The Allen & Heath GL2400 is a professional 4-bus dual-function analogue mixing console, designed for live sound and installation applications․ Known for its robust build and reliable performance, it offers flexibility and precision for audio engineers․
Key Features of the GL2400
The GL2400 offers 4-band EQ, 6 auxiliary outputs, and balanced XLR inputs․ It features 16, 24, 32, or 40 channels, with 4 audio groups and pan control, ensuring flexibility for live sound applications․
Channel Configurations
The Allen & Heath GL2400 is available in multiple configurations, including 16, 24, 32, and 40 channels, making it versatile for various live sound and installation applications․ Each channel features a 4-band equalizer, providing precise tone-shaping capabilities․ The mixer supports both mono and stereo inputs, with balanced XLR connectors ensuring high-quality audio signals․ Additionally, each channel includes a dedicated aux send control, allowing for flexible routing to external effects or monitoring systems․ The GL2400 also incorporates 4 audio groups with pan control, enabling seamless grouping of channels for balanced mixing․ This configuration ensures that users can handle complex audio setups with ease, whether for small gigs or large-scale events․ The mixer’s flexible channel layout and robust connectivity options make it a reliable choice for professional audio engineers seeking a durable and adaptable mixing solution․
Auxiliary Outputs
The Allen & Heath GL2400 features 6 auxiliary outputs, providing flexible routing options for external effects, monitoring, and additional audio processing․ These aux sends are accessible from each channel, allowing users to control the signal levels sent to external devices․ Auxiliary outputs are commonly used for connecting effects processors, creating monitor mixes, or routing signals to secondary systems․ Each channel is equipped with dedicated aux send controls, enabling precise adjustment of the signal levels being sent to the auxiliary buses․ This feature enhances the mixer’s versatility, making it ideal for live performances and professional audio applications where multiple audio destinations are required․ The GL2400’s auxiliary outputs are designed to integrate seamlessly with external gear, ensuring a smooth workflow for engineers․ Whether for effects processing or monitoring, the auxiliary outputs on the GL2400 provide reliable and efficient signal routing capabilities․
EQ and Connectivity
The Allen & Heath GL2400 is equipped with a 4-band equalization system on each channel, offering precise control over high, high-mid, low-mid, and low frequencies․ Each band features a swept frequency control, allowing engineers to make detailed tonal adjustments․ Additionally, a 100Hz low-cut filter is provided to eliminate unwanted low-frequency rumble․ The mixer’s connectivity is robust, with balanced XLR and TRS input/output options, ensuring high-quality signal transmission and minimizing noise․ The GL2400 also includes insert points on each channel, enabling the integration of external processors such as compressors or effects units․ These features combine to deliver a versatile and reliable mixing solution, ideal for live sound and professional audio applications․ The EQ and connectivity options make the GL2400 a powerful tool for achieving polished and professional audio results in a variety of environments․
Setup and Installation Guide
Proper installation ensures optimal performance․ Place the mixer on a stable surface, connect audio inputs, and follow the user guide for console layout and connections․ Ensure all cables are securely connected for reliable operation․
Physical Installation
Begin by placing the GL2400 on a sturdy, flat surface, ensuring good ventilation to prevent overheating․ Clean the mixer with a slightly damp, soft cloth to remove fingerprints and dust․ For hard-to-reach areas, use compressed air․ Connect all audio inputs and outputs securely, following the console’s labeled terminals․ Ensure proper cable management to avoid signal interference․ Power the mixer using the internal power supply or an external RPS9 unit for redundant power․ Mount the mixer in a rack if desired, using compatible hardware․ Always refer to the user manual for specific installation instructions and safety precautions․ Proper physical installation is crucial for reliable operation and optimal sound quality․
Digital Configuration
The Allen & Heath GL2400 mixer, while primarily an analog console, offers straightforward digital configuration options to optimize its performance․ Begin by familiarizing yourself with the mixer’s layout and settings․ Adjust the 4-band equalizer on each channel to tailor the tone of your audio sources․ Configure the auxiliary sends to route signals to external effects or monitors, ensuring proper levels are set for each channel․ Assign channels to the 4 audio groups, allowing for subgrouping and easier control of multiple sources․ Use the pan controls to position signals within the stereo field․ Additionally, ensure the mixer’s firmware is up-to-date by downloading the latest version from Allen & Heath’s official website․ Proper digital configuration ensures seamless integration with your audio setup and enhances the mixer’s functionality for live sound or studio applications․
Operating the Mixer
Operating the Allen & Heath GL2400 involves adjusting channel faders, pans, and auxiliary sends for precise audio control․ Use the 4-band EQ to shape tones and assign channels to groups for efficient mixing․
Basic Operations
Basic operation of the Allen & Heath GL2400 begins with powering on the mixer and connecting audio sources to the appropriate channels․ Adjust the gain levels using the trim controls to ensure optimal signal strength․ Channel faders control the overall output level, while the pan pot adjusts the stereo placement․ For monitoring, use the aux sends to route signals to external effects or monitor mixes․ The 4-band EQ allows for precise tone shaping, with selectable frequencies for tailored sound․ Mute and solo buttons enable quick isolation or muting of channels during setup․ The master faders control the final output levels for the main mix and groups․ Always ensure proper gain staging to avoid distortion and maintain a clean signal path․ Regularly cleaning connectors and checking cable connections can prevent issues during operation․
Advanced Features
The Allen & Heath GL2400 offers advanced features that enhance flexibility and control for professional audio applications․ Its 4-bus architecture allows for versatile routing, enabling seamless management of multiple audio groups and outputs․ The mixer is equipped with 6 auxiliary sends, which can be used for creating monitor mixes or connecting external effects processors․ Each channel features a 4-band EQ with swept mid frequencies, providing precise tonal shaping․ Additionally, the GL2400 includes a talkback system for communicating with performers, and a dedicated mono output for creating a summed mix․ The console also supports optional external power supplies, ensuring redundancy in critical live sound environments․ These features combine to deliver a robust and adaptable mixing solution, ideal for both live performances and fixed installations․ The GL2400’s advanced capabilities make it a preferred choice among audio professionals seeking reliability and superior sound quality․ Its design ensures intuitive operation, even in complex audio setups․
Maintenance and Troubleshooting
Regular maintenance and troubleshooting are essential to ensure the optimal performance of the Allen & Heath GL2400 mixer․ To maintain the console, use a slightly damp cloth to clean the surface and remove fingerprints, while compressed air can be used for dust in hard-to-reach areas․ Avoid using harsh chemicals or abrasive materials that may damage the finish or components․ For troubleshooting, common issues such as low signal levels can often be resolved by cleaning the insert connectors, as dirt or debris can interfere with the signal path․ Additionally, users should periodically inspect and clean the faders and pots to prevent wear and tear․ If issues persist, consulting the user manual or service manual is recommended, as they provide detailed diagnostic procedures and repair guidance․ Proper care and timely troubleshooting can extend the lifespan of the mixer and maintain its reliability in professional audio environments․
The Allen & Heath GL2400 mixer is a robust and reliable choice for professional audio applications, offering exceptional performance and versatility․ Its intuitive design, comprehensive features, and durable construction make it a favorite among sound engineers for live sound and installation setups․ With proper maintenance and care, the GL2400 can deliver years of trouble-free operation․ The availability of detailed user manuals and service guides further enhances its usability, ensuring that users can address any issues promptly․ While newer models may offer advanced features, the GL2400 remains a trusted and dependable option for those seeking a high-quality analogue mixer․ Its reputation for reliability and sonic excellence continues to make it a popular choice in the audio industry․