RMS on multiple subs..please help

 

Bronze Member
Username: Capulina6

Post Number: 13
Registered: Apr-04
ok im a little confused about this so please if anyone could help, ok if my amp is pumping 800 watts RMS... then 1 sub would get the full 800 watts right? but if I put two subs on it will it divide the watts by two so each would only get 400 watts RMS??
 

Bronze Member
Username: Dan3

Post Number: 68
Registered: Feb-04
if you match the impendence(talkin bout ohms here), then yes
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 2639
Registered: Dec-03
not always rick.

depends on the load, and the amp.
example: JL slash series amps put out the same power regardless of load, so then yes, no matter what you throw at the amp between 1.5 and 5 ohms, it puts out the same power.. so a 500/1 would be 500w to one sub, or 250w each to two subs.

however, most amps aren't regulated that way so if you have an 800 watt @ 2 ohm amp, and one 4 ohm sub, that'd be 400w to the sub, and adding a second 4 ohm sub would make a 2 ohm load, giving 400w to each sub for a total output of 800w.

try www.bcae1.com
tells all about calculating load and output.
it's all about Ohm's Law
 

Bronze Member
Username: Capulina6

Post Number: 16
Registered: Apr-04
thanks alot guys, this helps a lot
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