Focusrite Octopre MK II 8-channel mic preamp with A/D converter

Focusrite Octopre MK II

With eight channels of Focusrite preamplification and a built-in 24-bit / 96 kHz ADAT output, OctoPre MkII is Focusrite’s powerful input upgrade for your Pro Tools system, or any digital audio workstation. It’s also a great expansion for any analogue or digital console, or hard disk recorder.
The digital output allows you to make the most of often-neglected ADAT inputs; ideal for expanding the number of mic pre inputs on your interface. Connect OctoPre MkII to your audio interface’s ADAT input to create a high quality, multi-channel recording solution, ideal for tracking drums, as well guitars, keyboards, vocals and more.

Specifications:

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).
• Mic Gain: +10dB to + 55 dB
• Input Pad: ~-10 dB
• Phantom power switched in 2 x 4 channel groups (1-4 and 5-8)
• Maximum input level: +8 dBu (+17 dBu with pad on input)

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).
• Line 1-8 Gain: -10 dB to +36 dB
• Line maximum input level: +22 dBu

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).
• Instrument Gain: +10 dB to +55 dB
• Maximum input level: +8 dBu

Analogue Output
• Frequency Response: 20Hz – 20kHz +/- 0.2dB.
• THD+N < 0.0010% (-100dB) (measured with 0dBFS input 22Hz/22kHz bandpass filter, un-weighted).
• Nominal output level @ 0dBFS: 16 dBu, balanced

Digital
• A/D Dynamic Range 110dB 'A-weighted' (all inputs).
• JetPLL™ Technology providing superb jitter reduction for class leading converter performance.
• Clock Jitter < 250 pico seconds.
• Sample Rate Clock Accuracy: +/- 20PPM.
• Sample rates: 44.1kHz to 96kHz.
• Clock Sources: Internal and Word Clock.

• Weight: 3.6 kg / 7.93 lbs
• Dimensions: W = 484mm / 19”, H = 45mm / 1.8”, D = 265mm / 10.4”