美国 JBL JRX118S 单18吋超重低频音箱扬声器

　　JBL JRX118S 单18吋全频扬声器

　　JR×118S由一个巨大的、采用3″音圈的JBL18"低音扬声器驱动，额定功率（连续功率）为350W，峰值功率为1400W。这是根据JBL的100小时苛刻测试确定的。我们已开发了一套dBx DriveRack PA扬声器控制器，这个控制器让你可从JR×118S获得的激励性能。

　　频率范围：38Hz-300Hz

　　频响范围：55Hz-300Hz

　　灵敏度：96dB

　　峰值功率：1400W/4Ω

　　额定功率：350W/4Ω

　　声压级：127dB

　　体积：597×516×559mm

　　重量：32.2kg

　　JBL JRX118S

　　The JRX118S is a 1x18 in. compact (passive) subwoofer, rated at 1400 watts peak power capacity and 350 watts continuous. It includes a newly designed JBL 18 in. woofer with a cast frame and 3 in. voice-coil.

　　About the JRX100 Series

　　JBL designed the new JRX100 series for cost-conscious musicians, DJs and other users of live sound reinforcement speakers. All full-range models feature Neutrik Speakon and 1/4 in. input connectors. JRX100 cabinets are constructed of carpet-covered, 3/4 in. MDF -- a material that is structurally and acoustically superior to the particleboard that is used by many competitive products. To minimize distortion, heavy gauge wire is used for inductors and SonicGuard high-frequency driver protection guards against damage caused by inadvertent overpowering of the system. The JRX115 and JRX112M's innovative, new dual-angle pole socket allows them to be mounted in either a conventional, vertical position, or with a 10 degree down angle. By aiming the speaker down, you get more even audience coverage and reduce the destructive acoustic reflections from walls. JBL constructs the JRX enclosures with advanced adhesives and closely mechanically spaced fasteners, not just glue. They use non-resonant, all metal handles, and an 18-gauge, full metal grille. All JRX100 models have passed the same 100-hour, full rated-power torture test that JBL high-end touring systems must survive.

　　Technical Info

　　Frequency Range (-10dB): 38Hz - 300Hz

　　Frequency Response: (3dB): 55Hz - 300Hz

　　Sensitivity (1W/1m): 96dB SPL

　　Nominal Impedance: 4 Ω

　　Power Capacity (continuous, 100-hour power test): 350 Watts

　　Peak Power Capacity: 1400 Watts

　　Recommended Amplifier Power: 350 Watts to 700 Watts into 4 Ω

　　Recommended Crossover Settings: 30Hz HPF, 24dB/octave; 80 – 100Hz LPF, 24dB/octave

　　Maximum SPL: 127dB

　　Dimensions: 23.5 x 20.3 x 22 in. (597 x 516 x 559mm)

　　Weight: 71 lbs. (32.2 kg)

　　Low Frequency Driver: JBL 2043-G

　　Input Connector: Neutrik Speakon NL-4 (x2); 1/4 in. TS phone jack (x1); parallel