General Specifications
Device Type: Rackmount Thunderbolt 3 Audio Interface
I/O Configuration: 16 x 22 simultaneous channels
DSP Processing: HEXA Core
DSP Processors: 6 SHARC processors
Audio Resolution: 24-bit / 192 kHz
A/D Conversion: 6 channels
D/A Conversion: 12 channels
Analog Round-Trip Latency: 1.1 ms at 96 kHz
Realtime Processing: UAD plug-in processing on analog and digital inputs
Included Software Version: Essentials+
Included Plug-Ins: 30+ UAD Analog Classics plug-ins
Plug-In Formats: VST, AU, AAX 64
DAW Compatibility: LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live
Input Specifications
Microphone Inputs: 2 XLR
Mic Preamp Type: Unison digitally controlled analog preamps
Hi-Z Instrument Inputs: 2 front-panel 1/4" TS
Line Inputs: 6 balanced 1/4" TRS
Digital Inputs: ADAT Optical, S/PDIF Coaxial
Word Clock Input: BNC
Mic Input Gain Range: +10 dB to +65 dB
Hi-Z Input Gain Range: +10 dB to +65 dB
Line Input Gain Range: +10 dB to +65 dB on inputs 1–2
Mic Input Maximum Level: 26 dBu with pad enabled
Hi-Z Input Maximum Level: 12.6 dBu
Line Input Maximum Level: 24 dBu
Mic Input Dynamic Range: 123 dB A-weighted
Hi-Z Input Dynamic Range: 122 dB A-weighted
Line Input Dynamic Range: 124 dB A-weighted
Mic Input Impedance: 5.4 kΩ default, variable via Unison plug-ins
Hi-Z Input Impedance: 1 MΩ default, variable via Unison plug-ins
Line Input Impedance: 10 kΩ
Phantom Power: +48V switchable per mic input
Pad: 20 dB switchable per mic input
Low Cut Filter: 75 Hz, 12 dB per octave
Polarity Inversion: Switchable
Stereo Link: Inputs 1–2
Output Specifications
Line Outputs: 6 balanced 1/4" TRS
Monitor Outputs: 2 balanced 1/4" TRS
Headphone Outputs: 2 front-panel 1/4" TRS stereo
Digital Outputs: ADAT Optical, S/PDIF Coaxial
Word Clock Output: BNC
Line Output Maximum Level: 24 dBu at +4 dBu reference
Monitor Output Maximum Level: 24 dBu at +4 dBu reference
Line Output Dynamic Range: 127 dB A-weighted
Monitor Output Dynamic Range: 130 dB A-weighted
Headphone Output Dynamic Range: 126 dB A-weighted
Line Output THD+N: -119 dB
Monitor Output THD+N: -127 dB
Line Output Impedance: 100 Ω
Monitor Output Impedance: 100 Ω
Line Output Reference Levels: +4 dBu, -10 dBV
Monitor Output Reference Levels: +4 dBu, -10 dBV
Line Output Headroom: +20 dBu or +24 dBu
Monitor Control: Front-panel level and mute
Alternate Monitor Outputs: Up to 2 stereo pairs
Surround Monitoring: Up to 5.1
Bass Management: Supported
Talkback: Integrated front-panel microphone
Digital I/O
Thunderbolt Ports: 2 Thunderbolt 3
ADAT Ports: 2 inputs, 2 outputs
ADAT Format: ADAT Lightpipe with S/MUX
ADAT Channels: Up to 8 input and 8 output
S/PDIF Ports: 1 stereo input, 1 stereo output
S/PDIF Connector Type: RCA coaxial
S/PDIF Format: IEC 958
Word Clock Connector Type: BNC
Word Clock Termination: 75 Ω switchable
Clock Sources: Internal, Word Clock, ADAT, S/PDIF
Supported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
Monitoring Specifications
Monitor Correction: Apollo Monitor Correction powered by Sonarworks
Monitor Output Metering: 10-segment LED
Channel Metering: 10-segment LED for analog channels 1–6
Meter Modes: Input, Output
Headphone Mixes: 2 independent stereo headphone outputs
Cue Mix Support: UAD Console cue routing
Monitor Functions: Mute, Dim, Mono, Talkback, ALT speaker switching
S/PDIF Monitor Mirroring: Supported
Software Features
Control Software: UAD Console
Console Features: Auto-Gain, Plug-In Scenes, Bass Management, immersive audio support
Unison Support: Mic preamp, guitar amp, and pedal plug-in integration
Realtime UAD Processing: Sub-2 ms range
Console Recall Plug-In: Supported
UAD Meter & Control Panel: Supported
Firmware Updates: Supported through UAD software
Native and DSP Hybrid Workflow: Supported
Essentials+ Included Plug-In Categories
Included Plug-Ins: 30+ UAD Classics plug-ins
Channel Strips and Preamps: 6 plug-ins
Compressors and Limiters: 7 plug-ins
Equalizers: 3 plug-ins
Special Processing: 5 plug-ins
Instruments: 1 plug-in
Delay and Modulation: 3 plug-ins
Reverbs and Rooms: 2 plug-ins
Mastering: 3 plug-ins
Guitar and Bass: 5 plug-ins
Analog Performance
Mic Input Frequency Response: 20 Hz – 20 kHz, ±0.07 dB
Hi-Z Input Frequency Response: 20 Hz – 20 kHz, ±0.08 dB
Line Input Frequency Response: 20 Hz – 20 kHz, ±0.07 dB
Line Output Frequency Response: 20 Hz – 20 kHz, ±0.05 dB
Monitor Output Frequency Response: 20 Hz – 20 kHz, ±0.02 dB
Headphone Output Frequency Response: 20 Hz – 20 kHz, ±0.02 dB
Mic Input THD+N: -115 dB
Hi-Z Input THD+N: -111 dB
Line Input THD+N: -116 dB
Headphone Specifications
Headphone Output Maximum Level: 17.8 dBu at 300 Ω
Headphone Output Maximum Level: 18.3 dBu at 600 Ω
Headphone Output Power: 120 mW at 300 Ω
Headphone Output Power: 67 mW at 600 Ω
Headphone Connector Type: 1/4" TRS stereo
Expansion Specifications
Multi-Unit Expansion: Up to 4 Thunderbolt Apollo interfaces
Maximum Expanded I/O: Up to 128 channels
UAD Device Expansion: Up to 6 UAD devices total
Thunderbolt Daisy-Chaining: Supported
Dante Expansion: Supported via select Apollo models
Power Specifications
Power Supply Type: External AC-to-DC
AC Input: 100–240V AC, 47–63 Hz
DC Input: 12 VDC, 9 A
Maximum Power Consumption: 72 W
Typical Power Consumption: 30 W
Power Connector: 4-pin locking XLR
Physical Specifications
Rack Size: 1U
Width: 19" / 482.6 mm
Height: 1.74" / 44.2 mm
Depth: 12" / 305 mm
Depth with Protrusions: 13.5" / 343.1 mm
Weight: 8.7 lb / 3.95 kg
Operating Temperature: 32°F to 104°F / 0°C to 40°C
Included Items
Audio Interface: Included
External Power Supply: Included
AC Power Cable: Region-specific
Rack-Mount Screws: 4
Getting Started URL Card: Included
