Rms and power


Bronze Member
Username: Qup2cit


Post Number: 42
Registered: May-05
if a speakers rms is say 350watts and their rms is 100 watts, what would happen if say i put 160watts rms into them or would they work fine if not better than just giving them 100 watts rms

Silver Member
Username: Scubasteve

Annapolis, MD

Post Number: 145
Registered: May-05
"if a speakers rms is say 350watts and their rms is 100 watts..."

never heard of that before :-)

anyway, i've never seen a more confusing question asked on this forum. please clarify.

Gold Member
Username: Jonathan_f


Post Number: 4256
Registered: May-04
He means a 350 watt peak rated speaker, with a true 100W RMS rating. The 100W RMS rating is thermal, meaning it can withstand the heat of 100 watts of power. Anything above that is risking it, but remember that a 100W RMS amplifiers is only going to produce it for a little while due to the dynamic nature of music. You'll rarely use all that power. That being said, if you're careful not to overdrive the speakers, a 160W RMS amplifier won't hurt a bit.

Bronze Member
Username: Qup2cit


Post Number: 43
Registered: May-05
thanks jonathan, i did mean peak power instead of rms. thanks

Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 7937
Registered: Dec-03
RMS is continuous, or what your amplifier's RMS should not exceed with that speaker.
the peak rating isn't that useful but it's a momentary rating, or how much the speaker can handle for a brief exposure without pretty much cooking.
stick to continuous or RMS ratings for amps and speakers both
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