JBL GC1单18英寸高性能超低音音箱专为酒吧、夜总会和音乐餐厅设计，这些场所对扩声、现场演出及出色低频响应有较高要求。
JBL GC1配备一个18英寸双音圈低音驱动单元，具有长冲程能力和高功率处理能力，可实现低频下潜深、力度强劲的低频重放，且失真极低。采用Differential Drive®技术及磁隙钕磁铁锥盆设计，可改善散热、减轻重量、扩展冲程能力和增强低频性能，从而满足严苛应用的要求。
JBL GC1全新设计了音箱内部结构，采用“波罗的海”桦木板材来维持较低的低频性能，并能够承受大动态和高强度输出，是对先进低频响应有较高要求的顶级场馆的理想选择。为增加便利性和多功能性，JBL GC1配备可拆卸的双层脚垫（橡胶+塑料），支持水平和竖直两种方向的堆叠应用。倾斜式接线盒设计使其可紧贴墙壁安装，无需额外的电缆安装空间。NL4 Neutrik Speakon®连接器支持多个音箱环通连接，可轻松实现系统扩展。
目前仅在中国有售。
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| Model Name | Single 18-Inch-High Performance Subwoofer |
| Frequency Range (-10 dB)¹ | 36 Hz - 500 Hz 1: Measurement conducted under half-space (2π) conditions. |
| Frequency Response (±3 dB)¹ | 42 Hz - 150Hz 1: Measurement conducted under half-space (2π) conditions. |
| Rated Input Power³ | 1800 W / 3600 W / 7200 W 3: Testing conducted for 2 hours under pink noise with a crest factor of 6 dB, in accordance with IEC standards. JBL is consistently dedicated to product updates. It integrates new materials, manufacturing processes, or improved designs into existing products without additional notifications. As a result, some of the current JBL products may differ from the descriptions provided in product literature. Unless otherwise stated, these updated products perform equivalently or surpass the original designs in terms of performance or specifications. |
| 额定阻抗 | 8 ohms |
| Sensitivity (1w@1m)¹ | 101 dB 1: Measurement conducted under half-space (2π) conditions. |
| Maximum SPL² | 133 dB continuous average (145 dB peak) 2: The maximum sound pressure level is calculated based on rated power. Peak, unweighted SPL, measured under half-space conditions at 1 meter using broadband pink noise with a 12dB crest factor. |
| 低频驱动单元 | 1 × 18"; 460 mm (18") diameter; 100 mm (4") dual-coil, dual-gap neodymium Differential Drive ® VGC™ driver |
| Box Structure | 18 mm birch plywood, fitted with a handle at each side |
| 网罩 | 1.8 mm thick with acoustically transparent black cloth backing |
| Input Connector | 2 x NL4 Neutrik Speakon® |
| Pin Assignments | Low Frequency: 1+, 1- |
| 尺寸（高 x 宽 x 厚） | 550 mm × 750 mm × 756 mm |
| 净重量 | 57.6 kg |
版本 B,
更新: 4月 2024
版本 B,
更新: 4月 2024
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