JBL 2416H Compression Driver
A one-inch throat driver that spent decades inside JBL's pro and performance-series boxes, doing the unglamorous work.
Overview
The 2416H is a JBL transducer that most listeners have heard without ever learning its name. It is a compression driver - a high-frequency motor that bolts onto a horn - and JBL's own literature ties it to a surprising spread of systems.
That is a lot of different jobs for one driver. The 2416H is a workhorse. It turns up in install and performance boxes, not in the walnut-veneer home speakers that get the collector attention.
Even so, the gauge table exists for a reason, and a 2416H owner should confirm fitment before ordering a diaphragm.
The 2416H also found its way into JBL's coaxial loudspeakers. Sound and Communication (March 1991, p.42) noted that JBL's then-new 15-inch and 12-inch coaxials, the 2155H and 2152H, both contained the 2416H. They were positioned as a lower-priced challenge to the established 604-style duplex. That helps anyone trying to date or identify a 2416H pulled from a cabinet: it did not only live in horns and performance boxes, it also sat at the center of JBL's coaxial install speakers.
The driver's most visible modern application, at least in the enthusiast press, was in kit loudspeakers. HiFI-Stereo (1998, p.173) described a three-way kit design using the JBL 2416H as a titanium-diaphragm midrange alongside a pair of 3 x 7-inch horn tweeters, with midbass and midrange controls and a 400 W rms power rating. The following year, HiFI-Stereo (1999, p.161) covered a Model 695 three-way symmetrical-array kit, sold as a kit for $1,399 per pair or with an assembled cabinet for $1,799 per pair. It was again built around a titanium-diaphragm midrange and 3 x 7-inch horn tweeters, this time rated at 600 W rms with crossover points at 400 Hz, 2 kHz, and 10 kHz. So the 2416H was available to DIY builders and small manufacturers, not only to JBL's own cabinet shop.
In the collector imagination, the 2416H is not a trophy. It is a component. It has no chrome, no wood, no badge. Its value is functional: it is the part you need when one of the coaxial install boxes loses its high end. That is a real and growing problem for owners of those systems, because the supply of correct replacement diaphragms is finite and the narrow-gap question adds uncertainty to every repair. The driver itself is straightforward, a compression motor with a titanium diaphragm. The headaches are in the ecosystem around it.
For anyone cataloguing a 2416H, the identifying marks are the model stamp on the driver body and, ideally, the horn it came attached to. The driver is small, dense, and unremarkable to look at. That is why so many of them got separated from their horns and cabinets over the decades and now circulate as bare components with no provenance.
That anonymity is both the 2416H's curse and its charm. But it is the driver that made a whole tier of JBL's working loudspeakers function, and for the people keeping those systems alive, it is the part that matters most.
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