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GD12
l 系统类型：2分频2单元全频后倒相式
l 额定功率：450W
l 最大功率：900W
l 标称阻抗：4 OHMS
l 推荐放大器额定输出功率：600W—1000W@8 OHMS
l 标称灵敏度（1W@1m）：97dB
l 最大声压级：124dB@450W(127dB@900W)
l 频率带宽：55Hz—18KHz +/-6 dB
l 标称指向性（-6dB）：90°H×60°V
l 换能器配置：高频驱动器1.4″（210*210mm单元36mm音圈 钕磁）×1
低频驱动器12″(300mm单元75.5mm音圈 钕磁) ×1
l 分频模式： 被动式两分频
l 连接器：SPEAKON NL4×2 (PIN1+/2+POS PIN1-/2-NEG)
l 箱体材质：15mm（0.6″）高品质夹板
l 颜色：默认为黑色环保水性喷涂，可按要求订制其他颜色
l 产品尺寸：W374.2mm*D390mm*H590mm
l 重量(净重/毛重每只) ：19.7kg
l 参考应用领域：适合多功能厅、礼堂、报告厅、会议室、等固定安装
System type: 2-division 2-unit full-frequency post-phase inversion
Rated power: 450W
Maximum power: 900W
Nominal impedance: 4 OHMS
Recommended amplifier rated output power: 600W - 1000W@8 OHMS
Nominal sensitivity（ 1W@1m ）：97dB
Maximum sound pressure level: 124dB@450W ( 127dB@900W )
Frequency bandwidth: 55Hz - 18KHz+/- 6 dB
Nominal directivity (- 6dB): 90 ° H × 60°V
Transducer configuration: high-frequency driver 1.4 ″ (210 * 210mm unit 36mm voice coil neodymium magnet) × one
Low frequency driver 12 ″ (300mm unit 75.5mm voice coil neodymium magnet) × one
Frequency division mode: passive two-frequency division
Connector: SPEAKON NL4 × 2 (PIN1+/2+POS PIN1-/2-NEG)
Box material: 15mm (0.6 ″) high-quality plywood
Color: the default color is black environment-friendly water-based spraying, and other colors can be customized according to requirements
Product size: W374.2mm * D390mm * H590mm
Weight (net weight/gross weight each): 19.7kg
Reference application field: suitable for fixed installation of multi-function hall, auditorium, lecture hall, conference room, etc