VI. TECHNICAL ASSISTANCE & SERVICE

Only a qualified technician should service your QSC product. There are no user serviceable components inside the unit and the risk of electric shock exists. Also, some components in your unit may require specific QSC replacements.

Technical Assistance

If you suspect that your SPA-3 is defective, check your system configuration and SPA-3 settings to determine the origin of the problem. Incorrect audio interfacing, poor cabling, or other system-level defects are the most frequent causes of problems in audio systems. For technical assistance beyond the scope of this manual, contact QSC Technical Services. We also offer comprehensive service manuals for many QSC models; contact us for details.

Factory Service

If your SPA-3 needs factory service, contact QSC Technical Services for return instructions. We will issue you a Return Authorization (RA) number for each unit. QSC cannot be responsible for products that are returned without an RA number.

Product Return Guidelines

1. Pack the product well for protection during shipment. Upon request, QSC will provide a factory shipping carton and packaging free of charge.

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

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

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

5. Ship the product prepaid to QSC Technical Services at the address listed below. We recommend United Parcel Service (UPS).

QSC Technical Services

1665 MacArthur Blvd.

Costa Mesa, California 92626 USA

Web:

www.qscaudio.com (product info and support)

 

www.qscstore.com (service and accessory sales)

E-mail:

tech_support@qscaudio.com

Telephone:

(800) 772-2834 (USA only)

 

 

+1

(714)

957-7150

 

 

+1

(714)

754-6175

Fax:

 

+1

(714)

754-6173

Bulletin

Board:

+1

(714)

668-7567

Qualified Service Centers

For your convenience, QSC maintains a network of qualified service centers. If you wish to take your QSC product to a local service center, you may call QSC Technical Services for a referral for one near you. However, accessories, input modules, and other peripheral QSC products must be returned to the QSC factory for service.

International Servicing

For service on QSC products purchased outside of the United States, contact the distributor or dealer in the country where the product was originally purchased. In many countries, the distributor or dealer may also refer you to a qualified service centers. QSC Technical Services can help you contact the distributor in your country.

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QSC Audio SPA-3 VI. Technical Assistance & Service, Technical Assistance Factory Service, Qualified Service Centers
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SPA-3 specifications

QSC Audio SPA-3 is an innovative power amplifier designed to meet the demanding needs of modern audio applications. With its compact design and advanced technology, the SPA-3 offers a powerful solution for professional audio engineers, venue operators, and like-minded enthusiasts.

One of the standout features of the SPA-3 is its versatility. This three-channel amplifier has a power output of up to 300 watts per channel at 4 ohms, making it suitable for a range of applications from small venues to larger installations. The SPA-3 can be used in various configurations, including stereo, mono bridge, or even as a multi-channel solution, allowing users to tailor their audio setup to their specific requirements.

The SPA-3 utilizes advanced Class D technology, ensuring high efficiency and low power consumption while still achieving impressive sound quality. The lightweight design not only simplifies transportation and installation but also minimizes heat generation, leading to enhanced reliability during extended use. The amplifier incorporates QSC’s proprietary DSP, which enables users to take advantage of features such as customizable EQ settings, delay adjustments, and limiter functions to optimize audio performance for any environment.

Connectivity is another strong point of the QSC SPA-3. The amplifier is equipped with balanced XLR and 1/4-inch TRS inputs, as well as binding post speaker outputs, providing flexibility for various audio sources and speaker types. Additionally, the amplifier features a comprehensive front-panel interface, which includes status LEDs for power, signal, and clipping indications, allowing users to easily monitor performance and troubleshoot any issues.

Durability is a hallmark of QSC products, and the SPA-3 is no exception. The amplifier is housed in a sturdy, rugged chassis designed to withstand the rigors of live performance and installation environments. It also features comprehensive protection circuitry, including over-temperature, short-circuit, and DC protection, ensuring both safety and longevity for the unit and connected speakers.

In summary, the QSC SPA-3 is a powerful, versatile, and efficient amplifier suited for a variety of professional audio applications. With its advanced Class D technology, customizable DSP features, flexible connectivity options, and robust design, the SPA-3 stands out as an exceptional choice for anyone looking to elevate their audio experience.
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