Metric Halo ULN-2 User Manual
ULN-2 2d Expanded
2
Compact and Portable – Remarkable Sound
ULN-2 – Ultra High Quality
Featuring the power, portability and shear sound quality of Mobile I/O in
a small, lightweight package, the ULN-2 breaks new ground in terms of
performance. ULN stands for Ultra Low Noise and the Mic Pres in the
ULN-2 live up to the name.
Providing massive gain [up to 72 dB] with an EIN of -129 dBu [wideband
weighted], fantastic detail and an ultrafast slew rate, the ULN Mic pres are
up to the most demanding recording situations you can throw at them.
The ULN-2 also features balanced analog inserts for each input. This lets you
use the ULN-2 as a standalon analog Mic pre/direct box, or even patch in
analog dynamics processing between the Pre and the integrated 24bit/96kHz
A/D converters.
With the included stereo monitor level controls, the ULN-2 is the perfect
solution for stereo monitoring and acquisition. Coupled with your native
OSX software, the ULN-2 provides everything required to work with high
quality audio today!
And of course it has the same FireWire connectivity, amazing A/D/A
converters and powerful onboard DSP as its older sibling – the Mobile I/O
2882.
You can chain up to three interfaces per FireWire bus – use the ULN-2’s
extended gain and dynamic range for critical channels which need higher
gain and live gain riding, the 2882 for channel count and recallability or
the ULN-8 for the most uncompromising sound quality. Your interfaces work as well together as they do on their own, allowing you to build a exible system to
cover any situation.
KeyFeatures
• 2 Mic/Line/Instrument analog inputs on Neutrik Combo
connectors
• Balanced TRS analog sends and returns for analog inputs
• 2 analog outputs on balanced TRS connectors
• 24bit/96k converters on all channels
• Headphone amp with front panel volume knob
• Balanced stereo master control room monitor output with front
panel volume control
• AES-S/SPDIF Digital I/O with selectable SRC
• Optical DigitaL I/O switchable between ADAT and Toslink format
• Onboard 80-bit multibus mixer for near-zero latency mixing and
routing
• 4-pin XLR power port for compatibility with most location
battery systems
• 9 front panel preset system/routing memories for stand-alone
operation
• FireWire Connectivity
• Compact, light and bus-powerable
The ULN-2 2d Expanded interface is built around our 2d DSP technology. This makes the ULN-2 much more than an interface; it gives you a multiple bus mixer
for near zero latency monitoring and mixing with the ability to run plug-ins on the interface. For example, you can create a headphone mix for a vocalist that puts
eq, compression and reverb in their cans without the penalty of round-trip latency through your DAW. The MIOConsole software controls every aspect of your
routing and DSP, and you can get total recall of all parametrs by using our ConsoleConnect plug-in your native DAW.
To
Input TRS
Analog
Input 1
Input XLR
Input TRS
Analog
Input 2
Input XLR
D.I. Amp
Mic Amp
D.I. Amp
Mic Amp
Mic/TRS
Switch
Mic/TRS
Switch
Send
To
Send
From
Return
From
Return
Return
Receiver
Return
Receiver
AES
Trim
Trim
Trim
Link
A/D
DSP
FW
ULN
Block Diagram
Rev. 3.0
SPDIF
ADAT
D/A D/A
Analog
Monitors
1-2
Cans
ULN-2 2d Expanded
Specications
ULN-2 Technical Specications
Stepped Gain Range +6 dB – +72 dB [6 dB steps]
Gain Range with Trim -14 dB – +70 dB
Input Impedence 3.3 kΩ
Harmonic Distortion @ 1kHz
[+9dBu in @ 6 dB Gain]
Intermodulation Distortion
1k component
[19kHz/20kHz @ +8 dBu]
Equivalent Input Noise [E.I.N]
20 Hz – 20kHz Flat @ 72 dB Gain
150 Ω Source -130.5 dBu
50 Ω Source -132.0 dBu
0 Ω Source -134.0 dBu
Frequency Response
18 Hz – > 20 kHz ± 0.1 dB
8 Hz – > 50 kHz ± 1.0 dB
3 Hz – > 100 kHz ± 3.0 dB
Crosstalk @ 1kHz
trim link engaged -107 dB
trim link disengaged -132 dB
0.0005%
-96 dBu
ULN-2 Technical Specications
Maximums
Max Gain 72 dB
Preamp Headroom 20 dB above Digital Clip
+48v Regulated, high current, individually
Phantom Power
Physical Specs
Controls
Dimensions
[W x D x H]
Weight
Power
Rating 8 watts @ 9 – 30v DC
Connectors
3 Hz – > 100 kHz ± 3.0 dB
switchable, P48 test compliant, short circuit/
hotswap protected
Stepped Gain [12 dB steps 6 – 72 dB]
Continous Attenuator on return
Attenuation link
Mic/Line Select switch
Independant Monitor Volume Controls
Independant Phantom Power Controls
13.5” x 8.25” x 1.73”
34.3 cm x 21 cm x 4.4 cm
4 lbs.
1.8 kg
4-pin XLR Broadcast Battery [pin 4 hot]
Firewire
Copyright © 2002-2010 Metric Halo Distribution Inc. Mobile I/O, ULN-2 and Metric Halo are our trademarks.
FireWire is a trademark of Apple Computer, Inc. All other trademarks are the property of their respective owners.
These specications are subject to change without notice. Check the website for the most up-to-date info.
http://www.mhlabs • in-foo@mhlabs.com • tel [845] 223-6112 • fax [603] 250-2451
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