How to get real wattage

 

Silver Member
Username: Langless28

Post Number: 232
Registered: Dec-04
with a dmm is their any way to see how many watts you sub/speakers are really getting? also i am running alot of fans cus i have a slighly sealed box for my AMPS and they need 12 volts my car runs at like 13.9. is their any way to hook up like aresistor or somthing to the the fans power line to reduce the voltage?
 

Silver Member
Username: Rzarector

Coquitlam, Bc Canada

Post Number: 334
Registered: Dec-04
rephrase?
 

Silver Member
Username: Geekbike

Post Number: 139
Registered: Dec-04
Fans will take an extra 2 volts.
 

Silver Member
Username: Langless28

Post Number: 233
Registered: Dec-04
with a digital multimeter, is their any way to see how many watts a sub/speaker is really gettting?
 

Silver Member
Username: Tdbdrummer

Post Number: 477
Registered: Feb-05
Just get a power meter that is rated high in shown watts. I run on my home stereo up to 200W...what good that does for a car though lol.
 

Silver Member
Username: Byrumjr

Post Number: 308
Registered: Jan-05
To get close with a digital multimeter set to AC volts. Play you system and put the red wire on + and the black wire on the - from the amp that goes to the subs. Take the reading, if you get 23, Then 23x23=529 now divide 529 by the ohms you are running. 23x23=529 divide 4ohms = 132.25 watts. If you are running two sub you have to divide the 132.25 watts. Each sub will be getting 66 watts.
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