Will this amp set-up work?

I currently have a system but no power to it (no amp). I have 2 Type R coaxial speakers surrounded by front door (150 watts rms each - 300 watts total) And I also want to power a Type R 12" sub (500 watts rms) So I know I need a 4ch. amp. So my queston is: if the amp puts out influence 250 watts x 4 channels (a) 2 ohms and 150 watts x 4 channels (a) 4 ohms - can i line my sub (since it has 2 coils) in parallel and run 2 channel bridged to it so it gets 500 watts rms - and then can i run the other 2 channel seperatly to each front door speaker (a) 4 ohms so they will get 150 watts rms respectively. tell me if this should work? thanks

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yeah .. it will work fine .. you can bridge 2 channel and run the other separate.. i have done that .. it would depend on the amp .. but most amps will handle it set up.

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Answers:    you can run the two channel seperatly to each front door speaker. thats fine. but the the only style you would be able to bridge a sub to the other 2 channels would be if the sub be a dual 2 ohm voice coil sub. alpine type r subs typically come in dual 4 ohm but you can get them within dual 2.
if it is a dual 2 ohm you will be able to wire the sub surrounded by series and when you bridge it it will run the amp at a 2 ohm load
you can still run the dual 4 ohm sub if you wire it contained by series also but you will only run the amp at 4 ohms that way. which within that case the amp will severly underpower the sub and possibly damage it.
yeah .. it will work fine .. you can bridge 2 channel and run the other separate.. i have done that .. it would depend on the amp .. but most amps will handle it set up.

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