Best Answer: No. The insulation for speaker wire is usually not rated for 120 volts. 70 volts is the highest level you'll ever see for audio.
Most bronze is made out of a mixture of copper and tin. However, some modern versions of bronze substitute the zinc for aluminum, manganeseor zinc.
-Editor. The difference to me, as a chemist in my former life, is that bronze is mainly copper plus tin (not zinc) in various proportions, and brass is mainly a copper-zinc alloy. For example, cartridge case (brass) cents contained zinc, and thereafter both tin and zinc (like the early bronze small cents).