Page - 8 | Operator Manual – MQX Series Equalizers | |
|
|
|
Safety Instructions – 3
Introduction - 4
MQX Equalizers – 5
Connectors & Cables – 5
Physical Description - 6
Installation – 7
Typical Applications - 8
General Tone Control
Feedback Control
Console Equalization
Room Equalization
Troubleshooting - 9
Dimensions - 9
Specifications - 10
Warranty - 11
Typical Applications
The following information will help you make the most of your new equalizer:
General Tone Control
The graphic equalizer is a very useful device for general tone shaping because it is intuitive and easy to adjust. The visual reference provided by the slider position gives an approximate idea of the frequency response generated, with the lower frequencies on the left and higher frequencies on the right. To use the power of an equalizer effectively, you need to translate your idea of the tone you want to produce into a range of numerical frequencies. This is simple after a little practice. Here are a few references which are useful for starting points:
Very low bass (the “wind” in a kick drum, almost felt as much as heard
The low register of a male voice - 200Hz
The low register of a female voice - 350Hz
Lower midrange (“warmth” frequencies) -
Upper midrange (“harshness”, snare drum “bite”, “hot” sound)
Sibilance (“sss” sounds, cymbal “sizzle”) -
Try using these starting points as a guide when you want more or less of these types of sounds. Adjust by ear from there. It is always a good idea to remember that a little equalization usually works out much better than a lot, and that there are many audio problems which can not be solved with equalization alone.
Feedback Control
A graphic equalizer can be used to provide some control over moderate feedback problems, but does not have enough flexibility or resolution to handle severe situations. You will achieve the best results when you can eliminate one or two feedback points by setting one or two sliders for no more than a 6dB cut. Often you can find a feedback point by boosting sliders in succession to determine which frequency ranges contain the feedback modes, and then cutting those ranges. Be very careful in this process to avoid explosive feedback and possible system and hearing damage. If you find feedback points with many equalizer bands, cutting every band may not help (all you will do is reduce system gain). The combination of a graphic equalizer for tone control and a parametric equalizer for feedback control is highly recommended.
Console Channel Equalization
Many mixing consoles provide only simple equalization for individual channels. If your console has channel inserts, you can patch your graphic equalizer into a channel requiring more precise equalization.
Large Room Equalization
Large rooms tend to suffer from multiple reflections with long time delays, long reverberation times, and “ringmodes”, all of which lead to reduced intelligibility and a generally “muddy” sound. As sound travels long distances through the air, high frequencies are attenuated more than low frequencies. In general, large rooms benefit from some low frequency
Copyright© 2006 – Ashly Audio Inc.