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Universal Audio Apollo x6 Gen 2 Audio Interface 1U Rackmount Thunderbolt | UAD Analog Classics

Universal Audio Apollo x6 Gen 2 Audio Interface 1U Rackmount Thunderbolt | UAD Analog Classics

SoundPro Item: 146474 | Part Number: APX6G2-ESS

$2,599.00
$3,124.00 $2,599.00
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MSRP: $3,124.00 | MAP: $2,599.00

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  • Unison Preamp Technology Captures Authentic Impedance And Gain Staging Of Classic Hardware
  • HEXA Core DSP Enables Complex UAD Plug-In Chains With No Added Monitoring Latency
  • Dual-Crystal Clocking Maintains Ultra-Low Jitter Across All Supported Sample Rates
  • Apollo Monitor Correction Powered By Sonarworks Delivers Accurate Playback In Any Room
  • Auto-Gain Automatically Sets Optimal Input Levels Across Multiple Channels Simultaneously
  • Bass Management And 5.1 Surround Support Built Into The UAD Console App
  • Thunderbolt Daisy-Chain Expandability Links Up To Four Apollo Interfaces For Larger Sessions
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The Apollo x6 Gen 2 is built for producers and project studio engineers who demand the highest-resolution audio conversion available in a rackmount interface without the additional analog preamp channels of larger Apollo X models. Its Gen 2 D/A converters deliver 130 dB dynamic range on the monitor outputs — the best UA has ever shipped in an Apollo — paired with Apollo Monitor Correction powered by Sonarworks for accurate playback across any monitoring environment, from near-field studios to headphone-based editing suites.

With two Unison mic preamps, two front-panel Hi-Z inputs, and six balanced line inputs, the Apollo x6 Gen 2 covers the I/O demands of a busy project studio while Dual-Crystal Clocking keeps jitter in check at every supported sample rate. HEXA Core DSP onboard runs over 200 UAD plug-ins — compressors, EQs, tape machines, and amp sims from Neve, SSL, Manley, API, and beyond — at the 1.1 ms analog round-trip latency that makes tracking through heavy plug-in chains practical rather than theoretical.

The UAD Console app ties the system together, handling low-latency cue mixes, plug-in routing, Auto-Gain level setting, Bass Management for subwoofer integration, and 5.1 surround monitoring. Up to four Thunderbolt Apollo interfaces can be linked for sessions that outgrow a single unit, and the full DAW compatibility list covers LUNA, Pro Tools, Logic Pro, Cubase, and Ableton Live — making the Apollo x6 Gen 2 a long-term investment rather than a single-project tool.

