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Dynaudio BM12S - page 1
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Dynaudio BM12S - page 2
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Dynaudio BM12S - page 3
a IMPORT ANT SAFETY INSTRUCTIONS V olt age Line plug according to st andard. 1 10-125V UL817 and CSA C22.2 no 42. 220-230V CEE 7 page VII, SR section 107-2-D1/IEC 83 p age C4. 240V BS 1363 of 1984. S pecification for 13A fused plugs and switched and un-switched socket outlets. The lightning flash with an arrowhead symbol within an equilateral trian ...
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Dynaudio BM12S - page 4
Advice on maintenance and care Maintenance / Care No special maintenance is necessary . Cleaning the cabinet's surfaces with a damp cloth will suffice. Never use cleaners or chemicals. About Wood V eneer Finishes Dynaudio speaker cabinets are finished with the highest quality real wood veneers. As with many natural products, wood finish may ch ...
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Dynaudio BM12S - page 5
3 T ABLE OF CONTENTS introduction Introduction Important Safety Instructions & Certificate of Conformity and Maintenance . . .a-b T able of Content s . . . . . . . . . . . . . . . . . . . . . . .3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Quick Setup Reference . . . . . . . . . . . . . . . . . . .5 Installation and Con ...
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Dynaudio BM12S - page 6
4 INTRODUCTION Congratulations! Thank you for purchasing this Dynaudio subwoofer . With it, you have chosen for the latest in audio technology and engineering, culminating into the finest in audio reproduction. With their dynamic, accurate performance and ease of integration into even elaborate systems, Dynaudio subwoofers are ideally suited to obt ...
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Dynaudio BM12S - page 7
5 QUICK SETUP GUIDE This quick set-up guide assumes some knowledge with regards to inst alling, connecting and using a subwoofer . We strongly recommend that you do read through the instruction manual in order to get the best performance from your Dynaudio subwoofer , even if you already have inst alled the subwoofer . Inst alling: • Carefully un ...
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Dynaudio BM12S - page 8
6 INST ALLA TION & CONNECTIONS Unp acking Due to it s weight and size, we strongly recommend that help is at hand when unp acking and inst alling the subwoofer . Unpack the subwoofer on a clean, even and sof t area; floor carpeting is very suit able. Please refer to Fig. 1. • The packaging should be opened from the top. Remove all accessories ...
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Dynaudio BM12S - page 9
7 BACK P ANEL 1. Mains power Input. 2. Power switch 3. Balanced audio Input 4. Unbalanced audio Input 5. Balanced processed audio Output 6. Unbalanced processed audio Output 7. Input Master/Slave function switch 8. Preset/Settings Store & Protect switch 9. Remote Control sensor 10. Heat sinks Figure 2 ...
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Dynaudio BM12S - page 10
8 SETTING UP & TUNING IN Master and Slave mode The subwoofer can operate in two different modes: Master or Slave mode. If your system consists of multiple subwoofers, it is desirable that all subwoofers operate with identical settings (V olume, Low-Pass filter (Hz), Phase and LF Extension). Using the Master/Slave feature of Dynaudio subwoofers ...
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Dynaudio BM12S - page 11
9 SETTING UP & TUNING IN Connecting using the XLR socket s A balanced signal connection (XLR sockets) provides a connection that is far less susceptible to cable signal interference compared to an unbalanced connection (RCA connection). It is for this reason that XLR and balanced connections are used almost exclusively in critical and professio ...
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Dynaudio BM12S - page 12
10 SETTING UP & TUNING IN Adjusting the settings and using the subwoofer Once you have ensured yourself that all necessary connections have been made, the subwoofer can be switched on and used. With the exception of the mains power switch (No. 2 in fig. 2) controlling the subwoofer is done through the DSC 1 remote control; the numbering at the ...
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Dynaudio BM12S - page 13
11 SETTING UP & TUNING IN 1 Manual Mode (Manual/Automatic) LED. Green = Manual mode Off = Automatic mode 2 Power St atus LED Green = On Red = S tandby Off = completely Of f 3 Remote control command receiver . T emporary Manual Mode for On/St andby It is possible to temporarily override Automatic switching: Briefly pressing the green "I&quo ...
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Dynaudio BM12S - page 14
12 SETTING UP & TUNING IN Setting the Cross-over Frequency The Cross-over frequency can be set to four positions: 60, 80, 100Hz and Flat. The roll-of f slope is 24dB per octave. In most cases, selecting cross-over frequencies is done through the bass-management system of your processor or receiver . In this case, use the "Flat" positi ...
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Dynaudio BM12S - page 15
13 POSITIONING THE SUBWOOFER stored settings has been overwritten with your new settings. • T o avoid accidental over-writing of presets, set the Preset/Settings switch on the subwoofers back panel (No. 8 in fig. 2) to the "Protect" position. Adjustments on- the-fly for all settings are still possible. T o recall a Preset: • Simply br ...
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Dynaudio BM12S - page 16
14 POSITIONING THE SUBWOOFER Fig. 8 • Generally , avoid placing the subwoofer at ¼, ½ or ¾ of either the length or width of the room as at these locations the room-modes are likely to be strongest (the dashed lines in fig. 8) Fig. 9 Corner placement Maximum boost of bass level but potentially uneven distribution of bass in the room (room-modes ...
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Dynaudio BM12S - page 17
15 FINDING THE OPTIMAL SETTINGS Multiple subwoofers. By using carefully positioned multiple subwoofers it is pos- sible to even out the different room-modes and thus create a more coherent overall bass response in the room. It is worth experimenting with different locations around the room for the additional subwoofers, even using the rear of the r ...
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Dynaudio BM12S - page 18
16 FINDING OPTIMAL SETTINGS frequency response; see fig. 13. In the same manner , with the cross-over frequency for the main speakers set too low (cross-over freq. for the subwoofer too high), there will be too much of an overlap between subwoofer and main speakers, again resulting in incorrect overall frequency response; see fig. 14. Correct setti ...
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Dynaudio BM12S - page 19
17 FINDING OPTIMAL SETTINGS • Listen carefully to the bass-line played by the instrument. As it goes up and down in the bass range, the overall bass volume should remain the same, be it with very deep or higher bass notes. Particularly with very small main speakers, it may be that you can hear a "hole" in the bass response: Y ou can hea ...
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Dynaudio BM12S - page 20
18 TROUBLESHOOTING Problem Cause Solution The subwoofer switches itself of f while music is being played • There is hardly any low-frequency signal available in the signal. This can happen if the music or movie itself does not contain very low frequencies (e.g. long dialogues) and if the processor or receiver already performs bass-management. • ...
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Dynaudio BM12S - page 21
19 F ACT OR Y DEF AUL TS Factory Default settings. The factory default settings are as follows: Power Mode: Automatic Phase: 0° Level: 0dB EXT : On LF Cut-off: 100Hz T o reinst ate the factory default settings: • Switch the subwoofer off completely using the switch on the back panel (No.2 in fig.2). • Wait for at least 10 seconds. • Press an ...
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Dynaudio BM12S - page 22
20 TECHNICAL SPECIFICA TIONS T echnical Specifications for BM10S BM12S BM12S BM10S Frequency Response (+/- 3 dB) 18 Hz - 250 Hz 25 Hz - 250 Hz Low Frequency Limit* 18 Hz - 27 Hz 25 Hz - 33 Hz High Frequency Limit* 60 Hz - 250 Hz 60 Hz - 250 Hz Amplifier Power 250 W @ 4 Ohms 200 W @ 5 Ohms Crossover Frequencies 60 Hz / 80 Hz / 100 Hz 60 Hz / 80 Hz / ...
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