SPECIFICATIONS

MICROPHONE PREAMPLIFIER:

(measurement includes ADC signal path)

MIC GAIN:	0 to 66 dB (inc. +10 dB software boost)
LINE GAIN:	-10 to 56 dB (-10dB hardwired line pad)
PHANTOM POWER:	48V ±4V @ 10mA/Channel (12VDC only)*
MIC EIN:	<-127.0 dBu
CMRR:	>80 dB @ 1kHz
MAXIMUM INPUT LEVEL:	+12 dBu (0 dBFS digital Maximum)
INPUT IMPEDANCE (Mic):	2.8 kΩ Balanced
INPUT IMPEDANCE (Line):	>8kΩ Balanced
FREQUENCY RESPONSE:	±0.1 dB 20Hz to 22kHz @ min. gain ±1.0 dB 20Hz to 22kHz @ max. gain
CROSSTALK:	<-90 dBu
THD+N @ 0dBu (1kHz):	0.0025% (-92 dBu)
SNR:	96 dB un-weighted, 99 dB A-weighted
XLR Combi Female	Pin 2 (Hot), Pin 3 (Cold) & Pin 1 (Shield)
1/4″ TRS Jack	Tip (Hot), Ring (Cold) & Sleeve (Shield)

D.I (Channel 1):

D.I GAIN:	0 to 66 dB (inc. +10 dB software boost)
MAXIMUM INPUT LEVEL:	+9 dBu (0.6% THD typical)
INPUT IMPEDANCE:	>500kΩ Unbalanced
FREQUENCY RESPONSE:	±0.1 dB 20Hz to 22kHz
THD+N @ 0dBu (1kHz):	<0.04% all musical 2nd and 3rd harmonics
SNR:	95 dB un-weighted, 98 dB A-weighted
1/4” JACK:	TIP (Hot) & SLEEVE (Shield)

ANALOGUE TO DIGITAL CONVERTER (ADC 1 & 2):

(measured sans microphone preamplifier under AES-17)

MAXIMUM INPUT LEVEL:	+12 dBu (0 dBFS digital maximum)
DIGITAL REFERENCE LEVEL:	+12 dBu = 0 dBFS
FREQUENCY RESPONSE:	±0.1 dB 10Hz to Fs/2 (flat to nyquist)
CROSSTALK:	-100 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):	<0.002% (-94 dB)
THD+N @ -6dBFS (1kHz):	<0.0015% (-97 dB)
DYNAMIC RANGE:	113 dB un-weighted 116 dB A-weighted

DIGITAL TO ANALOGUE CONVERTER (DAC 1&2):

(measured under AES-17 at line outputs 1&2)

MAXIMUM OUTPUT LEVEL:	+12 dBu (0 dBFS digital maximum)
DIGITAL REFERENCE LEVEL:	+12 dBu = 0 dBFS
OUTPUT IMPEDANCE	<100Ω Balanced
FREQUENCY RESPONSE:	±0.1 dB 10Hz to Fs/2 (flat to nyquist)
CROSSTALK:	<-105 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):	<0.003% (-90.5 dB)
DYNAMIC RANGE:	114 dB un-weighted 117 dB A-weighted
1/4″ TRS Jack	Tip (Hot), Ring (Cold) & Sleeve (Shield)

HEADPHONE OUTPUT (DAC 3&4):

(measured under AES-17 at phones output)

MAXIMUM OUTPUT LEVEL:	+12 dBu
DIGITAL REFERENCE LEVEL:	+12 dBu = 0 dBFS
VOLTAGE GAIN:	+6 dB (optimised for loudness)
OUTPUT IMPEDANCE:	<30 Ω Balanced
FREQUENCY RESPONSE:	±1.0 dB 10Hz to Fs/2 (load dependant)
CROSSTALK:	-100 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):	<0.002% (-94 dB)
DYNAMIC RANGE:	108 dB un-weighted 111 dB A-weighted
MAX LEVEL INTO 30ohms:	+4 dBu, 0.005% THD+N, Power: 101mW
MAX LEVEL INTO 60ohms:	+5 dBu, 0.004% THD+N, Power: 64mW
MAX LEVEL INTO 600ohms:	+13 dBu, 0.0025% THD+N, Power: 39mW
1/4” JACK:	TIP (Left), RING (Right) & SLEEVE (Shield)

DIGITAL INPUT:

8-CHANNEL ADAT:	44.1kHz to 48kHz
4-CHANNEL ADAT:	88.2kHz to 96kHz SMUX
STEREO S/PDIF / TOSLINK	44.1kHz to 96kHz (Stereo)

USB 2.0 HIGH SPEED:

BUS POWER:	500mA @5V System Limit 425mA @5V Maximum (No 48V) (Phantom power only available on 12VDC)*
No. of INPUT CHANNELS:	10 (2 Analogue, 8 Digital)
No. of OUTPUT CHANNELS:	4 (4 Analogue)
DSP MIXER LATENCY:	ROUND TRIP (in-to-out) 44.1kHz 1.660ms 48.0kHz 1.531ms 88.2kHz 0.844ms 96.0kHz 0.771ms

DAW Roundtrip Software Monitoring Latency @ 32 Sample Buffer (in to out):

44.1 kHz	6.52ms
96.0 kHz	4.65ms

VDO