REFERENCE
Specifications and Dimensions
Microphone preamplifier
Measurement includes the ADC signal path.
| Specification | Value |
|---|---|
| Mic gain | 0 to +60 dB |
| Line gain | −10 to +50 dB |
| Phantom power | 48 V ±4 V at 10 mA per channel, using the 12 V DC supply |
| Mic EIN | −126.0 dBu |
| CMRR | Greater than 80 dB at 1 kHz |
| Maximum input level | +18 dBu, or +28 dBu with pad |
| Mic input impedance | 3 kΩ balanced |
| Line input impedance | 10 kΩ balanced |
| Frequency response | ±0.5 dB, 10 Hz to 65 kHz |
| Crosstalk | Less than −90 dBu at 1 kHz and 10 kHz |
| THD+N at 0 dBu, 1 kHz | Less than 0.003%, −96 dBu |
| SNR | 96 dB |
Instrument input
| Specification | Value |
|---|---|
| Gain | 0 to 60 dB |
| Maximum input level | +10 dBu |
| Input impedance | 1 MΩ unbalanced |
| Frequency response | ±0.5 dB, 10 Hz to 50 kHz |
| THD+N at 0 dBu, 1 kHz | Less than 0.3% |
| SNR | 95 dB A-weighted |
Analogue-to-digital converter, Channels 1 and 2
Measured through the insert returns under AES-17.
| Specification | Value |
|---|---|
| Maximum input/digital reference | +18 dBu = 0 dBFS |
| Input impedance | Greater than 10 kΩ balanced |
| Frequency response | ±0.5 dB, 10 Hz to Fs/2 |
| Crosstalk | −115 dBu at 1 kHz and 10 kHz |
| THD+N at −1 dBFS, 1 kHz | Less than 0.0003%, −112 dB |
| Dynamic range | 120 dB A-weighted |
Digital-to-analogue converter, line outputs 1 and 2
| Specification | Value |
|---|---|
| Maximum level/digital reference | +18 dBu = 0 dBFS |
| Output impedance | Less than 100 Ω |
| Frequency response | ±0.5 dB, 10 Hz to Fs/2 |
| Crosstalk | Less than −118 dBu at 1 kHz and 10 kHz |
| THD+N at −1 dBFS, 1 kHz | Less than 0.0006%, −104 dB |
| Dynamic range | 124 dB unweighted, 126 dB A-weighted |
Headphone outputs
| Specification | Value |
|---|---|
| Maximum output/digital reference | +14 dBu = 0 dBFS |
| Output impedance | Less than 50 Ω unbalanced |
| Frequency response | ±0.5 dB, 10 Hz to Fs/2 |
| Crosstalk | Less than −110 dBu at 1 kHz and 10 kHz |
| THD+N at −1 dBFS, 1 kHz | Less than 0.0008%, −103 dB |
| Dynamic range | 121 dB unweighted, 124 dB A-weighted |
| 30 Ω load | +7.5 dBu, 225 mW, 0.003% THD+N |
| 60 Ω load | +10.2 dBu, 210 mW, 0.002% THD+N |
| 600 Ω load | +14.2 dBu, 54 mW, 0.001% THD+N |
USB and DSP mixer
| Specification | Value |
|---|---|
| USB | USB 2.0 High Speed over USB Type-C |
| Inputs | 20: four analogue and 16 digital |
| Outputs | 24: eight analogue and 16 digital |
| Included cables | 1.5 m USB-C to USB-C |
| DSP round-trip latency at 44.1 kHz | 0.677 ms |
| DSP round-trip latency at 48 kHz | 0.625 ms |
| DSP round-trip latency at 88.2 kHz | 0.354 ms |
| DSP round-trip latency at 96 kHz | 0.323 ms |
Digital input formats
| Format | Sample rate and channel count |
|---|---|
| ADAT | 16 channels total at 44.1/48 kHz |
| ADAT SMUX | Eight channels total at 88.2/96 kHz |
| Optical S/PDIF | Stereo per optical port at 44.1–96 kHz |
Dimensions
- Width: 276 mm
- Depth: 174 mm body / 191 mm overall as shown in the manual drawing
- Height: 51 mm body / 69 mm including controls
