SSL Pure Drive Octo; 8-channel microphone preamp, AD-converter (up to 192 kHz / 32-bit) and 8x24 USB audio interface (44.1 / 48 kHz - 8 analogue input channels + 8 AES and16 ADAT output channels); SuperAnalogue PureDrive microphone preamp technology from the ORIGIN console; stepped gain control with up to +65 dB gain; 31-step trim control with precise 1 dB steps; 3 modes for each preamp - Clean, Classic-Drive and Asymmetric-Drive; Mic/Line input switching; 4 input impedance options for mic preamps; +48V phantom power, polarity switching and tunable high-pass filter; Connectors: 8x combo mic / line input XLR / 6.3 mm jack, Sub-D25 line input, Sub-D25 insert return, 4x Hi-Z / DI instrument input unbalanced, 4x line output / insert send Sub-D25, ADAT input and output, 8x AES/EBU output XLR, word clock input and output BNC, USB; Construction: 19" / 2 U