Does it matter for everyday use?įor everyday, average listening and low or moderate power levels, it’s not really a problem and you’ll be fine. This means it will take a larger CCA wire size to get the same power handling, capacity, and resistance of real copper wiring. You won’t get the same performance at the same wire gauge. The problem is that aluminum wire has only 61% (39% more resistance to the flow of electrical current) of the conductivity of copper wire. Sure – from the outside you’ll see the copper finish and it looks the same…but is it really? Unlike pure copper wire, copper-clad aluminum is based on an aluminum wire core with a thin copper plating. Why CCA wire falls short compared to copper Sadly, these days it’s very common to not know what you’re getting for your money and manufacturers can be misleading. on the packaging, it’s most likely CCA wire. TIP: If a roll or package of speaker wire does not say “copper” or “100% copper” etc. This means if you’re not aware you could be using wire that’s not sufficient – or even get ripped off! Over the last few years, the price of copper has gone up, resulting in some common things like speaker wire being substituted with non-pure copper wire without telling you! In fact, you’d need very sophisticated lab equipment to even prove any difference at all! Heads up! Copper vs copper clad aluminum (CCA) speaker wire differencesīecause of what I’ve seen in stores and how they’re different, I felt it was important to talk about copper vs copper-clad aluminum (CCA) wire. As long as you’re using a good quality wire with the correct gauge you’ll be fine. It’s a great marketing feature for retailers but the data shows that there’s an amazingly small difference in performance. No, oxygen-free pure copper wire will not deliver any improvements in sound or power you can even notice. Their power needs are usually very low and don’t require as much power.
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