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Focusrite OctoPre MkII User Manual

Focusrite OctoPre MkII
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OctoPre MkII
User Guide
FA0309-01
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Focusrite OctoPre MkII Specifications

General IconGeneral
Number of Channels8
Preamps8
Digital OutputsADAT
ADAT OutputYes
Power SupplyExternal PSU
Analog Inputs8
Analog Outputs8
Phantom PowerYes
Frequency Response20 Hz to 20 kHz
THD+N0.002%
Noise (EIN)-128 dBu
Gain Range10 dB to 60 dB
Type8-channel microphone preamplifier and A/D converter
Word ClockWord Clock I/O

Summary

Important Safety Information

Safety Warnings and Symbols

Details safety warnings, hazard symbols, and their meanings for user protection.

Safe Operating Instructions

Provides numbered instructions for the safe use, installation, and maintenance of the apparatus.

Introduction and Box Contents

Product Introduction

Welcome message and overview of the OctoPre MkII's capabilities and intended use.

Included Box Contents

Lists all accessories and documentation provided with the OctoPre MkII unit.

Hardware Overview

Back Panel Connections

Details the input and output connectors located on the rear of the OctoPre MkII.

Front Panel Controls and Indicators

Describes the buttons, knobs, LEDs, and input jacks on the front of the unit.

Using the OctoPre MkII

Combo Input Configuration

Explains connecting Mic, Line, and Instrument signals using the Neutrik combo input jacks.

Setting Pre-amp Gain Levels

Guides on adjusting input gain using LED metering to optimize signal levels and prevent clipping.

Phantom Power Application

Details the +48V phantom power feature for microphones and warnings for specific mic types.

Analogue Line Outputs

Explains the use of analogue line outputs for connecting to external audio devices.

Digital Outputs and Sample Rates

Describes using ADAT optical outputs for digital audio transfer at different sample rates.

Digital Synchronisation Options

Explains clock source settings for synchronizing the OctoPre MkII with other digital equipment.

Example Setups

OctoPre MkII as Clock Master with Audio Interface

Illustrates connecting the OctoPre MkII as the master clock to an audio interface via ADAT.

Audio Interface as Clock Master with OctoPre MkII

Shows a setup where the audio interface serves as the master clock for the OctoPre MkII.

OctoPre MkII SMUX Mode with Liquid Saffire 56

Details a configuration using SMUX for higher sample rates between OctoPre MkII and Liquid Saffire 56.

Connecting to Analogue Mixing Desk

Explains how to connect the OctoPre MkII to an analogue mixing desk using standard jack cables.

Performance Specifications

Microphone Input Specifications

Lists frequency response, THD+N, and noise specs for microphone inputs.

Line Input Specifications

Lists frequency response, THD+N, and noise specs for line inputs.

Instrument Input Specifications

Lists frequency response, THD+N, and noise specs for instrument inputs.

Digital Performance Details

Covers digital I/O, clocking, A/D range, and jitter specifications.

Physical Specifications and Indicators

Details weight, dimensions, analogue I/O, digital I/O, power, and front panel indicators.

Troubleshooting Guide

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