I have 2 mtx 4250d amps and am looking to buy 2 12" subs to run each amp/sub seperate. do i need to get a 4ohm sub or a 2 ohm sub and also do u think 2 alpine type r 12" subs (each sub having 1 4250d amp)is to much for this amp. so when it is all done i will have 2 subs and 2 mono amps (1 each ran seperatly to each sub) will this work or not?
thoes amps are only rated at 125W at 4 ohms, or 250 at 2 ohms. the type R's can take a lot more then that, i think they are 500 rms and 1500 peak, but can't say for sure off the top of my head. so if you went with thoes subs, you'd definally wanna wire them to present a 2 ohm load. the type R's are dual 2 or dual 4 voice coils. you would have to go with the dual 4 ohm version so you could wire the VCs in parallel for a 2 ohm load. that would work, just wouldn't be pushing thoes subs to full potential
The MTX 4250d's birthsheet is around 372wrms @ 2ohms. IF you really wanted to get the Type R's, then you would have to get the dual 4ohm version so you can run it at 2ohms off your amp. Do that with each amp. The amp's will be underpowering your subs so don't get freaky with the gain control. If you plan on using these subs with this amp, use brains and it should work out ok. It's better to have subs matching your amp's rms rating tho....
Thank you guys very much but one more thing just to make sure i got this right... 2 Alpine type R DVC 2OHM subs and 2 MTX TA4501 amps will work out really good? and i will get 500 watts per sub correct? thank you soooooooooooo much you guys were alot of help!!!
MTX TA4501 250 watts RMS x 1 at 4 ohms (500 watts x 1 at 2 ohms)
a alpine 1242D type R = 500wrms , so yea
but if were me like i said above i'd get a 1000wrms @ 1ohm mono amp to power both 4ohms dvc subs . Would be cheaper by far & pull less current too . Only way to tell if your system will be calling for more current -is to get it all hooked up & then check for voltage drops .
if u want me to list some 1000wrms @ 1ohm mono amps - i can post back some models 4 u ........