User guide

35
Scarlett 18i20 Performance Specifications
Configuration
Inputs 18: analogue (8), S/PDIF (2), ADAT (8)
Outputs 20: analogue (10), S/PDIF (2), ADAT (8)
Mixer Fully assignable 18-in/16-out mixer
Digital Performance
A-D Dynamic Range 105 dB CCIR-RMS (all inputs)
D-A Dynamic Range 103 dB CCIR-RMS (line outputs)
Supported sample rates 44.1 kHz, 48 kHz, 88.2 kHz & 96 kHz
Clock jitter
<250$ps
Microphone Inputs
Frequency Response 20 Hz ± 0.5 dB, 20 kHz ± 0.1 dB (min. gain)
THD+N 0.001% (1 kHz, –1dBFS, 20 kHz BW)
Noise EIN
–122 dBu CCIR-RMS (measured at 60 dB of gain with
150 ohm termination)
Maximum input level +8 dBu (without pad)
Line Inputs
Frequency Response 20 Hz – 20 kHz ± 0.1 dB
THD+N 0.007% (1 kHz, –1dBFS, 20 kHz BW)
Noise (NiPoS)
–105 dBFS CCIR-RMS (measured at min. gain with
50 ohm termination)
Maximum input level +28 dBu
Instrument Inputs
Frequency Response 20 Hz – 20 kHz ± 0.1 dB
THD+N 0.007% (1 kHz, –1dBFS, 20 kHz BW)
Noise (NiPoS) –103 dBFS CCIR-RMS (measured at min. gain)
Maximum input level +8 dB (without pad)
Line Outputs 1 & 2
Maximum Output Level (0 dBFS) +16 dBu, balanced
THD+N 0.001% (1 kHz, –1dBFS, 20 kHz BW)