Especificaciones del sistema LF-4115 (sujetas a cambio sin previo aviso)

Intervalo de frecuencias:

33 - 1200 Hertzios (-6dB)

 

Intervalo utilizable de 29 - 3000 Hertzios (-10 dB)

Cobertura nominal:

100° horizontal X 100° vertical a 1000 Hertzios

Salida máxima:

Pico calculado de SPL: 127.0 dB, 1 metro, medio espacio, a una potencia rms nominal con entrada de ruido rosa con factor

 

de cresta de 6 dB, 35 - 1000 Hertzios.

 

Máximo calculado continuo de SPL: 121.0 dBA, 1 metro. La escala de dBA típicamente se usa para identificar

 

fuentes de sonido que pueden causar pérdida auditiva permanente.

Impedancia:

4 ohmios, nominal

4.3ohmios mínimo, 160 Hertzios 40 ohmios máximo, 22 Hertzios

Potencia máxima

400 vatios rms (8 horas de ruido rosa con factor de cresta de 6 dB, 40 - 400 Hertzios)

de entrada:

600 vatios rms (2 horas de ruido rosa con factor de cresta de 6 dB, 40 - 400 Hertzios)

 

Capacidad recomendada de potencia del amplificador: 1100 vatios rms como máximo en 4 ohmios (por LF-

 

4115)

Sensibilidad:

93.5 dB medio espacio, 92.0 dB espacio completo, 35 - 1000 Hertzios, 1 vatio, 1 metro

Procesamiento

Filtro subsónico menor de 30 Hertzios, >18 dB por octava, la frecuencia máxima de cruce recomendada es de

recomendado:

1000 Hertzios. Las configuraciones DSP de QSC están disponibles en www.qscaudio.com. Los parámetros

 

para el herraje de procesamiento alternativo están disponibles si así se solicitan.

Conectores:

Los terminales de tornillo de barra protectora aceptan alambre trenzado de hasta #10 AWG (5.3 mm2). Cuatro

terminales: (dos de ENTRADA y dos de SALIDA paralela).

Transductores:

Transductor de baja frecuencia de alta eficiencia, de 15” (381 mm), con bobina de voz de cobre de 4” (100 mm)

 

ventilada, en soportes de Kapton®. Diseño de alta excursión/baja deformación, con un manejo de potencia

 

extremadamente alta, y baja compresión térmica y de puerto.

Caja:

Alineación Quasi B4, caja con puertos totalmente abocinados, diseño de puerto simétrico de baja turbulencia,

 

afinado a 36 Hertzios, construido de cartón duro de media densidad y fuertemente soportado. Tiene pernos de

 

montaje del woofer resistentes al vandalismo.

Tamaño:

30” de ancho X 18” de alto X 20” de profundidad (762 mm X 457 mm X 508 mm)

Peso:

96 libras envío, 83 libras neto (44/38 kg.)

SPL e impedancia en función de la Frecuencia

SPL (dB)

SPL 2pi

Impedancia(ohmios)

SPL 4pi

 

 

 

Impedancia

 

 

Frecuencia (hertzios)

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QSC Audio LF-4115 user manual Intervalo de frecuencias, Procesamiento, Recomendado

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.