The ULN-2 Expanded is a portable, high–quality, modular FireWire–based multi-format audio converter, interface, and processor for professional audio applications. The ULN-2 is equipped with two balanced analog inputs on Neutrik™ combo connectors, two channels of Digital I/O (AES/EBU and S/PDIF), eight channels of ADAT optical I/O with switchable TOSLINK support, two balanced analog outputs (1/4" TRS), two balanced monitor outputs for connecting directly to power amps and self powered monitors, as well as wordclock in/out and 2 IEEE 1394 FireWire connectors that support 400 Mbs operation.
Mic Pre-AmpsULN stands for Ultra Low Noise and the Mic Pres in ULN-2 live up to the name. Providing massive gain (up to 72 dB) with an EIN of -130.5 dBu, fantastic detail and an ultra-fast slew rate, the ULN Mic pres are up to the most demanding recording situations you can throw at them. It also has the same FireWire connectivity, A/D/A converters and powerful onboard DSP as its older sibling – the Mobile I/O 2882.
Balanced Analog Sends and ReturnsThe ULN-2 features balanced analog inserts for each input. This lets you use ULN-2 as a standalone analog Mic pre/direct box; use the sends as an active splitter to drive a backup recorder, or even patch in analog dynamics processing between the Mic Pre and the integrated 24bit/96kHz A/D converters.
Flexible Powering OptionsThe 4-pin XLR power port on the ULN-2 allows you to power the unit with a variety of readily available broadcast battery systems. The 4-pin power port is compatible with power sources having the following characteristics: 9-30V DC, Pin 4 Hot, 15 Watts.
Organically ScalableMix and match 2882 and ULN-2 units to create a system that meets your needs for track count and preamp power. Adding a unit to the system organically increases the DSP power of the system, so that your DSP always scales with your I/O. Break your system up for small gigs when playing out or add the units of your mates to build a huge system when required. By standardizing on Mobile I/O, each member of the band can have ultimate quality while working alone, and the band can have huge track counts when playing together.
Stand-Alone OperationFlexible signal routing and sophisticated patch and preset management systems are also featured in the ULN-2 Expanded, including a front panel, ten-preset register for standalone operation. ULN-2’s front-panel recall system allows the unit to function equally as well as a stand-alone Mic Pre/Converter system. In standalone mode, the ULN-2 operates with the converters directly routed to and from the AES/SPDIF I/O, ADAT or TOSLINK.
As a standalone converter, the ULN-2 provides a 24bit/96kHz stereo front-end with ultra-low noise mic pres for any recording system. It also functions seamlessly as a digital monitor controller, making it ideal as digital headphone amp and studio monitor controller.
ApplicationsThe ULN-2 Expanded supports a variety of applications. For studio recording, it provides a very high quality interface to a DAW, offering sound processing or simple file transfer between workstations. Its exceptional sound quality is the perfect complement to the studio’s existing analog to digital conversion chain. Songwriters and engineers can use the ULN-2 Expanded to record and edit on the road, in the hotel, while traveling, or anywhere that inspiration strikes.
The ULN-2 Expanded is suitable for broadcast applications, too. It offers instant playback of two individual stereo sends for music cues or sound effects. The compact package and portable power features mean that the unit can go anywhere users need to work, and make on-site fixes or edit location recordings without the need to send files back to the studio, saving valuable time before air.
In the live performance arena, in addition to operating as a remote recorder for archiving performances or to play out backing tracks and musical cues, the ULN-2 Expanded can operate as a soft-synth mixer and I/O interface. The ULN-2 Expanded is also a great addition to a live sound engineer’s setup, providing a simple and efficient tool for analysis and system venue tuning with SpectraFoo.
Jensen Mod OptionThe ULN-2 is an incredibly good mic pre, but sometimes you want something that isn’t quite so pristine. A certain amount of low-order harmonic distortion has a way of adding depth and sheen to everything — which explains the high regard for classic transformer coupled preamps.
With the transformer option installed, the ULN-2 acquires that classic character. Jensen JT16-A's add some very nice benefits to transformer coupling at the input stage of the ULN-2, imparting a more glossy, smoothed sound than the capacitively coupled ULN-2, which simply faithfully passes the source. Sonically, it's kind of like the difference between images shot on film and images shot in HD.
A second benefit is that the transformer completely electrically isolates the preamp from the source – raising the common mode rejection above its already excellent performance, and providing a measure of confidence when dealing with the unknowns of location sound.
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