Review on Car Subwoofer JBL GT-12BP by Mohd Taufik ᠌

The sub is essentially a midbass with increased efficiency achieved due to the increased size of the resonant chambers. A slightly worse result is easily achieved with a 3 times smaller volume on a phase inverter. Honest power is 212 watts. The indicated 300 from the passport is the root mean square power, not the nominal one. The height of the polypropylene speaker cone is almost sufficient to compensate for its bending, but it would be better if it was made of paper, since these resonances are already distinguishable at half the rated power.