Connector type

Dynamic range

(A-weighted)

THD+N

(unweighted)

Max

level

Trim range

(in 1 dB steps)

24Ao analog output

DB-25 D-sub or 12-pin phoenix

123 dB

-110 dB

+20 dBu

24 dB (-24 to 0 dB)

24Ai analog input

DB-25 D-sub or 12-pin phoenix

110 dB

-102 dB

+24 dBu

118 dB (-96 to +22 dB)

Sample rates

44.1, 48, 88.2, 96, 176.4, 192 kHz

24Ai analog

inputs

24 channels (balanced/unbalanced)

3x DB-25 D-sub and 6x 12-pin Phoenix

Max level: +24 dBu (digitally adjustable -96 to +22)

24Ao analog outputs

24 channels (balanced, DC coupled)

3x DB-25 D-sub and 6x 12-pin Phoenix

Max level: +20 dBu (digitally adjustable -24 to 0 dB)

Digital I/O

3 banks (24 ch) of ADAT optical at 1x sample rates

3 banks (12 ch) of SMUX optical at 2x sample rates

Stereo TOSLink (optical S/PDIF) on Bank A (optional)

Total I/O

24 analog + 48 digital (72 total) at 1x rates

24 analog + 24 digital (48 total) at 2x rates

24 analog + 0 digital (24 total) at 4x rates

Computer I/O

1 x USB 2.0 audio class compliant

      USB 3.0 and iOS compatible

1 x AVB Ethernet (requires OS X Yosemite)

Computer I/O channels

USB 2.0 (44.1 to 48 kHz): 64 in/out

USB 2.0 (88.2 to 96 kHz): 32 in/out

USB 2.0 (176.4 to 192 kHz): 24 in/out

AVB Ethernet: 16 to 128 in/out, depending on

      host computer speed

Sync I/O

1 x word clock in

1 x word clock out

Network I/O

1 x RJ45 AVB/TSN Ethernet (1 Gbps)

AVB streams

(8 channels per stream)

24Ai

4 in / 8 out @ 44.1 or 48 kHz

4 in / 8 out @ 88.2 or 96 kHz

2 in / 4 out @ 176.4 or 192 kHz

24Ao

8 in / 4 out @ 44.1 or 48 kHz

8 in / 4 out @ 88.2 or 96 kHz

4 in / 2 out @ 176.4 or 192 kHz

Front panel

5 x switches • menu navigation

324 x 24 pixel LCD for level meters / menu nav

1 x AC power switch

Power

International 100-240V autoswitching supply

50-60 Hz • 0.5A max

Dimensions

and weight

(width x depth x height, enclosure only)

19 x 7 x 1.75 inches

48.3 x 17.75 x 4.5 cm

4.6 lbs / 2.08 kg (24ai)

4.4 lbs / 1.99 kg (24ao)

with rack brackets removed:

17.25 inches (43.8 cm) wide

4.5 lbs / 2.04 kg (24ai)

4.3 lbs / 1.95 kg (24ao)