$ 2,499.00 -20%
$ 1,999.00
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Apollo 8 is an elegant update to one of the world’s most popular professional audio interfaces — delivering enhanced sound with the tone, feel, and flow of analog recording. This 18 x 24 Thunderbolt 2 interface offers genuine UA analog design, and next-generation A/D and D/A conversion, putting class-leading audio quality in a sleek new package.
Built on UA's 50 year legacy of analog design excellence, Apollo 8 also features powerful UAD-2 QUAD or DUO processing and four onboard Unison™ mic preamps, delivering sonic performance that surpasses anything in its class.
Front & Rear Panels

The Apollo 8 interface places all the most commonly used recording and monitoring features right on the front panel, for fast, direct access. Similarly, its rear panel provides all the dedicated, high-quality I/O needed for a typical production studio.

Features and Specs
Audio Interface
  • Sample rates up to 192 kHz at 24-bit word length
  • 18 x 24 simultaneous input/output channels:
  • Eight channels of analog-to-digital conversion via mic, line, or high-impedance inputs
  • 14 channels of digital-to-analog conversion via:
    • Eight mono line outputs
    • Stereo monitor outputs (switchable to fixed line outputs)
    • Two stereo headphone outputs
  • 10 channels of digital I/O via:
    • Eight channels ADAT Optical Lightpipe I/O with S/MUX for high sample rates
    • Two channels coaxial S/PDIF I/O with sample rate conversion
  • Two Thunderbolt 2 ports facilitates daisy-chaining of other Thunderbolt devices
  • Cascade up to 4 Apollo interfaces and 6 UAD devices total over Thunderbolt (Mac)
Microphone Preamplifiers
  • Four high-resolution, ultra-transparent, digitally-controlled analog mic preamps
  • Unison™ technology for deep integration with UAD preamp and pedal plug-ins
  • Front panel and software control of all preamp parameters
  • Switchable low cut filter, 48V phantom power, pad, polarity inversion, and stereo linking
Monitoring
  • Stereo monitor outputs (independent of the eight line outputs)
  • Digitally-controlled analog monitor outputs maintains highest fidelity
  • Front panel control of monitor levels and muting
  • Two stereo headphone outputs with independent mix buses
  • Independent front panel volume controls for headphone outputs
  • Front panel pre-fader metering of monitor bus levels
  • S/PDIF outputs can be set to mirror the monitor outputs
  • Up to two alternate stereo monitor outputs selectable via front panel or Console software
  • Assignable front panel monitor function switch for alternate speakers, dim, & mono
UAD-2 Inside
  • DUO and QUAD models featuring two or four SHARC® processors
  • Realtime UAD Processing on all analog and digital inputs
  • Same features and functionality as other UAD-2 devices when used with DAW
  • Can be combined with other UAD-2 devices for increased mixing DSP
  • Includes UAD Powered Plug-Ins “Realtime Analog Classics Plus” bundle
  • Complete UAD plug-ins library is available at the UA online store
Software
  • Console application:
    • Analog-style control interface for realtime monitoring and tracking
    • Enables Realtime UAD Processing with UAD plug-ins
    • Remote control of Apollo 8p features and functionality
    • Virtual I/O for routing DAW tracks through Console
  • Console Recall plug-in:
    • Saves Console configurations inside DAW sessions for easy recall
    • Convenient access to Console’s monitor controls via DAW plug-in
    • VST, RTAS, AAX 64, and Audio Units plug-in formats
  • UAD Meter & Control Panel application:
    • Configures global UAD settings and monitors system usage
  • Other
    • Easy firmware updates
    • 1U rack-mountable form factor
    • One year warranty includes parts and labor

 

System Requirements

 

Thunderbolt Systems

UAD Powered Plug-Ins version 8.7.1

  • Apple Mac computer with available Thunderbolt or Thunderbolt 2 port
  • Mac OS X 10.9 Mavericks, 10.10 Yosemite, or 10.11 El Capitan
  • 6 gigabytes available storage
  • Internet connection to download software and authorize UAD plug-ins
  • Compatible VST, Audio Units, RTAS, or AAX 64 plug-in host DAW software
  • Thunderbolt cable (sold separately)

For additional compatibility information, visit help.uaudio.com

 

Specifications

Note: All specifications are typical performance unless otherwise noted, tested under the following conditions: 48 kHz internal sample rate, 24-bit sample depth, 20 kHz measurement bandwidth, with balanced output.

