How to Use This Manual

This manual is divided into the following sections describing the various functions of and applications for the DEQ230. While it's a good idea to read through the entire manual once carefully, those having general knowledge about audio equipment should use the table of contents to look up specific functions.

Chapter 1: Quick Start Guide. If you're already familiar with equalization, this will get you started using the DEQ230 right away. It's a short guide to the essential elements of hooking it up and using it for the first time.

Chapter 2: Connections. This section gives detailed instructions for connecting the DEQ230 to a variety of typical audio systems.

Chapter 3: Basics of Equalization. This section explains what an equalizer does and explains the function of each of the controls.

Chapter 4: Applications. Skip to this section for tips on using the DEQ230 in a variety of settings.

Chapter 5: Program Charts. Here you will find the names for all 60 Factory Programs, with a brief description of each and a small graphic representation of the front panel settings.

Chapter 6: Troubleshooting. Near the end of the manual you will find troubleshooting tips and a complete list of the DEQ230’s specifications.

Helpful tips and advice are highlighted in a shaded box like this.

The names of specific buttons on the DEQ230 are printed in a bold font and bracketed: i.e., the [BYPASS] button.

When something important appears in the manual, an exclamation mark (like the one shown at left) will appear with some explanatory text. This symbol indicates that this information is vital when operating the DEQ230.

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Alesis DEQ230D manual How to Use This Manual

DEQ230, DEQ230D specifications

The Alesis DEQ230 and DEQ230D are sophisticated digital equalizers designed for audio professionals seeking precision in sound control. Equipped with advanced features and innovative technologies, these units cater to a variety of applications, from live performances to studio recordings.

Both models include a powerful 31-band graphic equalizer, allowing users to sculpt their sound with incredible accuracy. The DEQ230 and DEQ230D offer extensive frequency coverage from 20 Hz to 20 kHz, ensuring that all audible frequencies are managed effectively. The 1/3-octave resolution facilitates fine adjustments, enabling sound engineers to target specific problem frequencies within the mix.

One of the notable characteristics of the DEQ230 series is its dual-channel operation. The DEQ230 provides individual equalization for two separate channels, making it an excellent choice for stereo setups or multi-channel applications. The DEQ230D takes this functionality even further by incorporating digital connectivity, allowing for seamless integration with digital audio systems and enhancing flexibility in various setups.

In terms of technology, the DEQ230 and DEQ230D utilize state-of-the-art digital signal processing (DSP) to deliver high-quality audio performance while minimizing latency. These models feature comprehensive output level control and provide precise metering through LED indicators, which allows sound engineers to monitor levels easily while adjusting the EQ settings.

Moreover, both equalizers come equipped with a variety of memory presets. This feature enables users to save and recall specific settings, streamlining the workflow during live events or studio sessions. The intuitive interface ensures ease of use, with clearly labeled controls that facilitate quick adjustments on the fly.

Alesis has also prioritized durability in the design of the DEQ230 and DEQ230D. The robust construction and rack-mountable chassis make them ideal for both touring and permanent installations. Additionally, the inclusion of balanced XLR and TRS inputs and outputs guarantees compatibility with professional audio gear while minimizing signal degradation.

Overall, the Alesis DEQ230 and DEQ230D represent valuable tools for any audio professional, offering precision, versatility, and robust performance in a compact design. Their combination of advanced features and user-friendly interface makes them an excellent investment for enhancing sound quality in any audio environment.