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METRIC HALO LIO-8 Line-level Digital Audio Processor w/4 Preamp  

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When Metric Halo introduced the ULN-8, people raved about the sonic quality, the features, and the power of the architecture. Many reports, however, were from studio owners and engineers whose studios... Click To Read More About This Product

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Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
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Ship to Store Available in: 3-7 Days (estimated) Denver, CO (5.5  mi) View More Stores For Availability


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When Metric Halo introduced the ULN-8, people raved about the sonic quality, the features, and the power of the architecture. Many reports, however, were from studio owners and engineers whose studios were equipped with their own "go to" mic pres, people that use analog consoles, and those that edit but don't record. They loved the ULN-8 too, but didn't need the mic pres. For those customers, Metric Halo designed the LIO-8. The LIO-8 incorporates the same Metric Halo Audio technologies in the ULN-8.

Of course, the plot thickens. There are also studio owners who need the full complement of the powerful A/D architecture as well as the mic pres. This particular version of the LIO-8 comes equipped with four scrumptious mic pres. It will be the hub of your system, and like all Metric Halo products, it is built to exacting design and manufacturing standards.

Features include:

192k sample rate support for both Analog and AES Inputs and Outputs
New DC-coupled, zero phase distortion, servo balanced Line Inputs and Outputs
Fully clickless remote controlled Monitor outputs
All LIO-8 analog outputs incorporate Metric Halo clickless remote technology allowing for flexible monitoring applications from stereo to 7.1 surround.

As with all Metric Halo products, the LIO-8 features an upgrade path. Or two.
While the base configuration of the LIO-8 doesn't include mic pres, you can opt to have 4 or 8 channels of the same ULN-R mic pres as the ULN-8 included in your unit. This model includes four mic pres, but can be expanded later to the full eight mic pres.

You can also choose to upgrade your processing by adding the +DSP license, which adds over 100 plug-ins to your LIO and gives you the ability to create and save complex processing "graphs" as well as access to factory supplied "macros" including processors, amp simulators and more. You can find out more about +DSP here. Adding +DSP to your LIO is easy, just put the software license code into MIO Console and your box is unlocked.

LIO-8 Key Benefits at a Glance
Exceptional, Best-In-World, Archival Grade Converter Quality
Flexible, Integrated Analog-Domain Monitor Controller
Universal Sample Rate SupportAnalog, AES and Firewire Interfacing
Rock Solid Stability: Mature, Real-World-Tested Firmware, Software and Drivers
Instant Access to Tactile ControlsFully digital control for total recall, remote control and control surface support
Comprehensive Precision Metering - so you always know what is going on
Works with or without a Computer
Metric Halo's Exclusive Per-channel selectable Character - from ultra clean to nice and gooeyIntegrated ultra-low-latency instantiable processing with plenty of DSP power to run it
Most Compact, Lowest Weight, Lowest Power and Lowest Price in its Class

Suite Solution
With everything you need to record, mix, process, and master audio (just add your DAW of choice, analog front end and transducers), the LIO-8 is your one-stop solution for recording, edit, mix and mastering suites. Even if you are using a DAW or recording system that does not support the LIO-8 Firewire interface, the unit's standalone operation and standard AES and analog interface allow you to use it as the Audio Front End and Monitor Controller for Pro Tools, standalone and PC based recording systems.

The Ultimate Digital Upgrade
The LIO-8 is a great way to upgrade your audio system. Put it between your existing gear and your DAW to get all of the benefits of our analog design, conversion technology and DSP without ripping your room apart. Adding a LIO to an analog console is like buying new converters and getting a digital mixer with total recall for free. Using our ConsoleConnect technology you can insert EQs, compressors, gates, reverbs and more into our v.5 Mixer and have all your routing and settings recalled with your DAW session.

