Microphone Preamplifiers
MIC GAIN:-10 to +60dB (-10dB Pad)
LINE GAIN:-16 to +44dB (-10dB Pad)*
PHANTOM POWER:48v +/-4v @ 10mA/Channel
MIC EIN:<-127.5dBu
CMRR:>80dB @ 100 to 10kHz
MAXIMUM INPUT LEVEL:+22dBu (+32dBu with Pad)
INPUT IMPEDANCE:Mic LO: 220Ω Balanced, Mic MED: 1k2Ω Balanced, Mic HI: 2k8Ω Balanced, Line (All Z): >6kΩ Balanced
FREQUENCY RESPONSE:+/-0.5dB 10Hz to 100kHz
CROSSTALK:<-85dBu @ 1kHz & 10kHz
THD+N @ 0dBu (1kHz):0.003% (-90.5dBu)
SNR:>90dB
HPF:Sweepable from 25Hz to 250 Hz, 2nd Order (12dB/Octave)
XLR:Pin 2 (Hot), Pin 3 (Cold) & Pin 1 (Shield)
1/4” JACK:TIP (Hot), RING (Cold) & SLEEVE (Shield)
* Line input level at the combi jacks will be affected by the input impedance switch position, this can be used as a second pad control to adjust line input ranges on all channels.

Discrete JFET D.I (Channels 1 & 2)
D.I GAIN:-10 to +60 dB (-10dB Pad)
MAXIMUM INPUT LEVEL:+16dBu (typical), +22dBu
INPUT IMPEDANCE:1MegΩ Unbalanced
FREQUENCY RESPONSE:+/-0.5dB 10Hz to 50kHz
THD+N @ 0dBu (1kHz):<0.03% (-70dBu)
SNR:89dB
1/4” JACK:TIP (Hot) & SLEEVE (Shield)

Line Outputs (Insert Sends)
MAXIMUM OUTPUT LEVEL:+27.5dBu
OUTPUT IMPEDANCE:<100Ω Balanced

ADC Line Inputs (Insert Returns)
MAXIMUM INPUT LEVEL:+18dBu
DIGITAL REFERENCE LEVEL:0dBFS = +18dBu
DINPUT IMPEDANCE:>10kΩ Balanced
FREQUENCY RESPONSE:+/-0.5dB 10Hz to Fs/2
CROSSTALK:<-80dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):<0.002% (-94dB)
THD+N @ -6dBFS (1kHz):<0.002% (-94dB)
DYNAMIC RANGE:113dB un-weighted, 115dB A-weighted
PEAK LED LINEUP:+16dBu (-2dBFS)
SIGNAL LED LINEUP:Variable Brightness from -30dBu to -10dBu (-28dBFS)

Digital I/O:
ADAT 8 CHANNELS SMUX:+44.1 – 96kHz
AES | S/PDIF 8 CHANNELS:44.1 – 96kHz
CLOCK:Internal or External
WORLDCLOCK INPUT:75Ω BNC, Optional 75Ω Termination

Power Supply
• High stability, low noise internal SMPS
• Fan-less, quiet operation
• Works anywhere in the world without reconfiguring
LINE VOLTAGES:90 to 264V (a.c)
INTERNAL RAILS:+/-18VDC, +48VDC & +5VDC
FUSE:T1A (1Amp Time Delay)
CONSUMPTION:Maximum 40 Watts
WEIGHT:4.0kg