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Originally Posted by tonez735 One major cautionary note!!! Before running an amp at what you THINK is 1 ohm, make sure that the subs are really dual 4 ohm and not actually 3.5 or something. This is how most of these amps get fried!!! |
pretty much all subs will measures quite a bit below 'rated load'. under real world conditions the nominal impedance goes up substantially when the coils heat up... and most amps are quite cabable of pushing the lower load when the coils are still cool (or in the case that they don't heat up much)
most 4ohm coils will read about 3 ohms using a multi meter and measured nom. impedance will only be a couple points up from that.....
