Harrison’s 500 Series System takes a flexible approach to the 500-series format, comprising a 10-slot chassis (the D510r) with a 10x2 analogue summing mixer (the D510mx) and a Dante interface option (the D510dante). We put all three to the test in the June 2025 issue — you can check out our review here.
When the system was originally announced, Harrison stated that a USB/ADAT interface option would appear at a later date, and that time has arrived! Named the D510ua, the latest arrival to the 500 Series System can be installed into the rear panel of the D510r, and allows the unit to function as a USB audio interface with up to 10 analogue inputs, 14 analogue outputs and 16 channels of bi-directional ADAT I/O — a total of 26 inputs and 30 outputs.
With the new card installed, each of the rack’s module slots are equipped with A-D and D-A stages, with an additional set of converters available to feed the headphone mixes on the D510mx summing mixer, if installed. As a result, the system can be used alongside a DAW as a USB audio interface, as well as serving as a way to expand an existing ADAT-equipped interface.
Key Features
- USB and ADAT optical connections (can be used at the same time).
- 10 analogue inputs, 14 analogue outputs, 16 channels of bi-directional ADAT I/O.
- Compatible with D510mx analogue summing mixer card.
- Supports sample rates up to 192 kHz.
- Rugged construction optimised for the D510r rack.
- Intuitive front-panel routing controls.
- BNC Word Clock I/O.
- Compatible with macOS and Windows.
Pricing & Availability
The D510ua is available to order now, priced at $599.99£539 including VAT.
