QSC Audio LF-4115 user manual Contacting QSC Audio Products, Disclaimer

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Warranty (USA only; other countries, see your dealer or distributor)

Disclaimer

QSC Audio Products, Inc. is not liable for any damage to amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product.

QSC Audio Products 3 Year Limited Warranty

QSC Audio Products, Inc. (“QSC”) guarantees its products to be free from defective material and / or workmanship for a period of three (3) years from date of sale, and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use - provided the unit is returned to our factory or one of our authorized service stations via pre-paid transportation with a copy of proof of purchase (i.e., sales receipt). This warranty provides that the examination of the return product must indicate, in our judgment, a manufacturing defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation, or where the date code has been removed or defaced. QSC shall not be liable for incidental and/or consequential damages. This warranty gives you specific legal rights. This limited warranty is freely transferable during the term of the warranty period.

Customer may have additional rights, which vary from state to state.

In the event that this product was manufactured for export and sale outside of the United States or its territories, then this lim- ited warranty shall not apply. Removal of the serial number on this product, or purchase of this product from an unauthorized dealer, will void this limited warranty. Periodically, this warranty is updated. To obtain the most recent version of QSC’s war- ranty statement, please visit www.qscaudio.com. Contact us at 800-854-4079 or visit our website at www.qscaudio.com.

Contacting QSC Audio Products

Mailing address:QSC Audio Products, Inc. 1675 MacArthur Boulevard

Costa Mesa, CA 92626-1468 USA

Telephone Numbers:

Main Number (714) 754-6175

Sales & Marketing (714) 957-7100 or toll free (USA only) (800) 854-4079

Customer Service(714) 957-7150 or toll free (USA only) (800) 772-2834

Facsimile Numbers:

Sales & Marketing Fax(714) 754-6174

Customer Service Fax(714) 754-6173

World Wide Web:www.qscaudio.com E-mail:info@qscaudio.com service@qscaudio.com

QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA ©2004 “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office.

Kapton® is a registered trademark of E.I. du Pont de Nemours and Company.

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Contents LF-4115Low Frequency Loudspeaker Introduction MacArthur Blvd., Costa Mesa, CA, 92626 USAConnections Normal ConnectionParallel Connection of Second LF-4115 Normal Connection Example Parallel Connection ExampleConnectors Which can cause permanent hearing lossImpedance Ohms nominal Upon requestContacting QSC Audio Products QSC Audio Products 3 Year Limited WarrantyDisclaimer Equipo Derechos de autor 2004, QSC Audio Products, IncConexiones Conexión normalConexión en paralelo de un segundo LF-4115 Ejemplo de una conexión normalProcesamiento Intervalo de frecuenciasRecomendado Renuncia de responsabilidad Cómo comunicarse con QSC Audio ProductsGarantía limitada de 3 años de QSC Audio Products MacArthur Blvd., Costa Mesa, CA Branchements Branchement normalBranchement en parallèle dun second LF-4115 Exemple de branchement normalTraitement recommandé DimensionsPlage de fréquence ImpédanceAvis de non-responsabilité Pour contacter QSC Audio ProductsQSC Audio Products Garantie limitée de 3 ans MacArthur Blvd., Costa Mesa, CA, 92626 USA Normaler Anschluss VerbindungenParalleler Anschluss des zweiten LF-4115 Impedanz EmpfindlichkeitEmpfohlene Verarbeitung AnschlüsseHaftungsausschluss Kontaktaufnahme mit QSC Audio ProductsBeschränkte Dreijahresgarantie durch QSC Audio Products LF-4115 低频扬声器 第二个 LF-4115 并联 OUTPUT。 保修 (仅限美国;其它国家,请联系您的经销商或分销商)

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.