Specifications

Simultaneous Inputs & Outputs

Channel Count

Up to 64 x 64

System Requirements

Computer	Apple Mac with at least one Thunderbolt or Thunderbolt 2 port (2m Thunderbolt cable included)
Other	Internet connection for downloading and installing software and driver
OS Compatibility	Please visit our OS Compatibility Checker for more information on supported operating systems.

Microphone Inputs

All measurements taken at maximum gain unless otherwise stated, Rs = 150Ω

Gain Range	0-8dB to 63dB in 1dB steps
Type	Electronically Balanced, Zin = 6.2kΩ
Max. Input Level	+19dBu ±0.5, min gain
Min. Input Level	-44dBu ±0.5
Frequency Response	20Hz – 35kHz ±0.2dB, min gain
THD + N	-101dB (0.0009%) @ -1dBFS (@ 11dB Gain)
EIN	-129dBu ‘A’-Weighted (typical)
Signal-to-Noise Ratio	119dB ‘A’-Weighted (typical), min gain
Common-Mode Rejection Ratio	50/60Hz CMRR: -70dB
Phantom Power	+48V, independently switchable per channel.
HPF	High-Pass Filter (HPF): -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel
Air Mode	2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz). Input impedance drop to 2.2kΩ

Line Inputs 1-8

All measurements taken at maximum gain unless otherwise stated, Rs = 50Ω

Type	Electronically Balanced, Zin = 10kΩ
Max. Input Level	+27dBu ±0.5, min gain
Min. Input Level	-36dBu ±0.5
Frequency Response	20Hz – 35kHz ±0.2dB, min gain
THD + N	-101dB (0.0009%) @ -1dBFS (@ 11dB Gain)
Signal-to-Noise Ratio	119dB ‘A’-Weighted (typical), min gain
Common-Mode Rejection Ratio	50/60Hz CMRR: -70dB
HPF	High-Pass Filter (HPF): -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel
Air Mode	2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz)

Line Inputs 9-16

All measurements taken at fixed input gain, Rs = 50Ω

0 dBFS Reference Level	+27dBu ±0.5
Type	Electronically Balanced, Zin = 20kΩ
Frequency Response	20Hz – 35kHz ±0.2dB
THD + N	-104dB (0.0006%) @ -1dBFS
Signal-to-Noise Ratio	119dB ‘A’-Weighted (typical)
Common-Mode Rejection Ratio	50/60Hz CMRR: -70dB

Instrument Inputs

All measurements taken at maximum gain unless otherwise stated, Rs = 600Ω

Gain Range	0-8dB to 63dB in 1dB steps
Type	Zin = 2.3MΩ
Max. Input Level	+15dBu ±0.5, min gain
Min. Input Level	-48dBu ±0.5
Frequency Response	20Hz – 35kHz ±0.2dB, min gain
THD + N	-94dB (0.002%) @ -1dBFS (@ 11dB Gain)
Signal-to-Noise Ratio	117dB ‘A’-Weighted (typical), min gain
HPF	-3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel
Air Mode	2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz)

Line Outputs 3-18

All measurements taken at maximum output level, RL = 100kΩ

0 dBFS Reference Levels	+18dBu ±0.5
Frequency Response	20Hz – 35kHz ±0.2dB
THD + N	<-102dB (0.0008%) unweighted, 20Hz – 20kHz; -1dBFS input
Dynamic Range	121dB ‘A’-weighted (typical), 20Hz – 20kHz
Output impedance	Nominal output impedance = 136Ω balanced (68Ω each phase)

Monitor Outputs

All measurements taken at maximum output level, RL = 100kΩ

Frequency Response	20Hz – 35kHz ±0.2dB
Dynamic Range	+120dB (A-Weighted)
Maximum Output Level (0 dBFS)	+18dBu ±0.5
THD+N	<-78dB (0.0012%) unweighted, 20Hz – 20kHz; -1dBFS input
Stereo Level Balance	±0.02dB @ 997Hz
Output impedance	Nominal output impedance = 136Ω balanced (68Ω each phase)

