
Specifications
I/O Complement
Simultaneous Channel I/O Count (analog + digital)
16 x 22 (ADAT mode)
Microphone Inputs
Eight
High Impedance (Hi-Z) Instrument Inputs
Two
Analog Line Inputs
Eight
Analog Line Outputs (DC coupled)
Eight (10 including Monitor outputs)
Analog Monitor Outputs (DC coupled)
Two (one stereo pair)
Headphone Outputs
Two stereo
Digital Audio Ports (ADAT or S/PDIF, selectable)
Two inputs, two outputs
Thunderbolt 3 Ports
Two (Mac only: Thunderbolt 1 and 2 via Apple Thunderbolt 3 to Thunderbolt 2 adapter)
Word Clock
One input, one output
A/D - D/A Conversion
Simultaneous A/D Conversion
Eight channels
Simultaneous D/A Conversion
14 channels
Supported Sample Rates (kHz)
44.1, 48, 88.2, 96, 176.4, 192
Bit Depth Per Sample
24
Analog Round-Trip Latency
1.1 milliseconds @ 96 kHz sample rate
Analog Round-Trip Latency through four UAD legacy plug-ins (included) via UAD Console software
1.1 milliseconds @ 96 kHz sample rate (no additional latency via Realtime UAD Processing)
Microphone Inputs 1-8
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 K Ohm
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 K Ohm 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 M Ohm
Gain Range
+10 dB to +65 dB
Connector Type
1/4" female TS unbalanced
Line Inputs 1-8
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 K Ohm
Gain Range
+10 dB to +65 dB
Connector Type
Eight 1/4" female TRS balanced (combo XLR/TRS); One female DB25 (Tascam wiring), normalled
Line Outputs 1-8
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 @ +4 dBu reference
24 dBu
Maximum Output Level @ -10 dBV reference
10 dBV (12.2 dBu)
Output Impedance
100 Ohm
Connector Type
Female DB25 (Tascam wiring)
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 @ +4 dBu reference
24 dBu
Maximum Output Level @ -10 dBV reference
10 dBV (12.2 dBu)
Output Impedance
100 Ohm
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 Ohm load (1 kHz @ 16.8 dBu, -1 dBFS)
-117 dB (0.00014%)
THD + Noise, 600 Ohm load (1 kHz @ 17.3 dBu, -1 dBFS)
-118 dB (0.00013%)
Maximum Output Level, 300 Ohm load (1 kHz, 0 dBFS)
17.8 dBu
Maximum Output Level, 600 Ohm load (1 kHz, 0 dBFS)
18.3 dBu
Maximum Output Power (RMS), 300 Ohm load (1 kHz @ 17.8 dBu, 0 dBFS)
120 mW
Maximum Output Power (RMS), 600 Ohm load (1 kHz @ 18.3 dBu, 0 dBFS)
67 mW
Connector Type
1/4" female TRS stereo
Digital I/O
Connector Type (S/PDIF or ADAT, selectable)
Optical TOSLINK JIS F05
S/PDIF
Format
IEC 958
Supported Sample Rates (kHz)
44.1, 48, 88.2, 96
S/PDIF Channels
One stereo input, one stereo output
ADAT
Connector Type (shared with S/PDIF)
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 Ohm, switchable
Synchronization 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 (Width x Depth x Height)
23.62" x 16.73" x 7.68" (600 mm x 425 mm x 195 mm)
Weight
Shipping Weight (with box & accessories)
17.2 lbs (7.8 kg)
Weight (bare unit)
8.9 lbs (4.02 kg)
Package Contents
Included
Apollo x8p Audio Interface; External Power Supply; AC Power Cable (IEC, region specific: USA, EU, UK, ANZ, or Japan); Set of (4) Rack-Mount Screws; Getting Started URL Card
Included Plug-Ins (UAD Analog Classics)
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
Why Choose SoundPro?
Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.