MGO Posted April 9, 2023 Posted April 9, 2023 A rare combo of original JBL drivers, diaphragms, horns and stand mounts. Will consider selling separately. Drivers: 2451 1.5" exit with 2441 16 ohm diaphragms. Measure 8.5 and 8.6 ohms. Much better for hifi than titanium. Extended highs to 20kHz with a bit of eq. Horns: JBL 2352. 90x50 with 630 to 20kHz range. Key Features c Optimized ApertureTM horn design provides very low distortion at high sound pressure levels c Mid-format horn family provides uniform on and off axis frequency response from 630 Hz to 20 kHz c Controlled horizontal dispersion in 90° x 50°, coverage patterns c 38 mm (1.5 in) throat entry JBL models 2352, 2353, and 2354 are medium format elements of JBL’s preeminent family of Bi-Radial® horns, providing uniform coverage control over the bandwidth of 630 Hz to beyond 18 kHz, allowing precise control of critical vocal range energy. These medium format horns provide extremely low distortion at typical peak sound pressure levels of 139 dBSPL at 1m. Optimized Aperture The clear and uncolored sound character of the 2350 Series horns is accomplished by coupling the compression driver phase plug to a unique horn throat geometry, resulting in the elusive combination of extremely low throat distortion with high air movement capability. These horn designs were verified through the use of advanced technology, including finite element analysis, boundary element analysis and extensive computer modeling via proprietary JBL horn design software. Professional Series Components and Accessories The 2350 Series of horns were designed to be used exclusively with either the 2447 or 2451 compression driver. The 100 mm (4 in) diaphragm for this driver utilizes a three-dimensional diamond pattern surround and a pure titanium diaphragm for rigidity and freedom from breakup modes. With its 150 watt continuous program rating above 1 kHz and optimized phase plug design for low distortion, smooth response and wide bandwidth, it matches with the 2350 Series horns for high sound pressure level applications. The 2510 mounting bracket is recommended for suspension of the horn/driver combination. The 2510 installs between the horn flange and driver providing multiple pickup points. c 2352, 2353, 2354. Original JBL fibreglass. I added Dynamat to the back for damping. Small ding in one corner. See pic JBL 2509A Mounting Bracket Makes mounting and adjustment of a cinch.
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