New subwoofer not load!!!!

[Robpevfai]

I got an Image Dynamics ID12 D2 V.3 subwoofer in a 1.5 cuft sealed box. Bridged on a 4 channel precision power ppi 900.4. The sub just is not deep or loud and can not figure out why it isnt. The amp has a switch for stereo or 4 channel but the sub dosnt work in 4 channel only in stereo, but its still not loud. More bass comes from my 6.5. If you need any more information let me know. Thanks

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[massivespl]

Does ur amp have a lpf? Cuz u need it on lpf to get some bass, also that's a sq sub and that's hardly any power for it. It's not going to be super loud, but my guess is u either have it wired out of phase/ u have it on hpf instead of lpf,

 

[Robpevfai]

My amp has lpf. What does wired out of phase mean.

 

[cas0586]

Subwoofer coils need wired in series to four ohms and bridged at the amplifier using the R(+) and L(-). LPF at ~80Hz. It is a 250W RMS subwoofer not sure how punch you are expecting? Should be louder than your 6x9s though.

 

[Robpevfai]

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[Robpevfai]

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---------- Post added at 02:18 PM ---------- Previous post was at 02:18 PM ----------

 

That is how the sub is wired. Is there something on the headunit i need to do?

 

[Robpevfai]

I wasnt expecting car shaking but to be aware that there was a sub present i can hardely tell i have a sub.