BM 12a.
BM 12a.
BM 12a.qxp 15-01-2007 22:25 Page a 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.
BM 12a.
BM 12a.qxp 15-01-2007 22:25 Page 3 TABLE OF CONTENTS INTRODUCTION Important Safety Instructions. . . . . . . . .a Table of Contents . . . . . . . . . . . . . . . . .3 Introduction . . . . . . . . . . . . . . . . . . . . . .4 OPERATING Rear Panel - Overview . . . . . . . . . . . . .5 Setting Up . . . . . . . . . . . . . . . . . . . . . .6 Indicators . . . . . . . . . . . . . . . . . . . . . . .7 Positioning . . . . . . . . . . . . . . . . . . . . . .7 MISCELLANEOUS Troubleshooting . . . . . . . . . .
BM 12a.qxp 15-01-2007 22:25 Page 4 INTRODUCTION Congratulations on your purchase of the Dynaudio Acoustics BM12A 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 BM12A’s life, to read this manual. It contains essential information to make you get the best from your new monitors.
BM 12a.qxp 15-01-2007 22:25 Page 5 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.
BM 12a.qxp 15-01-2007 22:25 Page 6 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.
BM 12a.qxp 15-01-2007 22:25 Page 7 INDICATORS & POSITIONING Indicators Positioning On the front you will find 2 diodes. These are positioned just above the Dynaudio Logo. The BM12A is designed as a near to mid-field monitor and can be equally well used in both stereo and surround setups. Optimal performance is achieved when positioned 1-3 meters from the listener. It can be placed on stands or on the meter bridge of a console provided that the meter bridge is sufficiently sturdy.
BM 12a.qxp 15-01-2007 22:25 Page 8 MISCELLANEOUS Troubleshooting Service If Power LED lights green and no sound, check your input signal f.ex. by switching speakers. There are no user serviceable parts inside the monitor. If service is required please contact service via: 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. www.tcsupport.tc or If protection LED lights red check the temperature of the heat sink.
BM 12a.qxp 15-01-2007 22:25 Page 9 TECHNICAL SPECIFICATIONS System Two-way Active Nearfield Monitor Frequency Response (+/- 3 dB) 38Hz - 21kHz Input level for 85 dB SPL @1m -18dBu RMS @ 0dB setting Input Impedance 65kOhm each branch Power consumption Idle: 15W / Max: 130W Amplifier power Tweeter: 50W / Woofer: 100W Bass Principle Bass reflex Vent tuning frequency 40Hz Internal Cabinet Volume 13.6 liters Crossover Frequency 1500Hz Crossover Slope 6dB/oct Tweeter Esotar 28 mm/1.
Prod. No. - 455-478 BM 12a.
