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General Car Audio
Calculation RMS Power for a Subwoofer... For a woofer which is not built yet. Only design is ready.
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<blockquote data-quote="hispls" data-source="post: 8779625" data-attributes="member: 614752"><p>If this is a production run I would suggest real world testing. Connect woofer to a signal generator, 50hz sine wave. A safe "rating" would be if the speaker will survive this for 8 hours. Once you exceed "continuous" thermal power handling it will fail very quickly.</p><p></p><p>If you rate your subs this way you will know anything that comes back with a burnt coil was abused.</p><p></p><p>As far as mechanical power handling who can say? Put your 15" sub in a 10 cubic foot sealed box tuned to 40hz and try to play it at 10hz and it'll likely break mechanically at under 500W. Build suspension as stiff as you can without sacrificing whatever performance/efficiency/TS parameters you're shooting for. If you're talking about 500W or less rated sub mechanical power handling shouldn't be a big worry, as you go up from 1200W you'll need to consider more that users will do very stupid things with them and then claim it's your fault.</p></blockquote><p></p>
[QUOTE="hispls, post: 8779625, member: 614752"] If this is a production run I would suggest real world testing. Connect woofer to a signal generator, 50hz sine wave. A safe "rating" would be if the speaker will survive this for 8 hours. Once you exceed "continuous" thermal power handling it will fail very quickly. If you rate your subs this way you will know anything that comes back with a burnt coil was abused. As far as mechanical power handling who can say? Put your 15" sub in a 10 cubic foot sealed box tuned to 40hz and try to play it at 10hz and it'll likely break mechanically at under 500W. Build suspension as stiff as you can without sacrificing whatever performance/efficiency/TS parameters you're shooting for. If you're talking about 500W or less rated sub mechanical power handling shouldn't be a big worry, as you go up from 1200W you'll need to consider more that users will do very stupid things with them and then claim it's your fault. [/QUOTE]
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Calculation RMS Power for a Subwoofer... For a woofer which is not built yet. Only design is ready.
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