Changing to thicker speaker wire . Bigger difference ?

[CasualKiller]

Here's your scientific study, and just an FYI these guys main source of income is designing electrical prototypes for everyone from Motorolla to NASA, and analyze electrical and magnetic fields for prototypes.

Here's the main company:

http://www.analysisplusinc.com/


And the cable research:

http://www.analysis-plus.com/design_whyhollow.html

http://www.analysis-plus.com/design_whitepaper.html

And just an FYI all copper is not the same, it has over 350 commercial compositions.