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In Excellent working condition With eight channels of Focusrite preamplification and a built-in 24-bit / 96 kHz ADAT output, OctoPre MkII is Focusrites powerful input upgrade for your Pro Tools system, or any digital audio workstation. Its 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 interfaces ADAT input to create a high quality, multi-channel recording solution, ideal for tracking drums, as well guitars, keyboards, vocals and more.
SpecificationsWe always quote ‘real world’ performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here’s why.Mic InputFrequency 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 dBInput Pad: ~-10 dBPhantom 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 InputFrequency 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 dBLine maximum input level: +22 dBuInstrument InputFrequency 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 dBMaximum input level: +8 dBuAnalogue OutputFrequency 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, balancedDigitalA/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.Weight3.6 kg / 7.93 lbsDimensionsW = 484mm / 19, H = 45mm / 1.8, D = 265mm / 10.4FRONT AND REAR CONNECTIVITYAnalogue Channel Inputs:2x Mic / Line / Instrument inputs on the front panel (Instrument selected via front panel button)6x Mic / Line inputs on the rear panel. Switches automatically between Mic (XLR) and Line (TRS)Analogue Channel Outputs:8x Balanced 1/4" TRS Jack on the rear panelDigital Channel Outputs:2x ADAT Lightpipe (TOSLINK) outputs. Provides 8 channels per port (16 total) at 44.1 and 48kHz.Provide 4 channels per port (8 total) at 88.2 and 96kHz (S-MUX).*Note that when running at 44.1 or 48kHz, the digital outputs are mirrored, providing outputs 1 - 8 on both ports.Front Panel Indicators:8x Five segment input LED meters (-42, -18, -6, -3 and 0dBFS)4x Sample Rate LED's (44.1k, 48k, 88.2k and 96k)2x Sync Source LED's (Internal and Word Clock)'Lock' indicator LED
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