APPENDIX A: WARRANTY & DISCLAIMERS

DISCLAIMER

QSC Audio Products, Inc. is not liable for any damage to speakers, amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of the SF-1 Subwoofer Filter.

PRODUCT WARRANTY

QSC Audio Products, Inc. guarantees the SF-1 Subwoofer Filter to be free from defective material and/or workmanship for a period of three 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 via prepaid transportation with proof of purchase (sales receipt). This warranty provides that examination of the returned product must disclose, in our judgment, a manufacturing defect. This warranty does not extend to any product which has been subject to misuse, neglect, accident, improper installation, or where the date code has been removed or defaced.

APPENDIX B: TECHNICAL ASSISTANCE & SERVICE

Servicing your unit requires a trained technician capable of performing the type of service you need. There are no user serviceable components inside your unit and the danger of electric shock exists. Additionally, some of the components in your unit are QSC specific parts that require QSC replacements. Comprehen- sive service manuals for some models are available at QSC.

TECHNICAL ASSISTANCE

If you suspect that your amplifier is defective, check your system configuration and amplifier settings to determine the origin of the problem. In many cases, incorrect audio interfacing, poor cabling, or other system level impairments are the cause of problems in audio systems. For technical assistance beyond the information given in this manual, the QSC Technical Services department may be contacted.

FACTORY SERVICE

In the event that your amplifier does need factory service, you may reach the QSC Technical Services department for return instructions. A Return Authorization (RA) number must be obtained from the QSC Technical Services department. QSC may not account for products that are returned without a Return Authorization number.

Product Return Guidelines

1.Pack the product well for protection during shipment. QSC will provide the factory packaging free of charge upon request.

2.Include a copy of the sales receipt, your name, return address, phone number, and defect description with your return correspondence.

3.Call the QSC Technical Services department for a Return Authorization number.

4.Mark the Return Authorization number on the outside of the packaging.

5.Ship the product prepaid to QSC Audio Products. We recommend United Parcel Service (UPS).

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QSC Audio SF-1, SUBWOOFER FILTER owner manual Appendix a Warranty & Disclaimers
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SF-1, SUBWOOFER FILTER specifications

QSC Audio SF-1 Subwoofer Filter is an innovative solution designed to enhance the audio experience in various settings, from live events to permanent installations. Tailored especially for installations that involve subwoofers, this filter serves a critical role in optimizing low-frequency performance, ensuring clarity, punch, and depth in the audio output.

One of the primary features of the SF-1 filter is its adjustable cut-off frequency. This allows sound engineers and users to fine-tune the filter settings according to their specific acoustic environment and preferences. Whether being used in a club, theater, or concert hall, the flexibility to set the cut-off frequency enables optimal integration with other system components, allowing for seamless sound reproduction.

The SF-1 is engineered with cutting-edge technologies that help reduce distortion and enhance the overall fidelity of low-frequency sound. Utilizing advanced digital signal processing (DSP), the filter can accurately manage the dynamics of low-end audio, resulting in a more controlled and impactful low-frequency response. This is particularly beneficial for subwoofers, as it prevents muddiness and ensures that bass notes remain clear and distinct even at high volumes.

Another notable characteristic of the QSC SF-1 is its robust build quality, which is essential for both touring and fixed installations. The unit is designed to withstand the rigors of regular use while maintaining reliable performance. Its compact size makes it easy to integrate into various setups without occupying excessive space.

Additionally, the SF-1 offers intuitive controls, making it user-friendly for both seasoned professionals and those new to sound engineering. The interface provides clear indicators for settings, allowing quick adjustments during live sound scenarios or installations.

In conclusion, the QSC Audio SF-1 Subwoofer Filter stands out as a powerful tool for managing low-frequency sound. Its adjustable cut-off frequency, advanced DSP technology, robust build, and user-friendly interface combine to create a versatile solution for any audio application. By ensuring enhanced audio clarity and performance, the SF-1 filter continues to be a valuable asset in the professional audio community, elevating the listening experience across various environments.
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