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 SC-412 specifications Intervalo de frecuencias, Procesamiento, Recomendado

SC-412 specifications

The QSC Audio SC-412 is a high-performance loudspeaker designed specifically for professional audio applications. With its robust construction and advanced technologies, it delivers excellent sound quality, making it a popular choice for live performances, installations, and event spaces.

One of the standout features of the SC-412 is its powerful driver configuration. It includes two 12-inch direct-radiating woofers that provide deep, punchy bass response, complemented by a 1.75-inch exit compression driver mounted on a high-frequency horn. This configuration ensures a wide frequency range, enabling the SC-412 to reproduce everything from subtle vocal nuances to explosive rock guitar riffs with clarity and depth.

A key technology used in the SC-412 is QSC's proprietary Directivity Matched Transition (DMT) design. This advanced engineering approach ensures consistent directivity across the frequency range, providing even sound coverage in various acoustic environments. As a result, audiences experience a balanced and immersive listening experience, regardless of their position in the venue.

The cabinet construction of the SC-412 further contributes to its performance. It is built from durable, ply-birch wood and features a rugged finish, enhancing both aesthetics and durability. The enclosure is designed to minimize resonance, delivering accurate sound reproduction while ensuring that the cabinet itself does not color the audio signal. Additionally, the SC-412 includes a rear rigging point, making it easy to install in various orientations, whether flying or on a stand.

In terms of connectivity, the SC-412 features both speakON and binding post connectors, offering versatility for various setups and ensuring compatibility with a wide range of amplifiers and mixers. The loudspeaker's nominal impedance of 8 ohms allows for flexible system design and configuration.

The QSC Audio SC-412 is an excellent choice for audio professionals seeking reliability and performance. Its advanced features, like the DMT design and high-quality components, make it suitable for demanding applications in both live sound and fixed installations. With its ability to deliver powerful, clear, and consistent audio, the SC-412 stands out as a versatile solution for sound reinforcement needs. Whether used for concerts, corporate events, or permanent installations, it delivers the quality and reliability that audio professionals have come to expect from QSC.