I'm going to be preparing my own speaker cables using this guide: http://www.audioholics.com/techtips/setup/interconnects/DIY_speaker_cables.html

1. Does anyone know if it is necessary or beneficial to tin the ends of speaker wire with solder before installing them either into banana plugs or as bare wire?

2. Would this prevent oxidation of the speaker wire?

3. Would it degrade the signal at all?