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Specifications

I/O Complement
Simultaneous Channel I/O Count (analog + digital)
16 x 22
Microphone Inputs
Two
High Impedance (Hi-Z) Instrument Inputs
Two
Analog Line Inputs
Six
Analog Line Outputs (DC coupled)
Six (eight including Monitor outputs)
Analog Monitor Outputs (DC coupled)
Two (one stereo pair)
Headphone Outputs
Two stereo
Digital Audio Ports (ADAT)
Two inputs, two outputs
Digital Audio Ports (S/PDIF)
One input, one output
Thunderbolt 3 Ports
Two
Word Clock
One input, one output
A/D - D/A Conversion
Simultaneous A/D Conversion
Six channels
Simultaneous D/A Conversion
12 channels
Available Sample Rates (kHz)
44.1, 48, 88.2, 96, 176.4, 192
Bit Depth Per Sample
24
Analog Round-Trip Latency
1.1 ms @ 96 kHz sample rate
Analog Round-Trip Latency (through four UAD legacy plug-ins via UAD Console)
1.1 ms @ 96 kHz sample rate (no additional latency via Realtime UAD Processing)
Microphone Inputs 1-2
Frequency Response
20 Hz - 20 kHz, ±0.07 dB
Dynamic Range
123 dB (A-weighted)
THD + Noise (1 kHz @ 25 dBu, -1 dBFS)
-115 dB (0.00018%)
Maximum Input Level (PAD on)
26 dBu
Default Input Impedance (variable via Unison plug-ins)
5.4 kΩ
Gain Range
+10 dB to +65 dB
Pad Attenuation (switchable per mic input)
20 dB (variable via Unison plug-ins)
Phantom Power (switchable per mic input)
+48V
Connector Type
XLR female, pin 2 positive (combo XLR/TRS)
Hi-Z Inputs 1 & 2 (600 kΩ input termination)
Frequency Response
20 Hz - 20 kHz, ±0.08 dB
Dynamic Range
122 dB (A-weighted)
THD + Noise (1 kHz @ 9.6 dBu, -1 dBFS)
-111 dB (0.00028%)
Maximum Input Level (at minimum gain)
12.6 dBu
Default Input Impedance (variable via Unison plug-ins)
1 MΩ
Gain Range
+10 dB to +65 dB
Connector Type
1/4" female TS unbalanced
Line Inputs 1-6
Frequency Response
20 Hz - 20 kHz, ±0.07 dB
Dynamic Range
124 dB (A-weighted)
THD + Noise (1 kHz @ 23 dBu, -1 dBFS)
-116 dB (0.00016%)
Maximum Input Level
24 dBu
Input Impedance
10 kΩ
Gain Range (inputs 1 & 2 only)
+10 dB to +65 dB
Connector Type
1/4" female TRS balanced
Line Outputs 1-6
Frequency Response
20 Hz - 20 kHz, ±0.05 dB
Dynamic Range
127 dB (A-weighted)
THD + Noise (1 kHz @ 23 dBu, -1 dBFS)
-119 dB (0.00011%)
Maximum Output Level (reference level @ +4 dBu)
24 dBu
Maximum Output Level (reference level @ -10 dBV)
12.2 dBu
Output Impedance
100 Ω
Connector Type
1/4" female TRS balanced
Monitor Outputs L & R
Frequency Response
20 Hz - 20 kHz, ±0.02 dB
Dynamic Range
130 dB (A-weighted)
THD + Noise (1 kHz @ 23 dBu, -1 dBFS)
-127 dB (0.000045%)
Maximum Output Level (reference level @ +4 dBu)
24 dBu
Maximum Output Level (reference level @ -10 dBV)
12.2 dBu
Output Impedance
100 Ω
Connector Type
1/4" female TRS balanced
Stereo Headphone Outputs 1 & 2
Frequency Response
20 Hz - 20 kHz, ±0.02 dB
Dynamic Range
126 dB (A-weighted)
THD + Noise (300 Ω load, 1 kHz @ 16.8 dBu, -1 dBFS)
-117 dB (0.00014%)
THD + Noise (600 Ω load, 1 kHz @ 17.3 dBu, -1 dBFS)
-118 dB (0.00013%)
Maximum Output Level (300 Ω load, 1 kHz, 0 dBFS)
17.8 dBu
Maximum Output Level (600 Ω load, 1 kHz, 0 dBFS)
18.3 dBu
Maximum Output Power RMS (300 Ω load, 1 kHz @ 17.8 dBu, 0 dBFS)
120 mW
Maximum Output Power RMS (600 Ω load, 1 kHz @ 18.3 dBu, 0 dBFS)
67 mW
Connector Type
1/4" female TRS stereo
S/PDIF
S/PDIF Channels
One stereo input, one stereo output
Connector Type
Female Phono (RCA)
Format
IEC 958
Supported Sample Rates (kHz)
44.1, 48, 88.2, 96, 176.4, 192
ADAT
ADAT Channels
Up to eight input & eight output channels
Connector Type
Optical TOSLINK JIS F05
Format
ADAT 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
±4% of any supported sample rate
Word Clock Input Termination
75 Ω, switchable
Synchronization Sources
Sources
Internal, Word Clock, ADAT, S/PDIF
Electrical
Power Supply
External AC-to-DC power supply, level VI compliant
AC Input Connector Type
IEC male
AC Requirements
100V - 240V AC, 47 - 63 Hz, 1.6 A max
DC Connector Type
XLR 4-pin locking male (Neutrik P/N NC4MDM3-H)
DC Requirements
12 VDC, 9 A
Maximum Power Consumption
72 Watts (30 W typical)
Environmental
Ambient Temperature Range
32° to 104° F (0° to 40° C)
Dimensions
Width
19" (482.6 mm)
Height (1U rack space)
1.74" (44.2 mm)
Depth, Chassis Only
12" (305 mm)
Depth, Including Knob & Jack Protrusions
13.5" (343.1 mm)
Shipping Box (W x D x H)
23.62" x 16.73" x 7.68" (600 mm x 425 mm x 195 mm)
Weight
Shipping Weight (with box & accessories)
16.89 lbs (7.66 kg)
Weight (bare unit)
8.7 lbs (3.95 kg)
Package Contents
Contents
Apollo x6 Gen 2 Audio Interface, External Power Supply, AC Power Cable (IEC, region specific), Set of (4) Rack-Mount Screws, Getting Started URL Card
Included Plug-Ins (UAD Analog Classics)
Total Included Plug-Ins
Over 30
Channel Strips & Preamps
Century Tube Channel Strip, CS-1 Channel Strip, LA-6176 Signature Channel Strip, Precision Channel Strip, UA 610-A Preamp & EQ, UA 610-B Preamp & EQ
Compressors / Limiters
Fairchild 670 Legacy Compressor, Teletronix LA-2A Legacy Leveling Amplifier, Teletronix LA-2A Tube Compressor, Precision Buss Compressor, UA 1176 FET Compressor, UA 1176LN Legacy, UA 1176SE Legacy
Equalizers
Precision Equalizer, Pultec EQP-1A Legacy EQ, Pultec Pro Legacy EQ
Special Processing
Oxide Tape Recorder, Precision De-Esser, Precision Enhancer Hz, Precision Enhancer kHz, Vibe Analog Machines Essentials
Instruments
PolyMAX Polyphonic Synth
Delay & Modulation
Galaxy Tape Echo, Precision Delay Mod, Precision Delay Mod L
Reverbs & Rooms
Precision Reflection Engine, Pure Plate Reverb
Mastering
Precision Limiter, Precision Maximizer, Precision Multiband
Guitar & Bass
Bermuda Triangle, Raw Distortion, TS Overdrive Pedal, UAD Lion '68 Super Lead Amp, UAD Showtime '64 Tube Amp

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