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5. ULN-8 Users Guide
ULN-8 Overview
Figure 5.1: ULN-8
What it is
The ULN-8 is a portable, archival–quality, modular multi-format audio converter, interface, and processor
for professional audio applications. The ULN-8 is equipped with eight balanced mic inputs, eight balanced
line inputs, eight channels of AES digital I/O, eight balanced sends and eight balanced analog outputs, as
well as wordclock in/out, MIDI in/out, SMPTE in/out.
Host computer connection and box daisy-chaining are provided by two MHLink Gigabit Ethernet ports,
each of which support 128 channels of bidirectional audio at 192khz/32 bit data rate. A UAC2 class-com-
pliant USB-C connection is available as an alternative computer interface.
All inputs and outputs are capable of 24-bit/192kHz operation.
What it has
• 18 simultaneous input channels and 20 simultaneous output channels
• Full 24 bit/192kHz audio
• 44.1, 48, 88.2, 96, 176.4, 192kHz Sampling Rates
• 8 channels of 24 bit A/D converters
• 10 channels of 24 bit D/A converters
• 8 Balanced Microphone Inputs with switchable phantom power – DB25
• 8 Balanced Line Inputs – DB25
• 8 Balanced line level Sends – DB25
• 8 Balanced Analog Outputs – DB25, channels 1 and 2 multed on 1/4" TRS
• 8 channels of AES I/O, single wire for 44.1-192KHz operation - DB25
• 2 channels of DI available on the front panel - 1/4" TRS
• Front panel cans output with discrete high quality D/A and amplification - 1/4" TRS
• Word Clock 1x on 75ohm terminated BNC
• SMPTE I/O on 1/4" TRS
• MIDI I/O on 5-pin DIN