  • LIO-8/4p - Astonishing
  • Archival Grade Converter Quality
  • 4 Channels of the ULN-8s boutique-quality mic preamps.
  • Rock Solid Stability
  • Works with or without a computer
    • Analog Rails (low power): ±9.9 Volts
    • Analog Rails (high power): ±12.6 Volts
    • Maximum I/O Levels (Balanced)
    • Peak Line Output @ 0 dBFS (no jumper/low power): +18.5 dBu
    • Peak Line Output @ 0 dBFS (output jumper/low power): +22.0 dBu
    • Peak Line Output @ 0 dBFS (output jumper/high power): +24.5 dBu
    • Analog Send Max Output: +21.5 dBu
    • Line In Max Input: +24.5 dBu
    • Output Impedance: 5 Î
    • Nominal FS output (Balanced) Output Jumper Off: -19.0 dBu
    • Nominal FS output (Balanced) Output Jumper On: -12.0 dBu
    • Maximum Output: Same as Line
    • Gain Range: -96 dB to +30 dB
    • Gain Precision: ±0.05 dB
    • Gain Step: 0.5 dB
    • Line Input + ADC
    • Input Impedance: 10 kÎ
    • Dynamic Range (-60 dB, flat 0-22.05 kHz, typ): 115 dB
    • Dynamic Range (-60 dB, A-weighted, typ): 118 dB
    • Noise Floor (flat 0-22.05 kHz, typ): 115 dB
    • Noise Floor (A-weighted, typ): 117.9 dB
    • THD D/A/A/D loop @ -12 dBFS: 0.0005 %
    • THD D/A/A/D loop @ -0 dBFS: 0.0015 %
    • Crosstalk @ 1kHz: -127 dB
    • IMD 1k component (19 kHz/20kHz @ +8dBu): -104 dBu
    • Gain Range: -12 dB to +31.5 dB
    • Gain Precision: ±0.05 dB
    • Gain Step: 0.5 dB
    • +0/-0.1dB @ fs = 44100 Hz: 5.7 Hz - 20.5 kHz
    • +0/-1.0dB @ fs = 44100 Hz: 1.8 Hz - 21.0 kHz
    • +0/-0.1dB @ fs = 96000 Hz: 5.7 Hz - 43.9 kHz
    • +0/-1.0dB @ fs = 96000 Hz: 1.8 Hz - 45.4 kHz
    • +0/-0.1dB @ fs = 192000 Hz: 5.7 Hz - 42.1 kHz
    • +0/-1.0dB @ fs = 192000 Hz: 1.8 Hz - 64.7 kHz
    • 5 low-end in-channel phase deviation point: 10.7 Hz
    • Interchannel phase 0 Hz - 20 kHz: < ±0.05
    • Crosstalk from SMPTE Input: < -142 dB
    • Input Processing
    • M/S Decode: Instantiable
    • Parameteric EQ: Instantiable
    • Dynamics: Instantiable
    • Character: Instantiable
    • Reverb: Instantiable
    • Delay: Instantiable
    • M/S Encode: Instantiable
    • Parameteric EQ: Instantiable
    • Dynamics: Instantiable
    • Character: Instantiable
    • Reverb: Instantiable
    • Dither: Instantiable
    • Mix Foldown: Instantiable
    • Front Panel
    • Indicator LEDs (Bicolor): 495
    • Meters: 16
    • Segments per Meter: 15
    • Channel Encoder Knobs: 8
    • Encoders Have Shaft Push Buttoms: Yes
    • Monitor Controller Encoder Knobs: 1
    • Monitor Controller Mute: Yes
    • Monitor Controller Dim: Yes
    • Indicators Per Encoder: 16
    • Sample Rate Indicators: 6
    • Clock Source Indicators: 4
    • AES Clock Source Indicators: 4
    • AES Lock Indicators: 4
    • AES Input Signal Indicators: 4
    • AES Output Signal Indicators: 4
    • System Lock Indicator: 1
    • Firewire Indicator: 1
    • Front Panel Modes: 14
    • Headphone Output (Dedicated DAC): TRS Stereo
    • DI Inputs (2): TRS Balanced
    • DI Input Impedance: 10 MÎ
    • DI Input Fixed Gain (Jumper Selectable): 0/10/20 dB
    • DI Input Variable Gain: -12 dB to 31.5 dB
    • Power Switch (Jumper Defeatable): Toggle
    • MIDI Connectors (In and Out): 5-Pin DIN
    • SMPTE Connectors (In and Out): Balanced TRS
    • Word Clock Connectors (In and Out): 75Î BNC
    • AES Connector (8 Channels In and Out): DB-25
    • AES Connector Pinout: Tascam/Digidesign Digital
    • Line Input Connector (8 Channels): DB-25
    • Line Input Pinout: Tascam/Digidesign Analog
    • Send Output Connector (8 Channels): DB-25
    • Send Output Pinout: Tascam/Digidesign Analog
    • Line/Monitor Output Connector (8 Channels): DB-25
    • Line/Monitor Output Pinout: Tascam/Digidesign Analog
    • Line/Monitor Mult Output Connectors (Analog 1/2): TRS Balanced
    • FireWire Connectors (2): 1394a 6-Pin
    • Power (Unswitched): 2.1mm Coaxial
    • Power (Switched): 4-Pin XLR
    • Security Slot: Kensignton
    • Driver: CoreAudio Mac OS X
    • Mac OS X: 10.3.9 or newer
    • Architectures: PPC, Intel
    • MIO Console: Included
    • Record Panel: Included
    • LTC Decoder: Included
    • Mixer: Included
    • +DSP License: Optional
    • Voltage: 14v - 28v
    • Power: 24 Watts
    • FireWire Bus Powerable: No
    • Passes FireWire Bus Power: Yes
    • Supplies FireWire Bus Power: No
    • External Supply (Input): I00-240VAC
    • External Supply (Max Input Current): 1.2 A
    • External Supply (Output): 24 VDC
    • External Supply (Max Output Current): 2.0 A
    • External Supply Connector: 4-Pin XLR
    • Material: Powder Coated Aluminum
    • Fasteners: 3mm Phillips Head
    • Weight: 6 lbs
    • Weight: 2.7 kg
    • Dimensions: 17" x 13" x 1.72"
    • Dimensions: 432 x 330 x 44 mm
    • Rack Ears (included): Powder Coated Steel
    • Rear Rack Mounts: Available

Pro Coverage gives you added warranty protection for your gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Click To Read More About This Product.

Pro Coverage includes
  • Accidental damage protection
  • Expedited repair or replacement
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to five years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews
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