General Specifications
Device Type: Dual 1073 Channel Strip and USB/ADAT Audio Interface
Form Factor: 2U 19” Rackmount
Construction: Class-A discrete topology with transformer-balanced I/O
Transformers: Hand-wound Marinair® input/output transformers
EQ Type: 3-band inductor EQ with choke-based HPF
Digital Connectivity: USB 2.0 Type-B, ADAT In/Out (TOSLINK), Word Clock Out (BNC)
Digital Modes: USB/ADAT Hub Mode, ADAT Expander Mode
Monitoring: Hardware monitoring with mono/stereo blend, headphone and speaker control
Control Interface: Front-panel rotary controls and switches
Weight: 5.475 kg / 12.07 lbs
Dimensions: 88 mm (H) x 480 mm (W) x 360 mm (D)
Power Supply: Neve PS12221
Voltage: 100–240 Vac
Current: 0.2 A @ 240 Vac
Gain
Mic Gain Range: +20 dB to +80 dB (13 steps, 5 dB increments)
Line Gain Range: –10 dB to +20 dB (7 steps, 5 dB increments)
DI Gain Range: +20 dB to +80 dB (mic path)
Input/Output
Mic Input Impedance: 1200 Ω / 300 Ω (Lo-Z switchable)
Line Input Impedance: 10 kΩ
DI Input Impedance: 2 MΩ (default) / 200 kΩ (with –20 dB pad)
Mic Max Input Level: +6 dBu (Min Gain), –52 dBu (Max Gain)
Line Max Input Level: +36 dBu (Min Gain), +6 dBu (Max Gain)
DI Max Input Level: +6 dBu (Min Gain), –56 dBu (Max Gain)
Insert Send/Return Level: +26 dBu (balanced TRS)
Main Output (XLR): +26 dBu max
Monitor Output: +20 dBu max
Headphone Output: +14 dBu max @ 600 Ω load
EQ Section
High Shelf: ±16 dB at 12 kHz
Mid Band: ±18 dB peaking, selectable at 0.36, 0.7, 1.6, 3.2, 4.8, 7.2 kHz
Low Shelf: ±16 dB, selectable at 35, 60, 110, 220 Hz
High-Pass Filter: 18 dB/oct, selectable at 50, 80, 160, 300 Hz
Digital Conversion (USB/ADAT)
ADC: 24-bit / 192 kHz, THD+N <0.002%, Dynamic Range >119 dB
DAC: 24-bit / 192 kHz, THD+N <0.001%, Dynamic Range >117 dB
ADAT Output Channels: 8 @ 44.1–48 kHz, 4 @ 88.2–96 kHz, 2 @ 176.4–192 kHz
ADAT Input Channels: 8 @ 44.1–48 kHz, 4 @ 88.2–96 kHz, 2 @ 176.4–192 kHz
Monitoring
Monitor Modes: Mono, Stereo, Blend (DPX+DAW), DAW-only, External Line In
Monitor Output Routing: Selectable source via rotary switch (short/long press)
Headphone Output Routing: Independent from Monitor, supports DAW 1/2 or 3/4
Monitor Attenuation: Full-range pots with -10 dB detent (HP level only)
Blend Control: Smooth mix between live (DPX) and DAW returns for latency-free monitoring
Connectivity
Mic/Line Inputs: Rear XLR (x2), Front Combo XLR/TRS (x2)
DI Inputs: Front TRS (x2)
Line Outputs: XLR (x2)
Insert Send/Return: TRS (x2 pairs)
Monitor Inputs: TRS (L/R)
Monitor Outputs: XLR (L/R)
Headphone Output: TRS
USB: USB 2.0 Type-B (10-in/12-out)
ADAT: Optical In/Out (TOSLINK)
Word Clock: BNC Out
Metering
LED Meter Range: –30 dBu to +24 dBu (7-step PPM)
Meter Source: Selectable (Input, EQ, Output)
Clip Indication: Red LED for each metering source
