Focusrite

Conversion
A/D Dynamic Range 110dB A-weighted (all inputs)
D/A Dynamic Range 110dB A-weighted (all outputs)
Clock Jitter < 250 pico seconds.
Sample rates: 44.1kHz to 96kHz.
Sample Rate Clock Accuracy: +/- 20PPM
JetPLL technology providing superb jitter reduction for class leading converter performance.

Mic Input
Frequency Response: 20Hz - 20kHz +/- 0.1 dB
THD+N: 0.001% (measured at 1kHz with a 20Hz/22kHz bandpass filter)
Noise: EIN > 125dB (128dB analogue to digital): measured at ~60dB of gain with 150 Ohm termination (20Hz/22kHz bandpass filter)

Line Input
Frequency Response: 20Hz - 20kHz +/- 0.1dB
THD+N: <0.001% (measured with 0dBFS input and 22Hz/22kHz bandpass filter)
Noise: -90dBu (22Hz/22kHz bandpass filter)

Instrument Input
Frequency Response: 20Hz - 20kHz +/- 0.1dB
THD+N: 0.004% (measured with 0dBu input and 20Hz/22kHz bandpass filter)
Noise: -87dBu (20Hz/22kHz bandpass filter)

Analogue Outputs
Frequency Response: 20Hz 20kHz +/- 0.2dB.
THD+N <0.0010% (-100dB) (measured with 0dBFS input 22Hz/22kHz bandpass filter, un-weighted).

SpecificationsBack topGain and Levels
Mic Gain: +10dB to + 55dB.
Line 1-8 Gain: -10dB to +36dB.
Instrument Gain: +10dB to +55dB.
Phantom power switched in 4 channel groups on Mic. 1-4 and 5-8.
Mic and instrument maximum input level +16dBu.
Line maximum input level +26dBu

Compression
Threshold Range: -44dBFS (Max setting) to -4dBFS (Min setting).
Compression Ratio Normal: 2:1, More: 4:1.
Auto Make Up Gain: 4dB (Min setting), 18dB (Max setting).
Attack Time: 1.2ms, Release Time: 28ms (-3.5dB method).
Compression Curve: Classic Focusrite Soft Knee.
THD+N (maximum at any compression threshold, input < +16dBu, gain at minimum): < 0.18%

Clock Sources:
1. Internal clock
2. Sync to Word Clock Input.
3. Sync to ADAT Input (ADAT 1 input only)

Front Panel Indicators
Metering of analogue inputs (channels 1-8), 5 segment (-42, -18, -6, -3 and 0dBFS).
4 Sample Rate LEDs (44.1k, 48k, 88.2k & 96k).
3 Sync Source LEDs (Internal, Word Clock and ADAT).
Lock Indicator LED.
ADDA Switch for analogue output source selection (A/Ds or ADAT inputs).