LF-4315 产品规格 ( 如有改变恕不另行通告 )

频率范围:

32 - 1200 赫兹 (-6dB)

 

28 - 2800 赫兹可用范围 (-10dB)

标称范围:

125° 水平 X 60°垂直,315 赫兹

最大输出:

136.0 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。

 

130.0dBA 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 5.5 欧姆

 

最小 4.5 欧姆,150 赫兹

 

最大 30 欧姆,22 赫兹

最大输入功率:

1200 瓦 rms (6dB 振幅因子粉红噪音 8 小时,40 - 400 赫兹)

 

1500 瓦 rms (6dB 振幅因子粉红噪音 2 小时,40 - 400 赫兹 )

 

推荐放大器功率 - 2400 瓦 rms 最大到 4 欧姆 ( 每 LF-4315)

灵敏度:

99.0dB 半间距,98.0dB 全间距,35 - 1000 赫兹,1 瓦,1 米

推荐处理:

次音速过滤低于 25 赫兹, 每八度音程大于 18 dB,推荐的最大分频频率为 500 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:

三个 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 34 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 53”(高)X 20”(深)(762mm X 1321mm X 508mm)

重量:

290 lbs. 运输,260 lbs. 净重 (132/118 kg.)

 

SPL 和阻抗 vs. 频率

 

SPL 2pi

 

SPL 4pi

SPL(dB)

阻抗(欧姆)

 

阻抗

 

频率 (赫兹)

Page 19
Image 19
QSC Audio LF-4315 user manual Output。

LF-4315 specifications

The QSC Audio LF-4315 is a powerful and versatile loudspeaker designed for professional audio applications. Ideal for live sound reinforcement, it is particularly well-suited for music venues, theaters, and outdoor events where deep, impactful bass is essential. This model stands out due to its engineered design and advanced technology, ensuring superior performance in various settings.

A notable feature of the LF-4315 is its dual 15-inch low-frequency drivers. These drivers are designed to deliver exceptional bass response and handling, further enhanced by a robust enclosure that minimizes distortion. The LF-4315 promotes efficient sound dispersion, allowing it to fill larger spaces with a rich, full-bodied sound. This is crucial in live environments where maintaining clarity and power across the frequency spectrum is vital.

The LF-4315 utilizes advanced construction materials, contributing to its durability and longevity. The cabinet is made from high-quality plywood, which not only reduces weight for easier transport but also enhances acoustic performance. Additionally, the rugged exterior ensures it can withstand the rigors of touring or installation in various venues.

One of the standout technologies in the LF-4315 is its precision-engineered porting system. This design reduces turbulence and improves airflow, leading to a more efficient bass response. The result is a clean, punchy low end that complements the rest of the audio spectrum without overwhelming it.

Flexibility is key with the LF-4315, as it is designed for both single and dual-use configurations. It can be easily integrated into existing sound systems or used in conjunction with other QSC products to create a comprehensive audio setup. This versatility makes it a popular choice among sound engineers and venue operators alike.

In terms of connectivity, the LF-4315 features standard audio connections that ensure compatibility with a wide range of amplifiers and processors. This ease of integration further solidifies its status as a go-to option for professionals looking to achieve exceptional sound quality without compromising on reliability.

The QSC Audio LF-4315 is a remarkable loudspeaker that combines advanced engineering with practical design. Its main features include dual 15-inch drivers, high-quality cabinet construction, and a sophisticated porting system, all of which contribute to its powerful performance in live sound environments. Whether for a permanent installation or a mobile sound setup, the LF-4315 demonstrates QSC's commitment to delivering unparalleled audio quality.