Connections

Normal Connection

The LF-4115 has barrier strip screw termi- nals for connection. The terminals accept up to #10 AWG (5.3mm2) stranded loud- speaker wiring. Use the largest wire size and shortest wire length possible for a given installation. Observe the polarity markings and keep polarity consistent throughout the system for best perfor- mance.

Parallel Connection of Second LF-4115

The terminals marked OUTPUT may be used to connect another LF-4115 in paral- lel. Connect the wires as shown in the illus- tration, at right.

Normal Connection Example:

Parallel Connection Example:

Amplifier capable of driving 4 ohm loads

Amplifier capable of driving 2 ohm loads

Page 2
Image 2
QSC Audio user manual Connections, Normal Connection, Parallel Connection of Second LF-4115

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.