Home Speaker Asylum

General speaker questions for audio and home theater.

RE: How do you measure a speaker cones surface area?

Yes!! first answer nailed it. Effective piston area witch does not include the surround or frame. My Visaton bg-20 are 8" drivers but the effective piston area is 33.17 square inches not 50.24.

My friend said only 50% of people would get it right I said 80%


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