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Old 29th April 2008, 07:27 AM   #1
sr2002 is offline sr2002  India
diyAudio Member
Join Date: Jul 2005
Location: india
Default Car Subwoofer for Home theatre

helo guys ... its been a while since i logged on to this forum.

The thing is i live in india and here where i live i am not able to find any good quality subwoofer drivers ...

So i was wondering if the car subwoofers can be hooked up with an amp that i built using Lm3886's ... ?

To breif u guys ... i have built the above amp using a 10amp trafo and two separate circuit boards of lm3886 in parallel.. and each board has a 2 lm3886's in bridge config....
Right now im using the amp a stereo amp ... so is it possible to further bridge these two channels ... so that they can drive these large subwoofers ?

If not which amps can u suggest to drive it ... and that are simple to built ... ?

these are the two subs in my mind...

JBL GT4-12

Frequency Response 28Hz - 450Hz
Sensitivity 93dB
Impedance 4 Ohms
Voice-Coil Diameter 50mm
Cut-Out Diameter 283mm
Mounting Depth 161mm
Overall Diameter 311mm
Vas 100.45 liter
Qts 0.43
Fs 24.75Hz
Qes 0.46
Qms 6.46
Sealed Enclosure (vol) 28L
Vented Enclosure (vol) 64L

Sony Xplod XS-L124P5B
Woofer Size (cm)
Enclosure / Single Voice Coil
Peak Power (W)
Rated Power (W)
Weight (kg) approx
Approx. 4.5kg
Impedance (ohm)
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Old 29th April 2008, 08:39 AM   #2
sr2002 is offline sr2002  India
diyAudio Member
Join Date: Jul 2005
Location: india
A request to the Moderators .... Please close this thread ... i wanted to post this in Subwoofers forum ... but by mistake i posted it here
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Old 29th April 2008, 04:28 PM   #3
jol50 is offline jol50  United States
diyAudio Member
Join Date: Nov 2007
I would not recommend the sony for home theater. I have one 12 in a recommended sealed 1.15 cf and stuffed full, but it is peaky at 50Hz and would not sound well in home. I'm not confident that a different enclosure would fix it. It works great on bass tracks but not so good on music.
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