chapter 2 • connections

Connecting to equipment with XLR inputs and outputs:

If you are connecting the PEQ-450 to a product with XLR balanced inputs and outputs, you will need to convert this signal to a TRS balanced connector. Make sure that Pin 2 of the XLR connector is connected to the Tip of the TRS adapter, and Pin 3 is connected to the Sleeve.

Tip: Don't use line transformers: Many XLR-to-1/4" adapters sold at electronics stores are NOT adapters, but transformers (and very low quality transformers at that). Don't use these on the output of the PEQ-450—they're unnecessary and generally sound awful because they don't have the headroom to handle the PEQ-450's output. Get a hard-wired adapter or cable from your professional audio dealer, or make one yourself from components.

Dual Channel Operation

Remember that the PEQ-450 is a dual-channel stereo equalizer. That means that channels A and B can be used as two independent stereo equalizers. It also means that audio from one channel does not affect the other. Remember to plug audio into the Left or Right input of the channel you are using.

PEQ-450 Reference Manual

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Alesis PEQ-450 manual Dual Channel Operation, Connecting to equipment with XLR inputs and outputs
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PEQ-450 specifications

The Alesis PEQ-450 is a powerful equalizer that caters to both professional sound engineers and audiophiles seeking to enhance the sonic quality of their audio tracks. This innovative piece of equipment incorporates advanced features and technologies that set it apart in the crowded market of audio processing gear.

One of the hallmark features of the Alesis PEQ-450 is its dual-channel 31-band graphic equalizer, allowing users to precisely fine-tune their audio output across a wide frequency spectrum. Each channel operates independently, making it an ideal solution for stereo applications where distinct control over left and right channels is essential. The equalizer covers a frequency range from 20 Hz to 20 kHz, ensuring that both low-end and high-end frequencies are addressed, thus delivering a rich and balanced audio experience.

Another notable characteristic of the PEQ-450 is its user-friendly interface, featuring an intuitive layout of sliders that clearly indicate gain adjustments per frequency band. The visual representation of frequency bands allows sound engineers to make quick and effective adjustments in live sound environments, where precision is paramount. Additionally, the unit includes bypass switches for each channel, enabling users to easily compare adjusted sound with the original signal.

In terms of technology, the Alesis PEQ-450 employs high-quality components that contribute to a low-noise operation and a high signal-to-noise ratio, ensuring that your audio remains pristine. The unit also includes a built-in limiter for each channel, protecting against signal clipping and distortion, which is crucial when working with loud audio sources.

The rack-mountable design of the PEQ-450 enhances its usability in studio and live settings alike, making it a versatile tool for audio professionals. The durable construction ensures reliability even in demanding environments, while its lightweight nature adds to its portability.

For connectivity, the Alesis PEQ-450 supports both balanced XLR and TRS inputs and outputs, making it compatible with a wide range of audio equipment. This flexibility allows for easy integration into existing setups, whether it be for live performances, broadcasting, or studio recordings.

In summary, the Alesis PEQ-450 is a feature-rich and technologically advanced equalizer that stands out for its precision, ease of use, and versatility. Whether you are an experienced engineer or a new enthusiast, the PEQ-450 offers the tools needed to achieve exceptional sound quality.
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