Metric Halo ULN-2 2d FireWire Digital Audio Interface with Jensen Input Transformer + DSP

Metric Halo ULN-2 2d FireWire Digital Audio Interface with Jensen Input Transformer + DSP

Metric Halo ULN-2 2d FireWire Digital Audio Interface with Jensen Input Transformer + DSP

B&H # MEULN2XJDSP MFR # 000-50006-1-JEN+
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Expected availability: 7-14 business days

Product Highlights

  • 12 Input/14 Output
  • 2 Microphone Preamps
  • Insert Points
  • Sample Rate Converter
  • v.5 MIO Control Console
  • Jensen Transformer-Coupled Input Stage
  • Adds Low-Order Harmonic Distortion
  • +DSP License
  • Insert DSP Effects in Signal Path
  • Mac OS X
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Metric Halo 000-50006-1-JEN+ overview

  • 1Description

The Metric Halo ULN-2 2d FireWire Digital Audio Interface with Jensen Input Transformer + DSP is a portable, FireWire based, multi-format studio recording audio converter and interface. Housed in a single-space rack-mount chassis, the unit provides 12 inputs and 14 outputs of simultaneous I/O, while having the ability to be powered from the FireWire bus of a laptop computer, or from an appropriate DC power source. This version of the audio interface includes a modification wherein a single Jensen input transformer has been added to the signal path to add low-order harmonic distortion which provides a depth and smoothness to the sound of your music. An additional benefit of the Jensen transformer is that they electronically isolate the preamplifier from the source which raises the common mode rejection of the device.

This version of the audio interface also includes the +DSP license which allows you to insert plug-ins such as multi-band EQs, compressors, limiters, distortion processors, guitar amp models, vintage reverbs, parallel processors, and more into the signal path within the v.5 software digital mixing console without taxing your host CPU.

The ULN-2 2d is equipped with 2 balanced analog inputs on Neutrik combo connectors, 2 channels of digital I/O (AES/EBU and S/PDIF) and 8 channels of ADAT lightpipe I/O. Two balanced analog outputs and 2 balanced monitor outputs are available for connecting directly to power amps or self powered monitors. Wordclock I/O and dual FireWire connectors, along with 24-bit, 96 kHz converters on all channels, make the ULN-2 suitable for high-quality digital recording.

The interface can be used for capturing audio wherever inspiration hits, in the studio or on the road. The microphone preamps provide an ultra-fast slew rate, and the fully balanced analog inserts allow outboard analog dynamics processing to be introduced between the preamps and the A/D converters.

The On-board DSP powers the v.5 MIO Console, which can function as a mixer, router, and control application. The software can be used to route any input to any output, providing a range of flexible mixing possibilities. A "Record Panel" allows for straightforward recording of incoming audio without the need for additional DAW software. This is especially useful in situations where immediate editing is not required, but stable, fool-proof recording is essential.


Fully portable FireWire audio interface and format converter
Bus powered or use with external adapter that provides sufficient power for other peripherals
12 simultaneous input channels and 14 simultaneous output channels, all with full 24-bit/96 kHz resolution 1
2 independent channels of high gain (up to +72dB), low-noise microphone-preamplification with switchable +48V phantom power
Selectable stereo AES/EBU or S/PDIF digital inputs and outputs
Up to 8-channels of ADAT Lightpipe input and output
Wordclock I/O on BNC connectors
Sample rate conversion (SRC) on AES or S/PDIF digital I/O
Headphone amplifier with front panel volume knob
Balanced stereo master control room monitor output with front panel volume control
10 front-panel preset system/routing memories for stand-alone operation
4-pin XLR power port for compatibility with most location battery systems
Front panel metering for analog inputs and outputs
OS X drivers with multi-interface support

