Metric Halo LIO-8 Line-Level Digital Audio Processor with 4 Preamp +DSP

Metric Halo LIO-8 Line-Level Digital Audio Processor with 4 Preamp +DSP

Metric Halo LIO-8 Line-Level Digital Audio Processor with 4 Preamp +DSP

B&H # MELIO84PDSP MFR # 000-50007-4P+

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Metric Halo LIO-8 overview

  • 1Description

The Metric Halo LIO-8 Line-Level Digital Audio Processor with 4 Preamp +DSP is suitable for customers who want the ULN-8’s archival grade converters, rock-solid stability, ability to work with or without a computer, and +DSP power, but who only need 4 channels of the ULN-8’s boutique-quality mic pres.

Featuring archival-grade converters, dedicated analog-domain sends and returns, analog domain 7.1 monitor controller, AES interfacing, extensive front panel control with precision front panel metering all built atop Metric Halo’s 5th generation 2d processing, and Mixing and FireWire interfacing platform, the LIO-8 Digital Audio Processor delivers professional audio.

While the 2d card includes the basic processing bundle with every card, adding a +DSP license will allow you to take advantage of the increased processing power of the DSP and the ease of inserting plug-ins directly into mixer channels. The +DSP license includes a variety of additional plug-ins including Multi-band EQs, Compressor, Limiter, Distortion Processors, and many more. With the +DSP license, you also gain access to insertable graphs which allow you to build your own secret weapon processors - wrapped up, phase compensated graphs of plug-ins that may be re-inserted on demand.

MIO Console v.5 automatically extends any +DSP license on any attached box to all the boxes attached to your system (for boxes that are 2d expanded) while the boxes are attached. This means you can use any +DSP plug-in or macro on any box in your system, as long as at least one +DSP licensed box is attached. If you need to store +DSP plug-ins in persistent states or tend to split your boxes into multiple systems, you will need to license each box that needs to use the +DSP license independently.

8 channels of archival quality, zero-phase distortion DC-coupled, calibrated 192 k A / D
10 channels of archival quality, zero-phase distortion DC-coupled, calibrated 192 k D / A
2 channels of exceptional ultra High-Z direct input for instruments
8 In and 8 Out 192 k AES interface
Full featured front panel tactile control surface for standalone and connected operation
8 channels of analog domain send (for analog S / R before conversion and analog preamp output)
Per channel selectable character
Word clock in and out
Digitally controlled analog domain monitor control
Full featured 15 segment precision metering
SMPTE I / O channels
MIDI I / O for direct connect of Mackie Control Protocol Control Surface
Integrated mixing and deep instantiable DSP processing
Rock Solid Stability: Mature, real-world-tested firmware and 5th generation software and drivers
FireWire interfacing with ultra-stable, ultra low-latency drivers (FW400 & FW800 supported)
Good power performance (only 32W - DC / Battery powered)
Low mass (8.50 lb (3.86 kg))
Compact (everything in 1 RU)
Rack mountable
2d Card +DSP Features
Character (22 types)

Multibus mixer

Surround support

Monitor controller


M/S decoder

Short delay



Transient control

MIO EQ 6 / MIO EQ 12

MIO State Variable Filter

MIO Comp / MIO Limit

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 (infinite possibilities)

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 / ModVerb

Med diffuse room / 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



Closed 2 x 12 / Closed 2 x 12 with Air

4 x 12 Cab

UPC: 832081000378
In the Box
Metric Halo LIO-8 Line-Level Digital Audio Processor with 4 Preamp +DSP
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Metric Halo LIO-8 specs

    Input Impedance 3.3 kΩ
    Dynamic Range 115 dB (-60 dB, flat 0 to 22.05 kHz, type)

    118 dB (-60 dB, A-weighted, type)

    Noise Floor 115 dB (flat 0-22.05 kHz, type)

    117.9 dB: (A-weighted, type)

    Gain Gain Range: -22 to 91.5 dB

    Gain Precision: ±0.05 dB

    Gain Step: 0.5 dB

    Loop Outputs THD D/A/A/D loop at -12 dBFS: 0.0007%

    THD D/A/A/D loop at -12 dBFS +12 dB Gain: 0.0015%

    THD D/A/A/D loop at -0 dBFS: 0.0023%

    Crosstalk -110 dB (at 1 kHz)
    IMD IMD 1 k component (19 kHz / 20kHz at +8 dBu): -104 dBu
    EIN EIN at 60 dB Gain (150 Ω Source Impedance): -130.50 dBu

    EIN at 60 dB Gain (0 Ω Source Impedance): -133.25 dBu

    Calibration Analog Send Calibration (ADC = 0 dBFS): +21.5 dBu
    Phantom Power Phantom Power (Switch-able Per Channel): +48 V
    Frequency Response +0/-0.1 dB at fs = 44100 Hz: 8.9 Hz to 20.5 kHz

    +0/-1.0 dB at fs = 44100 Hz: 2.9 Hz to 21.0 kHz

    +0/-0.1 dB at fs = 96000 Hz: 8.9 Hz to 43.9 kHz

    +0/-1.0 dB at fs = 96000 Hz: 2.9 Hz to 45.4 kHz

    +0/-0.1 dB at fs = 192000 Hz: 8.9 Hz to 42.1 kHz

    +0/-1.0 dB at fs = 192000 Hz: 2.9 Hz to 64.7 kHz

    Deviation 5° Low-End In-Channel Phase Deviation Point: 20.0 Hz
    Channel Interchannel Phase 0 Hz to 20 kHz: < ± 0.05°
    Crosstalk Crosstalk from SMPTE Input: < -142 dB

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