HARRISON AUDIO D510mx – Analog Summing Mixer for 500 Series Systems

The HARRISON AUDIO D510mx is a professional analog summing mixer designed as an expansion module for the Harrison D510r rack system. It delivers premium analog summing capabilities, seamless integration with 500 Series modules, and intuitive stereo mix control directly from the front panel. By allowing users to incorporate their favorite 500 Series processors as input sources, the D510mx becomes a highly flexible centerpiece for music production, mixing, and professional studio workflows. Harrison Audio’s renowned analog circuitry provides transparent signal handling, musical warmth, and the sonic quality expected in high-end recording environments.

Main Features

The unit offers 10 audio inputs, with channels 1–8 sourced directly from installed 500 Series modules inside the D510r rack. Inputs 9 and 10 are routed from the rear-panel XLR connectors of the rack itself. Each input channel features independent level control, pan adjustment, and stereo bus routing functionality. The D510mx also includes a stereo main output with dedicated level control and LED metering, along with two front-panel headphone outputs for convenient monitoring during recording and mixing sessions.

Professional Analog Summing for Modern Studios

The Harrison Audio D510mx was created for audio engineers, producers, and studio professionals seeking the depth and character of analog summing within a compact 500 Series ecosystem. Combined with the D510r rack, the system transforms into a versatile analog mixing platform ideal for hybrid workflows. When paired with the optional D510dante module, the system can also function as a powerful computer interface with Dante networking integration.

Built using high-quality analog components, the D510mx delivers exceptionally low noise, wide frequency response, and minimal THD+N distortion. The result is a transparent yet musical sound signature associated with Harrison Audio consoles, trusted for decades in world-class recording studios and film production facilities.

The modular architecture allows users to customize their setup with preferred 500 Series preamps, EQs, compressors, saturators, and signal processors from multiple manufacturers. This flexibility makes the D510mx an ideal solution for engineers who want to build a unique analog workflow tailored to their production style.

Applications

The D510mx is perfect for professional recording studios, project studios, hybrid mixing environments, analog summing setups, and modern production spaces combining digital and analog equipment. It excels in music production, post-production, mixing, mastering, podcasting, and live recording applications.

The dual headphone outputs provide practical monitoring functionality during tracking sessions, while Dante compatibility expands the unit’s capabilities for advanced network audio integration in professional environments.

Technical Specifications

• Device type: Analog summing mixer module
• Compatibility: Harrison Audio D510r
• Number of inputs: 10
• Inputs 1–8: sourced from 500 Series module slots
• Inputs 9–10: rear-panel XLR inputs on D510r
• Per-channel controls: level, pan, stereo routing
• Main output: Stereo
• Headphone outputs: 2 x front panel
• Maximum input level: +24 dBu
• Frequency response: 20 Hz – 20 kHz ±0.25 dB
• Maximum gain: 11.5 dB
• THD+N: below 0.003%
• Pan law: -3 dB
• LED level metering
• Heavy-duty metal construction

Construction and Build Quality

The HARRISON AUDIO D510mx features a rugged metal chassis designed for professional studio use. High-quality controls and precision components ensure reliable operation and long-term durability in demanding production environments. The ergonomic front-panel layout provides easy access to all mixing functions during sessions.

What’s Included

• HARRISON AUDIO D510mx
• 40-pin ribbon cable
• 8 Pozidriv flathead mounting screws
• Safety documentation

Why Choose This System?

The HARRISON AUDIO D510mx is an excellent choice for producers and engineers looking for the sonic benefits of analog summing in a compact and modular 500 Series format. Combining premium audio performance, flexible routing, and seamless integration with modern studio environments, the D510mx delivers a powerful hybrid mixing solution for demanding professional workflows.