Alesis M1 ABOUT THE M1 ACTIVE

Contents/Safety Warnings

8 M1 ACTIVE REFERENCE MANUAL

DECLARATION OF CONFORMITY

Approvals pending. See enclosed sheet if product was authorized for shipment to

the EU.

CHAPTER 1

ABOUT THE M1 ACTIVE

Unpacking and Inspection

Contents

Main Introduction How to use this manual C I MPORTANT S I Safety symbols used in this product Please follow these precautions when using this product: Instructions de Scurit Importantes Symboles utiliss dans ce produit Veuillez suivre ces prcautions lors de lutilisation de lappareil: Beim Benutzen dieses Produktes beachten Sie bitte die folgenden Sicherheitshinweise: Page Page ABOUT THE M1 ACTIVE Unpacking and Inspection Page Inside your new speakers About powered monitors Tone About the drivers Magnetic shielding The M1 Active bi-amplifiers & electronic crossovers The M1 Active power supply The cabinet and port design Why the tweeters are offset About Nearfield monitoring CHAPTER 2 SPEAKER INSTALLATION Avoiding reflections in the studio Direct Path Page Stereo nearfield placement of the M1 Active Horizontal Placement Recommendation Page Vertical Placement Recommendation Playback check mode (vertical mid-field) Plugging the ports to adjust for room acoustics Connections AC power cable Grounding Use clean power Power switch Input Connections Setting the Input Level control Avoiding damage CHAPTER 3 S URROUND S About surround sound Center speakers in music mixes Placement of the center M1 Active speaker in the studio Page Placement of rear surrounds Wall mounting Mixing for discrete six channel reproduction: matched vs. specialized speakers CHAPTER 4 T Troubleshooting Index Symptom Cause Solution Maintenance Cleaning Refer All Servicing to Alesis Service Obtaining Repair Service S Enclosure Materials and Construction Transducers Low frequency driver: Page Crossover section Amplifier Section Low Frequency Amplifier High Frequency Amplifier I ALESIS EXTENDED W