Focusrite OctoPre MkII 8-Channel Microphone Preamp

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Does your audio interface have an ADAT input? Plug in the OctoPre to expand your I/O with 8 Focusrite mic preamps -- ideal for tracking drums and full bands!

With eight channels of Focusrite pre-amplification 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 users 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.

Eight Award-winning Focusrite Preamps

The best sounding multi-channel mic-pre in its class.

Eight Channel 24-bit/96 kHz output

Make the most of your interfaces ADAT input. OctoPre connects via its built-in lightpipe output, with a real world dynamic range performance of 110dB.

Mic Pres Optimized For Tracking Drums

OctoPre MkII is designed not to clip, with pre-amps optimized to handle extreme levels from sound sources like kick drum and snare.

Two Hi-Z Instrument Inputs

OctoPre MkIIs first two channels feature DIs, ready for you to plug in your Guitars and Bass, instantly accessible on the front panel.

5 LED Input Metering

OctoPre MkIIs fast-acting 5-LED input meters provide clear reference of input levels, helping you to avoid analogue or digital clipping.

-10dB Pads

OctoPre MkII is drum-ready, with 10dB pads to stop read more hot signals from overdriving the microphone pre-amp.

Direct Outputs

For routing and flexibility, especially in the live environment. Each mic-pre can be routed to the mixers analogue channels, with two mirrored ADAT outputs (44.1) left free to send to digital recorders.

48V Phantom

Switched in two groups (1-4 and 5-8) every channel is capable of supplying phantom power, for use with most condenser microphones.

State-of-the-art Clocking Solutions

OctoPre MkII's internal clock delivers a jitter performance of
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Specifications

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

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

Mic Gain: +10dB to + 55 dB
- Line 1-8 Gain: -10 dB to +36 dB
- Instrument Gain: +10 dB to +55 dB
- Input Pad on inputs 1-8: ~-10 dB

- Phantom power switched in 2 x 4 channel groups (1-4 and 5-8)

- Mic and instrument maximum input level: +8 dBu (+17 dBu with pad on input)
- Line maximum input level: +22 dBu
- Nominal output level @ 0dBFS: 16 dBu, balanced

- Sample rates: 44.1kHz to 96kHz.

- Clock Sources: Internal clock and sync'ing to Word Clock Input.

- Dimensions (W x H x D): 484mm / 19 in., 45mm / 1.8 in., 265mm / 10.4 in.
- Weight: 3.6 kg / 7.93 lbs.

For support or warranty questions, please contact the manufacturer:
Phone: 310-322-5500
Web: https://support.focusrite.com/

Reviewers gave this product an overall rating of 1 out of 5 stars. (2 ratings)
Submitted November 3, 2014 by Jonas V in Las Vegas, NV

"Keep saving your money. Get something worth while."

Overall: 1 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
I've had my Octopre for a little over a year now. At first it was fine. Darker preamps, not suitable for everything. I used them on rhythm guitars kick and toms and it was good enough. I needed extra channels and the price was right. Well as fate would have it I a session starting in a week and the whole box...THE WHOLE BOX... just crapped out. None of the preamps are working. Currently on hold with their customer support. Not only is this going to cost me the money to replace the preamp but it may cost me money in a session that I may have to postpone/ possibly lose to another studio.
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