• Balanced XLR and balanced/unbalanced 1/4-inch main outputs
• Rack-mountable design using optional rack ears [ProFX16]
• Rugged steel chassis
• Switching multi-voltage power supply for worldwide use
• Includes Tracktion 3™ Music Production Software for Mac or PC
level control
• Break switch mutes all channels for music playback between sets
condenser mics
• 60mm faders for input channels, subgroups and mains
connecting outboard processors
• 32-bit RMFX™ processor with 16 “Gig-Ready” reverbs, choruses and delays
• Precision 7-band graphic EQ for tuning mains and monitors
• USB I/O for recording shows and music playback via Mac or PC
• Stream subgroups 1-2 or main L/R to your computer for recording
• Stereo USB/tape I/O with input level control to mains
• Convenient USB return to stereo channel for implementation of EQ, auxes and more
• 3-band EQ with sweepable midrange on mono channels
• Multiple high-headroom line inputs
• Individual channel mute switches and overload (OL) indicators
• 18 dB/octave 100 Hz low cut filters on all mic channels

Features

How To Use This Manual

• Professional 4•Bus live sound mixer with

The first pages after the table of contents are the

onboard effects and USB I/O

hookup diagrams. These show typical setups for your

• Low-noise, high-headroom Mackie mic preamps

ProFX16 or ProFX22.

 

with +50 dB gain range

Next is a ­detailed tour of the entire mixer. The

 

•Dedicated inline compression for critical inputs descriptions are divided into sections, just as your mixer

is organized­ into distinct zones:

• Rear Panel Connections: The AC input, power switch and USB I/O.

• Front Panel Connection Section and Channel Controls: The upper section, where you connect microphones, guitars, etc and the channel strips where you adjust and control each channel.

• Front Panel Additional Inputs & Outputs: The upper section, where you connect loudspeakers, headphones, CD player, etc.

• Master Controls: The section on the right, with graphic EQ, Stereo Effect Processor and main level controls.

Throughout these sections you’ll find illustrations with each feature numbered and described in nearby paragraphs.

This icon marks information­ that is critically

­important or unique to the mixer. For your own

good, read them and remember them.

• Inserts on mono mic/line channels for

This icon will lead you to some explanations of

features­ and practical tips.

• 48V phantom power with LED for use with

Appendices

• FX mute button also controllable via footswitch

Appendix A: Service Information

• Control room / headphone outputs with rotary

• Troubleshooting

• Repair

Appendix B: Connections

• XLR Connectors

• 1/4" TRS Phone Plugs and Jacks

• 1/4" TS Phone Plugs and Jacks

• RCA Plugs and Jacks

• TRS Send/Receive Insert Jacks

Appendix C: Technical Information

• Specifications

• Dimensions

• Block Diagram

• Track Sheet

Appendix D: Table of Effects Presets

Owner's Manual 5