CP Series

Setting Subwoofer Level correctly in your PA System

Subwoofers are great solutions to extend the low frequency performance of your PA system, and there are three aspects to consider carefully when setting up a subwoofer. In the following order. Subwoofer Placement If subwoofers are used in many portable and installed PA applications to enhance the overall listening and performance experience, their placement in … Read More

What Causes Loudspeaker Hum and Hiss and How to eliminate it

If you are familiar attending any type of live show, concert or performance using PA loudspeakers, you will most likely also agree that loudspeakers’ humming, hissing or buzzing noise can quickly ruin a performance. This article reviews each of the common causes of audible (and irritating) loudspeakers’ hum and hiss, and discusses effective strategies to … Read More

Practical Tips on Loudspeaker Placement for Live Sound (Part I)

QSC loudspeakers are well-known to provide high-performance, accurate reproduction of audio sources in a wide range of applications. However, unlike a controlled studio environment, the real world provides myriad challenges to achieving sonically-pleasing results with QSC or any other loudspeaker. The conditions created by room shapes, ceiling heights, the presence of acoustically reflective or absorptive … Read More

QSC Directivity Matched Transition technology explained

In the history of professional audio, the introduction of QSC Directivity Matched Transition® (DMT™) technology has been one of those ‘lightbulb moment’ innovations that forever changed how audiences experience sound. In order to fully grasp its benefits, and why DMT is foundational to QSC loudspeaker design, let’s start with some fundamentals of the physics of … Read More

What are the differences between passive, active and powered loudspeakers?

Whether you’re listening to live music in a club, to a film soundtrack at the movie theater, or enjoying some tunes while wearing headphones, the sound you’re listening to is reproduced by loudspeakers. Everyone understands that. Now, designing loudspeakers, which produce sounds that are accurate and enjoyable, can be done in a few different ways. … Read More

What is Comb Filtering and how to avoid it

Have you ever had an experience at a live event, like a concert or a show, where the sound seemed thin, lacking in punch and dynamics, or with a disturbing phasing effect as you moved around? If the sound system was comprised of a number of loudspeakers either stacked or placed side by side, or … Read More