Key Specifications

Front Panel Inputs

2 × 1/4" (6.3 mm) DI Inputs

Rear Panel Inputs

8 × XLR/TRS Combo Inputs

Line Outputs

1 × D-Sub Connector (Outputs 1–8 Send)

ADC Inputs

1 × D-Sub Connector (Inputs 1–8 Return)

Digital Outputs

2 × ADAT Outputs (1–8)
1 × AES/SPDIF Output
1 × Word Clock

Input Specifications

Mic Gain Range

Mic: -10 to +60 dB (-10 dB Pad)
Line: -16 to +44 dB (-10 dB Pad)
DI: -10 to +60 dB (-10 dB Pad)

Phantom Power

48 V ±4 V at 10 mA per Channel

Equivalent Input Noise (EIN)

< -127.5 dBu

CMRR

> 80 dB at 100 Hz to 10 kHz

Maximum Input Level

Mic: +22 dBu (+32 dBu with Pad)
DI: +16 dBu (Typical), +22 dBu

Input Impedance

Mic LO: 220 Ω Balanced
Mic MED: 12 kΩ Balanced
Mic HI: 28 kΩ Balanced
Line: >6 kΩ Balanced
DI: 1 MΩ Unbalanced

Frequency Response

Mic: ±0.5 dB (10 Hz to 100 kHz)
DI: ±0.5 dB (10 Hz to 50 kHz)

Crosstalk

< -85 dBu at 1 kHz and 10 kHz

THD+N

Mic: 0.003% (-90.5 dBu)
DI: <0.03% (-70 dBu)

Signal-to-Noise Ratio (SNR)

Mic: >90 dB
DI: 89 dB

High-Pass Filter

Sweepable from 25 Hz to 250 Hz, 2nd Order (12 dB/Octave)

XLR Wiring

Pin 2 (Hot), Pin 3 (Cold), Pin 1 (Shield)

1/4" TRS Wiring

Tip (Hot), Ring (Cold), Sleeve (Shield)

Output Specifications

Maximum Output Level

+27.5 dBu

Output Impedance

<100 Ω Balanced

A/D Conversion

Maximum Input Level

+18 dBu

Reference Level

0 dBFS = +18 dBu

ADC Input Impedance

>10 kΩ Balanced

ADC Frequency Response

±0.5 dB (10 Hz to Fs/2)

ADC Crosstalk

< -80 dBu at 1 kHz and 10 kHz

ADC THD+N

-1 dBFS (1 kHz): <0.002% (-94 dB)
-6 dBFS (1 kHz): <0.002% (-94 dB)

Dynamic Range

113 dB Unweighted
115 dB A-Weighted

LED Indicators

Peak LED: +16 dBu (-2 dBFS)
Signal LED: Variable Brightness from -30 dBu to -10 dBu (-28 dBFS)

Digital Audio I/O

Sample Rate

ADAT (8 Channels SMUX): 44.1 to 96 kHz
AES / S/PDIF: 44.1 to 96 kHz

Clock

Internal or External

Word Clock Input

75 Ω BNC (Optional 75 Ω Termination)

Power

Power Supply

Global Low Noise Internal SMPS, Fanless

Line Voltage

90 to 264 VAC

Power Rails

±18 VDC, +48 VDC, +5 VDC

Fuse

T1A (1 Ampere Time Delay)

Power Consumption

40 W Maximum

Physical

Dimensions

19.0 × 1.75 × 12.6" (482 × 44.4 × 321 mm)

Weight

8.8 lb (4.0 kg)