The JBL / Selenium ST302-D is a Super Tweeter for outstanding detail and clarity in high frequencies without harshness. The ST302-D may be used individually in lower power systems or arrayed for increased coverage and SPL in higher power systems. The bullet shape horn design offers a longer throw 40 x 40 ° dispersion. The cast aluminum housing is stable and durable. The phenolic annular diaphragm is long lasting, cost effective and more natural sounding than metallic diaphragms. A precisely engineered diaphragm structure and alignment mechanism for easy, reliable, cost effective repair in case of diaphragm failure. Features: Power handling: 50 W RMS / 100 W maximum Nominal impedance: 8 ohms Voice coil diameter: 46 mm Frequency response: 3500 - 20,000 hz SPL: 108 dB 2.8 V / 1 m DC resistance: 6.1 ohms Voice coil winding length: 2.9 m Voice coil winding depth: 2.2 mm Sound dispersion (H x V): 40 x 40 ° Diaphragm material: phenolic Flux density: 1.7 T Volume displaced by tweeter: 0.7 L Magnet weight: 440 g Net weight: 1500 g Connectors: push terminal Front baffle cutout diameter: 109 mm Depth: 90 mm Magnet diameter: 102 mm Magnet height: 14 mm
