...silver can transfer more signal compared to copperWith due respect, that is a common misconception. I suspect it originated as a result of misinterpretations of the fact that silver is a slightly better conductor (i.e., has slightly lower resistance) than copper, assuming equal gauges and lengths. With marketing literature written by technically misinformed or insincere people perhaps also being a contributing factor.
Keep in mind that a copper cable will have considerably less resistance than a silver cable of equal length if the copper conductors are simply made one gauge size larger.
Also keep in mind that a copper cable will have less resistance than an identically designed silver cable if the copper cable is shorter than the silver cable by more than about 8%.
Also keep in mind that the effects of a cable's resistance are dependent on the relation between that resistance and the impedances of what it is connecting. Under any reasonable circumstances the resistance of an analog interconnect cable will therefore be of no significance. And the difference in resistance between silver and copper will almost certainly not matter in the case of a speaker cable either, unless perhaps to a very slight degree if the impedance of the speaker is low and the cable length is long and the gauges of the cables being compared are both equal and narrow.
I don't doubt that silver cables tend to sound different than copper cables that are otherwise identical, but contrary to popular belief differences in their resistance and conductance are not the reason, under nearly all circumstances. And, again with respect, references that are sometimes seen to silver being able to "transfer more signal," or being able to transfer "more information," are statements that have no meaning.
Regards,
-- Al