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Loudspeaker/Driver wattage handling with <8ohm.

M

MZKM

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When a company says that their 4 or 6 ohm loudspeaker or driver handles say 100W, is that 100W at the nominal impedance, or 8ohm? To further illustrate, if Seas sells a tweeter that’s 4ohm and handles 50W, is that 50W into 4ohm (only 25W into 8ohm) or is that 50W into 8ohm (100W into 4ohm)? Would be a lot less confusing if they rated it in Vrms.
 
DonH56

DonH56

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Normally it is rated powered into specified nominal impedance. So, a 4-ohm driver rated at 50 W should withstand 14.142 Vrms.

HTH - Don
 
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