BM 5A Users manual
IMPORTANT SAFETY INSTRUCTIONS The lightning flash with an arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
TABLE OF CONTENTS INTRODUCTION Important Safety Instructions & Certificate of conformity . . . . . . . . . . .a Table of Contents . . . . . . . . . . . . . . . .3 Introduction . . . . . . . . . . . . . . . . . . . . .4 OPERATING Rear Panel - Overview Setting Up . . . . . . . . . Indicators . . . . . . . . . . Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 .6 .7 .7 MISCELLANEOUS Troubleshooting . . . . . . . . . . . . . .
INTRODUCTION Congratulations on your purchase of the Dynaudio Acoustics BM 5A active monitor system. With the right care and attention it will provide many years of excellent and trouble free audio reproduction. It is most important, however, that you take a few minutes at this early stage of your BM 5A’s life, to read this manual. It contains essential information to make you get the best from your new monitors.
OVERVIEW - REAR PANEL Correct setup and connections is essential to achieve optimal performance from your monitors. Please follow the instructions on the following pages. 1. AC power Input and fuse 5. Level trim 2. Power On/Off switch 6. LF - Low filter setting 3. Balanced analog Input 7. MF - Mid filter setting 4. High Pass filter switch 8.
SETTING UP 1/2. Power On/Off switch/AC Power In Before switching on, make sure Mains Voltage matches your areas Mains Voltage specification. Replace fuse only with the fuse-type marked on the rear-panel label. 3. Balanced analog Input Audio Input is via a female XLR connector. The Input is electronically balanced with following connections. The connections are printed on the rear for easy reference. 0 + - If your signal source is unbalanced, usually the unused pin is connected to ground.
INDICATORS & POSITIONING Indicators On the front you will find 2 diodes. These are positioned just above the Dynaudio Logo. The woofer channel has a built in limiter that protects the woofer unit from too much excursion. It works by reducing the gain of the circuit when a certain threshold level is reached. Positioning The BM 5A is designed as a near to mid-field monitor and can be equally well used in both stereo and surround setups.
MISCELLANEOUS Troubleshooting If Power LED lights green and no sound, check your input signal f.ex. by switching speakers. If power LED does not light at all and no sound, check the fuse. If replaced and still no sound contact your Dynaudio Acoustics Dealer. If protection LED lights red check the temperature of the heat sink. If it feels hot turn off the speaker and wait for some 10 minutes to allow the amplifier to cool off. Turn it on again.
TECHNICAL SPECIFICATIONS System Two-way Active Nearfield Monitor Frequency Response (+/- 3 dB) 50 Hz - 21 kHz Input level for 85 dB SPL @1m -16dBu RMS @ 0dB setting Power consumption Idle: 10 W / Max: 90 W Amplifier power Tweeter: 50 W / Woofer: 50 W Bass Principle Bass reflex Vent tuning frequency 55 Hz Internal Cabinet Volume 9 liters Crossover Frequency 1500 Hz Crossover Slope 6 dB/oct Tweeter Esotec 28 mm/1.1" soft dome, rear chamber, Magnetic fluid.
