QSC KW Series KW122 User Manual

Pages 28

Year 2010

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QSC KW Series KW122 Specification

The QSC KW Series KW122 Loudspeaker is a high-performance audio solution tailored for professional sound reinforcement applications. This loudspeaker features a 12-inch woofer and a 1.75-inch compression driver, delivering a robust total power output of 1000 watts via a Class D amplifier. The KW122 is designed to offer exceptional clarity and sound quality, with a frequency response ranging from 50 Hz to 20 kHz, ensuring a rich and dynamic audio experience.

Constructed with a durable birch plywood enclosure, the KW122 is built to withstand the demands of both portable and installed applications. It is equipped with Directivity Matched Transition (DMT) technology, which ensures uniform coverage by matching the coverage angle of the woofer and the horn, resulting in a smooth and even sound dispersion across the listening area. The loudspeaker incorporates advanced DSP processing, including Intrinsic Correction techniques, which actively optimize time, frequency, and amplitude response, enhancing the overall acoustic performance.

Connectivity options include XLR and TRS inputs, with a switchable mic/line level, providing flexibility for various audio sources. The KW122 also features an onboard 3-channel mixer, allowing for seamless integration into complex sound systems. This loudspeaker is versatile in its deployment, offering multiple mounting options such as pole-mounting, suspension, or use as a floor monitor.

With a compact design, the KW122 remains portable and easy to handle, making it suitable for a wide range of venues and events. The loudspeaker's ergonomic handles and lightweight construction further enhance its portability. Overall, the QSC KW Series KW122 Loudspeaker combines advanced audio technology with rugged construction to deliver superior sound performance and reliability.

QSC KW Series KW122 F.A.Q.

What is the optimal way to set up the KW122 for live sound reinforcement?

Position the KW122 on a stable surface or mount it on a speaker stand. Connect your audio source to the XLR or TRS inputs. Use the gain knob to adjust the input level, ensuring the LED indicators show a green signal for optimal sound quality.

How can I troubleshoot if my KW122 is not powering on?

First, check the power cable and ensure it is securely connected. Verify that the circuit breaker on the back of the speaker is not tripped. If the speaker still doesn't power on, try a different power outlet. If the problem persists, contact QSC support.

What maintenance steps should I follow to ensure longevity of my KW122?

Regularly clean the exterior with a damp cloth and avoid using harsh chemicals. Inspect the cables and connections for wear and tear. Store the speaker in a cool, dry place when not in use and consider using protective covers during transport.

How do I connect the KW122 to a mixer for optimal sound output?

Connect the mixer's main output to the KW122 input using balanced XLR or TRS cables. Set the KW122 input gain to 0 dB and adjust the mixer's output level to achieve the desired volume. Ensure the mixer’s EQ settings complement the speaker’s natural sound profile.

What should I do if my KW122 is producing distorted sound?

Check the input signal level and reduce the gain if necessary to prevent clipping. Ensure all connections are secure and cables are in good condition. Verify that the speaker's internal DSP settings are configured correctly and reset to factory settings if needed.

Can I use the KW122 for outdoor events, and what precautions should I take?

Yes, the KW122 can be used outdoors. Ensure the speaker is protected from direct exposure to rain or moisture. Use a weather-resistant cover if possible, and avoid placing the speaker in direct sunlight for extended periods.

How can I integrate a KW122 into a larger PA system?

Use the KW122 as either a main PA speaker or stage monitor. For larger systems, connect it to a subwoofer using the KW122's XLR output. Adjust the crossover settings to optimize the frequency balance between the speakers.

What is the best way to transport the KW122 to prevent damage?

Use padded speaker bags or cases specifically designed for the KW122. Secure the speaker during transport to prevent movement and potential damage. Avoid stacking heavy items on top of the speaker.

How can I ensure the best audio quality when using multiple KW122 speakers?

Ensure each speaker is equidistant from the audience area to maintain balanced sound coverage. Use a delay processor if necessary to align sound waves and prevent phase cancellation. Consistently check and adjust the gain levels on each speaker.

What should I do if the KW122 overheats during use?

Turn off the speaker and allow it to cool down. Ensure proper ventilation around the speaker and avoid placing it near heat sources. If overheating continues, check for blockages in the cooling vents and contact QSC support if necessary.