JBL SUPER HIGH FREQUENCY TWEETER

Super tweeter for outstanding detail & clarity in high-frequencies without harshness. The St400 TRIO may be used individually in lower power systems or arrayed for increased coverage & SPL in higher power systems. The base & diffuser are constructed of aluminum contributes to better heat dissipation of the coil moves, w/finish machining of diamond (diamond tool) & varnished. The bullet-shape horn design offers a longer throw 40 Degrees x 40 Degrees dispersion. The phenolic annular diaphragm is long-lasting, cost-effective & more natural-sounding than metallic diaphragms. The use of high-temperature materials & adhesives improves power handling & produces exceptionally high acoustic output. Together w/magnetic ring of aluminum ensuring a high-definition & efficiency across its fixed playback. Connectors w/quick couplings * Nominal impedance: 8 ohms * Minimum impedance at 9,400 Hz: 7.8 ohms * Frequency response at -10 dB: 4,000 to 20,000 Hz * 40 x 40 degrees sound dispersion * Recommended maximum program power while using crossover at 8000 Hz: 300 Watts * Recommended maximum program power while using crossover at 5000 Hz: 200 Watts * Diaphragm material: Phenolic * Voice coil diameter:.42 (1.6) mm (in)