Ohm question

 

swissahouse
Unregistered guest
is the lower the ohm you use the lower amount of power you use
such as 100rms@4ohm uses more power than a 100rms@1ohm
if so how much is the difference?
 

Bronze Member
Username: Need4bass

Post Number: 30
Registered: Oct-05
The lower the load (ohm) that an amplifier sees, the more current it will draw. You typically get a higher output (more watts) from an amp driving a lower load (ohm) at the expense of lower dampening factor, increased current draw (which also means more heat) and a somewhat higher distortion rating (which is hard to notice below 200Hz or so). Just be sure to match the impedance (ohm load) of the speakers to that of the amp.
 

swissahouse
Unregistered guest
i know about all the matching and wiring configurations and all that.

im just asking simply if i have a (example) 100rms@4ohm amp will it take double the power to run 100rms rather than an amp running 100rms@2ohm

i ask this because when i run my amp at 2 ohms a channel it doenst blow my 50A main fuse but when i run both subs at 4 ohms and bridge my amp it blows the fuse easy

allthough need4bass thank you for helping me
but why would the amp drop ohms and use current when it could just run more current at 4 ohms
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