GT5-12 | Quality 12 inch Single Voice Coil (SVC) Subwoofer
JBL GT5-12 Subwoofer, 300 mm von JBL, http://www.amazon.de/dp/B0017P0OQM/ref=cm_sw_r_pi_dp_NWYmsb05M735K | Elektronik, Massiv
GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
Baguio Auto Sound Set-up (BASS) - JBL GT5-12 12" subwoofer single 4ohms; 275watts RMS 1100watts peak | Facebook
JBL GT5-2402BR Ported enclosure with two 12" GT5 subwoofers at Crutchfield
In the making, 4th order bandpass to house a JBL GT5-12. Removable/Interchangeable... - Fat Sound Customs - Specialist Custom Built Bass Box Subwoofer Enclosures | Facebook