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Focusrite OctoPre 8 Channel Microphone Preamplifier w/ADAT Optical Output

Brands: Focusrite
Brands
  • Eight high-quality award-winning Focusrite preamps
  • The best sounding multi-channel mic pre in its class.
  • Built-in eight channel 24-bit / 96 kHz digital output
  • Make the most of your interface’s ADAT input. OctoPre MkII connects via its built-in Lightpipe output, with a ‘real world’ dynamic range performance of 110dB.

$699.00

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.

FEATURES

  • Eight high-quality award-winning Focusrite preamps
  • The best sounding multi-channel mic pre in its class.
  • Built-in eight channel 24-bit / 96 kHz digital output
  • Make the most of your interface’s ADAT input. OctoPre MkII connects via its built-in Lightpipe output, with a ‘real world’ dynamic range performance of 110dB.
  • Mic preamps optimised for tracking drums
  • OctoPre MkII is designed not to clip, with preamps optimised to handle extreme levels from sound sources like kick drum and snare.
  • Two quality Hi-Z instrument inputs
  • OctoPre MkII’s first two channels feature DI’s, ready for you to plug in your guitars and bass, instantly accessible on the front fascia.
  • 5 LED input metering on every channel
  • OctoPre MkII’s fast-acting 5-LED input meters provide clear reference of input levels, helping you to avoid analogue or digital clipping.
  • -10dB Pads on every channel
  • OctoPre MkII is drum-ready, with 10dB pads to stop hot signals from overdriving the microphone preamp.
  • Direct outputs on every channel
  • For routing and flexibility, especially in the live environment. Each mic pre can be routed to the mixer’s analogue channels, with two mirrored ADAT outputs (44.1) left free to send to digital recorders.
  • 48V Phantom power available on every channel
  • 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 < 10 PPM. For external clocks, a BNC connector is provided and industry-standard JetPLL™ jitter elimination technology is employed.
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Microphone Inputs

  • Dynamic Range (A-Weighted): 109dB
  • SNR (A-weighted): -109dB
  • 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)
  • Maximum level (A-weighted): 8dBu at 1%

Line Inputs

  • Dynamic Range (A-Weighted): 109dB
  • SNR (A-weighted): -109dB
  • 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)
  • Maximum level (A-weighted): 28.5dBu at 1%

Instrument Inputs

  • Frequency Response 20Hz-20KHz +/- 0.1dB
  • Maximum Input Level min gain no pad +8dBu
  • Maximum Input Level max gain no pad -42dBu
  • THD+N, -1dBFS, min gain, no pad < 0.0015%
  • SNR 109dB “A”
  • DNR 109dB “A”
  • Input Impedance > 1MOhm
  • X-talk < -100dB
  • Adjustable Gain > 50dB
  • Pad Attenuation 10dB

Headphone Outputs

  • Frequency Response 20Hz-20KHz +/- 0.1dB
  • SNR 109dB “A”
  • DNR 109dB “A”
  • Maximum Output into 32R +12.4dBu (+10.2dBV)
  • Power into 32R 250mW
  • Output Impedance < 7Ohms
  • Load Impedance > 24Ohms

Line level Outputs

  • Dynamic Range (A-Weighted): 108dB
  • SNR (A-weighted): -108dB
  • THD+N: < 0.001% (measured with 0dBFS input and 22Hz/22kHz bandpass filter)
  • Maximum level (A-weighted): 15.7dBu at 0.883%

Additional Conversion Performance

  • Clock jitter < 250 picoseconds
  • THD+N AMPL (A-weighted)= -109dBFS

CONNECTIVITY

Analogue Channel Inputs (Inputs 1-8)

  • 2 Mic/Line/Inst Combo XLR (Inputs 1 and 2)
  • 6 Mic/Line Combo XLR (Inputs 3-8)
  • Automatic switching of Mic / Line (e.g. inserting a jack switches from Mic to either Line or Instrument)

Digital Channel Inputs (Inputs 9-18) 44.1-96kHz

  • Stereo S/PDIF input on RCA
  • 8 ADAT inputs on Optical Connector, reduces to 4 inputs at 88.2/96kHz • Optical input can be switched to S/PDIF 3/4 in software preferences (Both ADATs and S/PDIF over RCA input disabled)

Analogue Audio Outputs (Outputs 1-10) 

  • 8 ¼” TRS Jack (Outputs 3-10)
  • 2 monitor mix outputs on ¼” TRS Jack (Outputs 1 and 2)
  • Stereo headphones mix 1 on ¼” TRS (also routed to outputs 7 & 8)
  • Stereo Headphones mix 2 on ¼” TRS (also routed to outputs 9 & 10)

Digital Channel Outputs (Outputs 11-20) 44.1-96kHz

  • Stereo S/PDIF output on RCA
  • 8 ADAT outputs on Optical Connector, reduces to 4 outputs at 88.2/96kHz
  • Optical output can be switched to S/PDIF 3/4 in software preferences (ADATs disabled)

Other I/O

  • 2 6-pin FireWire sockets
  • 2 Standard 5-pin DIN MIDI connectors: In and Out
  • IEC mains power input connector

Weight and Dims

  • 3kg / 6.6Ibs
  • 482mm / 19″ (W) x 45mm / 1.8″ (H) x 265mm /10.4″ (D)

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