Headphone Output

All measurements taken at maximum output level, RL = 600Ω

0 dBFS Reference Levels	+16dBm ± 0.1dB
Frequency Response	20Hz – 20kHz ±0.2dB
THD + N	<-75dB (0.018%) unweighted, 20Hz – 20kHz
Stereo Level Balance	±0.05dB @ 997Hz
Dynamic Range	114dB ‘A’-weighted (typical), 20Hz – 20kHz
Output Impedance	10Ω
Headphone Impedance	32Ω – 600Ω

Crosstalk

Microphone Crosstalk

Mic Input to Input	< -70dB; 20Hz – 20kHz (driven channel at -20dBFS)
Mic Input to Output	< -100dB; 20Hz – 20kHz (driven channel at -20dBFS)
Output to Mic Input	< -130dB; 20Hz – 20kHz (driven channel at -20dBFS)

Line Crosstalk

Line Input to Line Input	< -60dB; 20Hz – 20kHz (driven channel at -20dBFS)
Line Input to Output	< -100dB; 20Hz – 20kHz (driven channel at -20dBFS)
Output to Line Input	< -115dB; 20Hz – 20kHz (driven channel at -20dBFS)

Output Crosstalk

Output to Output

< -100dB; 20Hz – 20kHz (driven channel at -20dBFS)

Headphone Crosstalk

Headphone to Headphone

< -75dB; 20Hz – 20kHz (driven channel at -20dBFS)

Digital Performance

Supported Sample Rates	44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz at 24 bit
Clock Sources	Internal, ADAT, S/PDIF, Word Clock, Loop Sync or from Dante Network Master

Front Panel Connectivity

Instrument Inputs

Channel Count	2 Channels In
Instrument Inputs	2 x 1/4″ TS stereo jack

Headphone Outputs

Channel Count	2 Stereo Channels Out
Headphone Outputs	2 x 1/4″ TRS stereo jack

Rear Panel Connectivity

Thunderbolt

Channel Count	Up to 64 In and 64 Out
Thunderbolt Ports	2 x Thunderbolt Ports (Primary Port 1 and Primary Port 2)

Pro Tools|HD

Channel Count	Up to 64 In and 64 Out (32 In and 32 Out per connection)
Primary Port	2 x Mini DigiLink

Dante

Channel Count	Up to 32 In and 32 Out
Input and Output	2 x ethernet standard RJ45 connectors (Compatible with Cat 5e and above).

Mic Inputs

Channel Count	8 In
Input	1 x DB-25 connectors (AES59)

Line Level

Channel Count	16 In and 16 Out
Input	2 x DB-25 connectors (AES59)
Output	2 x DB-25 connectors (AES59)

ADAT

Channel Count	Up to 16 In and 16 Out
Input	2 x TOSLINK connector
Output	2 x TOSLINK connector
Channel Assignments @ 44.1 kHz, 48 kHz	Port 1 = Channels 1 – 8 , Port 2 = Channels 9 – 16
Channel Assignments @ 88.2 kHz, 96 kHz	SMUXI: Port 1 = Channels 1 – 4, Port 2 = Channels 5 – 8
Channel Assignments @ 176.4 kHz, 192 kHz	SMUXII: Port 1 = Channels 1 – 2 , Port 2 = Channels 3 – 4

S/PDIF

Channel Count	2 In and 2 Out (Optical up to 96kHz)
Input	1 x RCA phono socket (1 x TOSLINK up to 96kHz)
Output	1 x RCA phono socket (1 x TOSLINK up to 96kHz)

Monitor Outputs

Channel Count	2 Out
Montor Outputs	2 x 1/4″ TRS stereo jack

Loop Sync

Loop Sync Input	1 x BNC 75Ω port
Loop Sync Output	1 x BNC 75Ω port

Word Clock

Word Clock Input	1 x BNC 75Ω port
Word Clock Output	1 x BNC 75Ω port

PSU

PSU	1 x IEC Input

Front Panel Indicators

OLED Screens	3 x Screens (menus and metering)
Control Functions	2 x Encoders (menu navigation, channel functions (Gain, +48V, Phase, HPF, Air and Mic/Line/Inst) monitor and headphone outputs (Level, Mute and Dim)). 12 x Switches (control over OLED menus & metering)

Dimensions

Height	44mm/ 1.73″
Width	483mm/ 19.02″
Depth (Chassis Only)	340mm/ 13.39″

Weight

Weight

5.14kg

Power

PSU	1 x Internal, 100-240V, 50/60Hz, consumption 65W.