LF-4115 产品规格 ( 如有改变恕不另行通告 )

 

频率范围:

33 - 1200 赫兹 (-6dB)

 

 

29 - 3000 赫兹可用范围 (-10dB)

 

标称覆盖范围:

1000 赫兹时 100°水平 X 100°垂直

 

最大输出:

127.0 dB SPL 计算峰值, 1 米,半间距,在额定 rms 功率带 6 dB 振幅因子粉红噪音输入,35 - 1000 赫

 

兹。

 

 

 

121.0dBA SPL 计算最大连续,1 米。通常使用 dBA 尺以确定会造成永久听力损失的声源。

阻抗:

标称 4 欧姆

 

 

 

最小 4.3 欧姆,160 赫兹

 

 

最大 40 欧姆,22 赫兹

 

最大输入功率:

400 瓦 rms (6 dB 振幅因子粉红噪音 8 小时,40 - 400 赫兹 )

 

 

600 瓦 rms (6 dB 振幅因子粉红噪音 2 小时,40 - 400 赫兹 )

 

 

推荐放大器功率 -

1100 瓦 rms 最大到 4 欧姆 ( 每 LF-4115)

 

灵敏度:

93.5dB 半间距,92.0dB 全间距,35 - 1000 赫兹,1 瓦,1 米

 

推荐处理:

次音速过滤低于 30

赫兹, 每八度音程大于 18 dB 最大推荐分频频率为 1000

赫兹。从

 

www.qscaudio.com 网站可获得 QSC DSP 的配置情况。如有要求即可获得替换处理硬件的参数

连接器:

阻挡带螺旋式终端接受高达 #10 AWG (5.3mm2) 绞合式布线。四个终端 ( 两个 INPUT 和两个并行

 

OUTPUT)。

 

 

变频器:

15” (381 毫米 ) 高效低频变频器通风式 4” (100 毫米 ) Kapton? 线圈架上的铜音圈。高偏移 / 低

 

失真设计,带超高功率处理,以及低温和端口压缩。

 

机罩:

类似的 B4 对齐,端口机罩带全喇叭形端口,低紊乱对称端口设计,调整为 36

赫兹,由中密度纤

 

维板和重型支撑构成。 具有防破坏低音喇叭安装螺丝的特点。

 

尺寸:

30”(宽)X 18”(高)X 20”(深)(762mm X 457mm X 508mm)

 

重量:

96 lbs. 运输,83

lbs. 净重 (44/38 kg.)

 

 

 

SPL 和阻抗 vs. 频率

 

SPL(dB)

SPL 2pi

 

(欧姆)

SPL 4pi

 

 

 

阻抗

 

 

 

 

 

阻抗

 

频率 (Hertz)

Page 19
Image 19
QSC Audio LF-4115 user manual Output。

LF-4115 specifications

The QSC Audio LF-4115 is a significant development in the realm of professional audio, particularly notable for its performance in low-frequency applications. Designed for concert venues, clubs, and other live sound applications, it promises to deliver robust bass response, meeting the demands of both musicians and sound engineers alike.

One of the standout features of the LF-4115 is its high-efficiency woofer, engineered to provide exceptional sound quality. The LF-4115 employs a 15-inch, cone driver that is purpose-built for low-frequency reproduction. With a power handling capacity of up to 800 watts continuous and 3200 watts peak, this subwoofer ensures that even the most powerful sound systems can achieve the deep, resonating bass that audiences expect.

Technologically, the LF-4115 utilizes state-of-the-art design principles. It features a bass-reflex enclosure, allowing for an optimized airflow that enhances the speaker’s overall performance. This design minimizes distortion and maximizes output, producing clear and powerful low frequencies that can fill large spaces. The cabinet is constructed from durable birch plywood, providing not only strength and stability but also acoustic properties that support excellent performance.

The LF-4115 is also equipped with a dual port design, which further aids in achieving the desired low-end extension and response. This feature helps to reduce air turbulence, ensuring cleaner bass notes even at high volumes. Additionally, the subwoofer includes built-in handles for easy transport and setup, making it a practical choice for touring professionals.

In terms of connectivity, the LF-4115 is versatile enough to integrate seamlessly with a variety of sound systems. It comes with dual Neutrik Speakon inputs, allowing for secure connections and daisy-chaining with other subwoofers or speakers. This flexibility makes the LF-4115 an attractive option for users looking to customize their audio environments.

Overall, the QSC Audio LF-4115 excels in providing high-quality low-frequency sound reproduction, making it a valuable asset for both live sound applications and fixed installations. With its powerful woofer, robust construction, and intelligent design, the LF-4115 stands as a testament to QSC's commitment to audio excellence, catering to the needs of professionals in the industry.