrial one: manufacturers state this.

Other points to consider are melting point and type of flux it contains.
Silver solder is handled at different temperatures than copper solders so ideally one has to adjust for it by using more heat and time for it to melt and bond properly.

More to follow,
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