BM9S II – Owner’s manual
Introduction Introduction 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.
Introduction 2 BM9S II
Introduction About this manual This manual is divided in three main chapters, in which you can find all the information needed to operate the BM9S II successfully: – Before operation: Learn all about unpacking and connecting the subwoofer. The controls and connections on the back panel are also described here. – Operation: In this chapter you will learn how to operate the subwoofer in general and how to position it properly for optimum performance.
Before operation Before operation Before operation Unpacking 1 2 3 Check that the contents are complete: – Subwoofer: The factory-set power requirements (refer to label on rear of subwoofer) should correspond for the reUnpacking gion where the subwoofer was purchased. Refer also to “Important safety instructions” on page 1. Unpacking the subwoofer 1. Unpack the subwoofer on a clean, even and soft area; floor carpeting is very – Front baffle grille. suitable. 2.
Controls and connections Before operation (1) POWER ON/OFF Before operation Use the main power switch to manually switch the subwoofer on and off. Controls and connections The LED shows the current operation mode: – red = subwoofer switched on and in mute mode ➊ POWER ON/OFF – green = subwoofer is activated Main power switch (to switch the subwoofer manually on and off).
Before operation (9) SAT/SUB OUT Output for satellite system to be connected. This signal is processed according to the SAT Highpass setting. (10) SAT Highpass Allows cutting off low frequencies of the signal provided at the SAT/SUB OUT.
Before operation Connecting the subwoofer Before operation The BM9S II provides two different signal inputs: Connecting the subwoofer CAUTION LFE/Slave IN DAMAGE OF DEVICE DUE TO This input allows the LFE (Low Frequency Effect) channel to IMPROPER CONNECTION! be connected. The signal is: CAUTION – Set the mains power switch to OFF before connecting the – reproduced by the subwoofer DAMAGE OF DEVICE DUE TO IMPROPER CONNECTION! BM9S II.
FE • Use Sl Before operation Connecting a single subwoofer Multiple subwoofer connections Connecting a single subwoofer ➊ Connecting as LFE channel ➊ LFE X Connect subwoofer to LFE/Slave input. LFE Sub... (Slave) ➋ Connecting as subwoofer for satellites Multip The BM9 multiple acoustic When us following X Connect full bandwidth signal to SAT/SUB input. Su Connec 1. Conn left signal. Stereo ➋ Stereo X Set the Mode switch to LFE. 2. Set M 3. From IN of 4.
Operation Notes: – When using multiple subwoofers in a Master-Slave setup, it is recommended that the subwoofers are all the same model. – If you wish to use multiple subwoofers with full individual control, set the Mode switch for all subwoofers to the “LFE” position. From the master subwoofer’s output, use a Y-connector. Connecting loudspeakers LFE Before operation Connectin If your source LFE or SLAV double proce Connecting 1. Connect t page 7. 2.
Operation To power amplifier or active speakers Operation Operation Switching the subwoofer on/off (POWER ON/OFF) Adjusting the volume (Gain) X T o Switching the subwoofer on/off (POWER ON/OFF) Once you have ensured yourself that all necessary connections have been made, the subwoofer and the connected components can be switched on. X Switch the subwoofer ON with the main POWER switch on the rear panel. The status LED on the rear of the subwoofer will light up red.
Operation Selecting the subwoofer cut-off frequency (SUB Lowpass) Operation Setting the phase (Phase) Selecting the subwoofer cut-off frequ (SUB Lowpass) Settin The SUB Lowpass control allows the frequency range of th frequencyfrequency response Withdecre the p defined. Above Combined the selected the sound level Subwoofer and main setting of this cut-off frequency is important for a well balan Main speakers relation to subwoofer and speakers.
Frequency Setti (SAT the listening room in that area. Operation Depen Setting the satellite cut-off frequency (SAT Highpass) Finding the correct phase setting: subwo 1. Play a bass-rich track which also covers the overlap area. the freq system 2. Toggle the Phase switch between 0° and 180°. amplifi Choose the setting for which you experience the most bass. a nega range o Note: BM • You can not set the phase if the subwoofer is in slave mode.
Troubleshooting Troubleshooting There may be various reasons why the subwoofer doesn’t function properly in a system without it being faulty. The checklist below will help solve problems you may encounter. Before consulting your Dynaudio Professional dealer, check this list first. Check this first: – Check if all signal cables are connected properly. – Check settings in bass management menu of the connected source. – Carefully and gradually increase the subwoofer volume level on the source.
Technical Information/Warranty Maintenance Maintenance Technical Information/Warranty Changing the fuse WARNING RISK OF FIRE! The fuse is placed on the rear of the subwoofer below the mains power input. It can be changed without removing the amplifier module. Changing the fuse WA RISK X For continued protection against ris rating. The fuse is placed on the rear of the su be changed without removing the ampl Changing the fuse 1. Switch off the mains power switch a 2. Pull out the fuse holder 3.
Warranty Warranty Dynaudio Professional products are warranted to be free from defects in components and factory workmanship under normal use and service for a period of two (2) years when bought from a reseller within the EU. Dynaudio Professional products are warranted to be free from defects in components and factory workmanship under normal use and service for a period of one (1) year when bought from a reseller outside the EU.
Technical Specifications Technical Specifications System Active subwoofer Bass principle Closed Frequency response 29 Hz to 250 Hz (±3 dB) Inputs – LFE/Slave XLR Inputs – SAT/SUB Right/left full bandwidth, XLR Input impedance – + branch 20 kOhm Input impedance – - branch 10 kOhm Max.
© Dynaudio A/S, 8660 Skanderborg, Denmark Owner’s Manual BM9S II 0214 – item no. 455402 All text and image copyrights reserved. Subject to change without notice. www.dynaudioprofessional.
