Speaker Power

Harold Dye · From: Cullman, Alabama, USA

Different brands of speakers have different power ratings. What is the difference in the construction of speakers that make some more powerful than others. Example..JBL D-130 vs Blackwidow 1501. Is it advancement in technology, the way the speaker is constructed, the size of magnet, the materials they are made of...What?

Lynn Oliver · From: Redmond, Washington USA * R.I.P.

The power rating depends on the ability of the voice coil to dissipate heat. This is determined by such things as the surface area of the coil, temperature characteristics of the insulation and epoxy, air flow around the coil, and thermal conductivity of the metal components. The first two items listed are the most significant.

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