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-   -   Polk Audio Sub? (http://www.diyaudio.com/forums/subwoofers/94641-polk-audio-sub.html)

samsagaz 20th January 2007 02:04 AM

Polk Audio Sub?
 
Hey guys, i have an Polk MOMO subwoofer (4 ohsms) that i removed from my car is possible to use it in my house as subwoofer for my music and HT?

infinia 20th January 2007 11:39 AM

Yes, but you should pair them with a power amp that can drive low ohms with high current. Most cheap modern HT amps won't do that well.
Do you have T/S specs?

samsagaz 21st January 2007 01:25 AM

Resonant Frequency 31 Hz
Qms 13.66
Qes .54
Qts .52
Vas 2.25 cu.ft. / 63.71 L
Bl 14.2 Tesla Meters
Sd 80.39 sq.in. / 518.6 sq.cm
Xmax (linear) .37 in / 9.5 mm
Xmax (mechanical) .75 in / 19 mm
Le 2.42 mH

infinia 22nd January 2007 02:20 PM

Hi
Thanks,
Qts > 0.4 means closed or sealed enclosure.

So WinISD program shows sealed box 70 liters with Qs = 0.71 and F-3 dB around 41 - 44 Hz


So, should sound great for music, but not the best for action movie soundtracks.
Regards,

samsagaz 22nd January 2007 02:51 PM

oh, ok, so need to found another driver :(


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