FCC INTERFERENCE STATEMENT:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inter- ference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interfer- ence will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encour- aged to try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and the receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

EC Declaration of Conformity

for Model PLX, DCA, and CX Professional Power Amplifiers

Including the models PLX1202, PLX1602, PLX2402, PLX3002, PLX3402, DCA1222, DCA1622, DCA2422, DCA3022, DCA 3422, CX032, CX502, CX702, CX902, CX1102, CX302V, CX602V, and CX1202V.

QSC Audio Products, Inc., decalres as its sole responsibility that the above named products are in compliance with the Council Directive 89/336/EEC on the harmonization of the laws of the Member States relating to electromagnetic compatibility, as well as requirements of the harmonized product standards EN55103-1:1997 (Emissions) and EN55103-2:1997 (Immunity), which include:

EN55013, EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN61000-4-8, AND EN61000-4-11.

QSC Audio Products, Inc., further declares as its sole responsibility that the above named product is in compliance with the Council Directive 73/32/EEC of 19 February 1973 on the harmonization of the laws of the Member States relating to electrical equipment for use within certain voltage limits and the Council Directive 93/68/EEC of 22 July 1993 which amends the previously mentioned directive, as well as requirements of the harmonized product standard EN 60065, related to safety requirements for mains operated electronic and related apparatus for household and similar general use.

Manufacturer:

QSC Audio Products, Inc.

 

1675 MacArthur Blvd.

 

Costa Mesa, California 92626

 

USA

Signed: Patrick H. Quilter, VP/Engineering; David W. Ishmael, Sr. Sustaining Engineer

Date: 1 September 1999

Year of marking:

98

 

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QSC Audio DCA 1222 EC Declaration of Conformity, Reorient or relocate the receiving antenna, Manufacturer, MacArthur Blvd
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DCA 1222 specifications

The QSC Audio DCA 1222 is a powerful digital amplifier designed for professional audio applications. Known for its reliability and performance, the DCA 1222 is ideal for live sound, installations, and touring environments. This amplifier offers a seamless blend of advanced technologies and user-friendly features, making it a top choice among audio engineers and sound professionals.

One of the standout features of the DCA 1222 is its robust power handling capability. With a power output of 2,200 watts, it can drive a variety of speaker systems, making it versatile enough for different setups. The amplifier provides two channels, allowing for flexible system configurations. Each channel can deliver a solid 1,100 watts at 4 ohms, ensuring powerful audio output without distortion.

The DCA 1222 employs QSC’s exclusive PowerWave technology, which optimizes performance and efficiency. This technology ensures that the amplifier runs cool, even under high load, which is crucial for prolonged usage in demanding environments. Additionally, the Class D circuitry contributes to the lightweight design of the amplifier, facilitating easy transport and installation.

In terms of connectivity, the DCA 1222 comes equipped with a comprehensive array of input and output options. It features both XLR and TRS inputs, making it compatible with a wide range of audio sources. The output connectors are designed to work seamlessly with various speaker systems. Moreover, the amplifier includes a gain control for each channel, allowing users to fine-tune the audio levels according to the specific needs of their setup.

Built-in processing features enhance the overall functionality of the DCA 1222. It includes a selection of comprehensive crossovers, limiters, and equalization options, allowing for precise sound shaping. This level of control helps ensure optimal performance in different acoustic environments.

The amplifier also features an intuitive front-panel LCD display, providing real-time feedback on performance metrics such as output levels, temperature, and protection indicators. This user-friendly interface simplifies monitoring and allows for quick adjustments during live events.

In summary, the QSC Audio DCA 1222 is a powerhouse amplifier equipped with advanced technologies, high power output, extensive connectivity options, and user-friendly features. Its design and capabilities make it a reliable choice for professional audio applications, ensuring exceptional sound quality and performance in any setting.
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