![]() New computer modeling allowed superior performance from all area's.Īnd of course keeping JBL's " continued improvement " mantra meant that each newer Since the 1.5 horns are essentially throat-less, and the phase plug is right at the exit, So Nd drivers ( then the cones ) became the new norm. Large touring systems had a hard time meeting response, distortion and of course, To address the nagging throat cancellation / HF roll off that the 2" driver/horn combo's Now of course many prototypes and other applications must of been usedīut this is what was generally disclosed and marketed by JBL.ĭuring this time the new generation horn design / size ( 1.5" ) was being introduced There is a good article on this but cannot find it right now. The internally shielded 475 as used in the flagship K2Īnd the 2450 as used in the last gen Concert series. ![]() The first Nd driver was a combination effort: Someone find unlabeled drivers secondhand.Ī bit of history ( as far as I can remember ). Neodymium drivers here, and have labeled them so it's an easy view should Had a unique chance to get a group picture of the entire generation of JBL 4" coil ![]()
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