New 18” JBL SUB18 High Output Studio Subwoofer For Groundbreaking Bass | audioXpress
Realhorns Soundsystems - The "beloved" JBL 2269 double voice coil, double magnet system 18” woover is used. It is the best and most beautiful speaker. for the range from 30Hz to 60Hz,
Ahuja DX12-F200/DZ12-F200 PA Speakers
Recone Kit for JBL JRX118S JRX118SP 18" Subwoofer SS Audio Speaker Repair Parts | eBay
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JBL 2269H - ported or passive? Need a little help... | AVS Forum
JBL 2269H 18" Low Frequency Transducer 354096-001X - Speaker Exchange