MIO Software Console

v.5 Configurable mixer for near-zero latency mixing and routing
Completely customizable mixing engine can be created from scratch or with any of the templates included - with the v.5 Mixer, the ULN-2 can be a mastering console in the morning, a tracking console in the afternoon, and a live sound mixer/recorder in the evening
Record Panel provides no-frills, but very stable recoding feature for all inputs
A single input can be multi-ed and given various levels of DSP processing and then recorded as separate tracks
An arbitrary number of busses can be created (limited only by the capabilities of the hardware), each of which can be used as a master bus (routed to an output) or an auxiliary bus (routed to other busses), with bus able to be dynamically adjustable from mono to 7.1 surround
Integrated surround monitor controller/switcher
"Character" slot available on all channels provides analog modeling of various circuit types, including tube based electronics, etc.
Full console metering of every channel and mix bus
Total recall of every console parameter
Jensen Input Transformers
Adds low-order harmonic distortion to signal path, which provides depth to the sound and electronically isolates the preamplifier from the source, raising the common mode rejection of the device
+DSP License
Enables insertion of multi-band EQs, compressors, guitar amp emulations, reverbs, and more into the signal chain while leveraging power of internal DSP and not taxing the host CPU
+DSP Plug-Ins
  • Character (22 types)
  • Multibus Mixer
  • Surround Support
  • Monitor Controller
  • MIOStrip
  • M/S Decoder
  • Short Delay
  • Dither
  • HaloVerb
  • Transient Controller
  • MIO EQ 6
  • MIO EQ 12
  • MIO Comp
  • MIO Limit
  • MIO State Variable Filter
  • NC State Variable Filter
  • Linkwitz-Riley Band Split Filter
  • Delays Family (15 plug-ins)
  • MIO Simple Pitch Shifter
  • Allpass filters (2 plug-ins)
  • MIO Soft Clip Family (3 plug-ins)
  • MIO Nonlinear Map Family (4 plug-ins)
  • MIO Volume Control Family (16 plug-ins)
  • MIO A/B Switch Family (16 plug-ins)
  • MIO M/S Processor
  • Static Matrix Family (5 plug-ins)
  • Channel op Family (5 plug-ins)
  • Oscillator Family (6 plug-ins)
  • MIO Mod Delay
  • Insertable Graphs
  • 2d Amps
  • Bass Head
  • Bass Head Shape 1
  • Bass Head Shape 2
  • British Mil Spec
  • British Mil Spec Bright Cab
  • British Mil Spec Grind
  • British Mil Spec Light Grind
  • British Mil Spec Rhythm
  • British Mil Spec+Vibrato+Trem
  • MH Clean
  • MH Clean Tweed
  • MH Hi-Gain
  • Small Dark
  • Small Dark No Cab
  • Small Tweed Crunch
  • Small Tweed Touch O' Dirt
  • 2d Effects
  • Autoflanger
  • Autoflanger 2
  • Autoflanger 3
  • Cool Mono Echo
  • LoFi Mod Echo
  • Mono Rotary
  • Slap Delay
  • Vibrato+Tremolo
  • Stereo Rotary Speaker
  • 2d Reverbs
  • Diffuse Prime
  • Diffuse Room
  • Early Diffuse Room (no tail)
  • Hall 1
  • LongVerb
  • Med Diffuse Room
  • ModVerb
  • Small Diffuse Room
  • 2d Mastering
  • Parallel Compressor
  • Parallel Limiter
  • Mid-Side Compressor
  • Mid-Side EQ
  • Mid-Side Limit
  • Stereo Parallel Limiter
  • 2d Pedals
  • Nezumi
  • Nezumi Less Gain
  • Screamer
  • Cabinets
  • Closed 2x12
  • Closed 2x12 with Air
  • 4x12 Cab
In the Box
Metric Halo ULN-2 2d FireWire Digital Audio Interface with Jensen Input Transformer + DSP
  • Universal External Power Supply
  • Power Cable
  • 0.5m IEEE 1394 6-Pin FireWire Cable
  • 4.5m IEEE 1394 6-Pin FireWire Cable
  • MIO Software CD-ROM
  • Rack Ears with Fasteners
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Metric Halo 000-50006-1-JEN+ specs

    Transformer 2x Jensen JT16-A
    Bit Depth 24-bit
    Sample Rates 44.1, 48, 88.2 and 96 kHz
    Analog Input 2 x Neutrik Combo (both inputs fitted with Jensen transformers)
    2 x 1/4" TRS phone FX Return
    Analog Output 4 x 1/4" TRS phone
    2 x 1/4" TRS phone FX Send
    Digital Input 1 x XLR AES/EBU
    1 x RCA coaxial S/PDIF
    1 x TOSlink ADAT lightpipe
    Digital Output 1 x XLR AES/EBU
    1 x RCA coaxial S/PDIF
    1 x TOSlink ADAT lightpipe
    MIDI In/Out No
    Sync In/Out 2 x BNC Wordclock I/O
    Headphone Output 1 x 1/4" TRS phone
    THD + N 0.0005% @ 1kHz (+9dBu in @ 6dB gain)
    Dynamic Range A/D: 110dB
    D/A: 120dB
    Gain Range +6 to +72 dB in 6 dB steps
    -14 dB to +70 dB with trim
    Input Impedance 3.3 kOhms
    Intermodulation Distortion 19/20 kHz at +8 dBu: -96 dBu
    Equivalent Input Noise 150 ohm source: -130.5 dBu
    50 ohm source: -132.0 dBu
    0 ohm source: -134.0 dBu
    Frequency Response 3 to 100,000 Hz: ±3.0 dB
    8 to 50,000 Hz: ±1.0 dB
    18 to 20,000 Hz: ±0.1 dB
    Power Requirements FireWire bus
    1 x 4-pin XLR 9 to 30 VDC (pin-4 hot) 15W
    1 x 2.1 coaxial 9 to 30 VDC, center post positive (+)
    Crosstalk Trim link engaged (1,000 Hz): -107 dB
    Trim link Disengaged (1,000 Hz): -132 dB
    Maximum Gain: 72 dB
    Preamp Headroom: 20 dB above digital clip
    Phantom Power: +48 V regulated high current individually switchable
    Compliance P48 test compliant, short circuit/hot-swap protected
    Power Rating 8 W at 9 to 30 VDC
    Connectors 1x 2.1 mm Coaxial
    1x 4-pin XLR Broadcast Battery
    1x FireWire
    System Requirements Any Mac that supports Mac OS X
    At Least one FireWire port, one port will support 3 interfaces at 44.1 and 48 kHz or two interfaces at 88.2 and 192 kHz
    Universal Binary (native support for PPC and Intel)
    Mac OS X 10.6.8 or newer required
    Supported Adapters OHCI compliant PC card
    PCI card
    Express Card or PCIe card
    Apple Thunderbolt to FireWire Adapter
    Apple Thunderbolt Display
    Sonnet Technology Thunderbolt to Expresscard adapter with FireWire Pro 800 ExpressCard/34
    Supported Software All CoreAudio compliant software is compatible with Mobile I/O, Including:
    Digital Performer
    PreMaster CD
    Pro Tools
    Specialties Sample rate conversion (SRC) on digital I/O
    Dimensions (WxDxH) 13.75 x 8.25 x 1.73" (349 x 210 x 44 mm)
    Weight 4 lbs (1.8 kg)

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