System
  • I/O Complement
    • Microphone Inputs 4
    • High-Impedence (Hi-Z) Instrument Inputs 2
    • Analog Line Inputs 8
    • Analog Line Outputs 8 (ten including monitor outputs)
    • Analog Monitor Outputs 2 (one stereo pair)
    • Headphone Outputs 2 Stereo
    • ADAT Up to eight channels via dual I/O ports with S/MUX
    • S/PDIF One stereo input, one stereo output
    • Thunderbolt 2 ports 2 (Thunderbolt 1 compatible)
    • Word Clock 1 input, 1 output
  • A/D – D/A Conversion
    • Supported Sample Rates (kHz) 44.1, 48, 88.2, 96, 176.4, 192
    • Bit Depth Per Sample 24
    • Simultaneous A/D conversion 8 channels
    • Simultaneous D/A conversion 14 channels
    • Analog Round-Trip Latency 1.1 milliseconds @ 96 kHz sample rate
    • Analog Round-Trip Latency with four serial UAD-2 plug-ins via Console application 1.1 milliseconds @ 96 kHz sample rate
Analog I/O
  • Frequency Response 20 Hz – 20 kHz, ±0.1 dB
  • Microphone Inputs 1 - 4
    • Connector Type XLR Female, pin 2 positive (Combo XLR/TRS)
    • Phantom Power +48V (switchable per mic input)
    • Dynamic Range 120 dB (A–weighting)
    • Signal-to-Noise Ratio 120 dB (A–weighting)
    • Total Harmonic Distortion + Noise –110 dBFS
    • Common-Mode Rejection Ratio (CMRR) 73 dB (10’ cable)
    • Default Input Impedance 5.4K Ohms (variable via Unison plug-ins)
    • Gain Range +10 dB to +65 dB
    • Pad Attenuation 20 dB (switchable per input)
    • Maximum Input level +25 dBu (minimum gain, pad engaged)
  • Hi-Z Inputs 1 - 2
    • Connector Type ¼” Female TS Unbalanced
    • Dynamic Range 118 dB (A–weighting)
    • Signal-to-Noise Ratio 118 dB (A–weighting)
    • Total Harmonic Distortion + Noise –101.5 dBFS
    • Input Impedance 1M Ohms (variable via Unison plug-ins)
    • Gain Range +10 dB to +65 dB
    • Maximum Input Level +12 dBu
  • Line Inputs 1 – 4
    • Connector Type ¼” Female TRS Balanced (Combo XLR/TRS)
    • Dynamic Range 120 dB (A–weighting)
    • Signal-to-Noise Ratio 120 dB (A–weighting)
    • Total Harmonic Distortion + Noise –110 dBFS
    • Common-Mode Rejection Ratio (CMRR) 60 dB (10’ cable)
    • Input Impedance 10K Ohms
    • Gain Range +10 dB to +65 dB (Line Input Gain = ON)
    • Reference Level +4 dBu (Line Input Gain = BYPASS)
    • Maximum Input Level +20.2 dBu
  • Line Inputs 5 – 8
    • Connector Type ¼” Female TRS Balanced (Combo XLR/TRS)
    • Dynamic Range 120 dB (A–weighting)
    • Signal-to-Noise Ratio 120 dB (A–weighting)
    • Total Harmonic Distortion + Noise –110 dBFS
    • Common-Mode Rejection Ratio (CMRR) 60 dB (10’ cable)
    • Input Impedance 10K Ohms
    • Gain (selectable per input) +4 dBu or –10 dBV
    • Maximum Input Level (+4 dBu setting) +20.2 dBu
    • Maximum Input Level (–10 dBV setting) +6.2 dBV (unbalanced)
  • Line Outputs 1 – 8
    • Connector Type ¼” Female TRS Balanced
    • Dynamic Range 121 dB (A–weighting)
    • Signal-to-Noise Ratio 121 dB (A–weighting)
    • Total Harmonic Distortion + Noise –110 dBFS
    • Stereo Level Balance ±0.05 dB
    • Output Impedance 100 Ohms
    • Maximum Output Level +20.2 dBu
  • Monitor Outputs Left & Right
    • Connector Type ¼” Female TRS Balanced
    • Dynamic Range 121 dB (A–weighting)
    • Signal-to-Noise Ratio 121 dB (A–weighting)
    • Total Harmonic Distortion + Noise –110 dBFS
    • Stereo Level Balance ±0.01 dB
    • Output Impedance 100 Ohms
    • Maximum Output Level +20.2 dBu
  • Stereo Headphone Outputs 1 – 2
    • Connector Type ¼” Female TRS Stereo
    • Dynamic Range 118 dB (A–weighting)
    • Signal-to-Noise Ratio 118 dB (A–weighting)
    • Total Harmonic Distortion + Noise –101 dBFS
    • Maximum Output Power 160 mW into 300 ohm load
Digital I/O
  • S/PDIF
    • Connector Type Female Phono (RCA)
    • Format IEC958
    • Supported Sample Rates (kHz) 44.1, 48, 88.2, 96, 176.4, 192
  • ADAT
    • Connector Type (shared with ADAT) Optical TOSLINK JIS F05
    • Format ADAT Digital Lightpipe with S/MUX
    • Supported Sample Rates (kHz) 44.1, 48, 88.2, 96, 176.4, 192
    • Channel Assignments @ 44.1 kHz, 48 kHz Port 1 = Channels 1 – 8, Port 2 = 1 – 8 (mirrored)
    • Channel Assignments @ 88.2 kHz, 96 kHz Port 1 = Channels 1 – 4, Port 2 = Channels 5 – 8
    • Channel Assignments @ 176.4 kHz, 192 kHz Port 1 = Channels 1 – 2, Port 2 = Channels 3 – 4
  • Word Clock
    • Connector Type BNC
    • Lock Range ±0.5% of any supported sample rate
    • Word Clock Input Termination 75 Ohms, switchable
  • Synchronization Sources
    • Internal, Word Clock, S/PDIF, ADAT
Electrical
  • Power Supplies External AC to DC Power Supply, Level V compliant
  • AC Input Connector Type IEC Male
  • AC Requirements 100V – 240V AC, 50 – 60 Hz
  • DC Connector Type XLR 4-Pin Locking Male (Neutrik P/N NC4MDM3-H)
  • DC Requirements 12 VDC, ±5%
  • Maximum Power Consumption 50 Watts
Mechanical
  • Dimensions
    • Width 19”
    • Height 1.75” (1U rack space)
    • Depth, Chassis Only 12.125”
    • Depth, Including Knob & Jack Protrusions 13.5”
    • Shipping Box (Width x Depth x Height) 24” x 17” x 8”
  • Weight
    • Shipping Weight (with box & accessories) 18 pounds
    • Weight (bare unit) 9.1 pounds
  • Package Contents
    • Apollo 8 Audio Interface Unit
    • External Power Supply
    • AC Power Cable (IEC)
    • Set of (4) Rack-Mount Screws
    • Getting Started URL Card
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