Instruction/ maintenance manual of the product BX30 Dynaudio
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BX30 subwoofer Owner’s Manual - and Safe ty Instruc tions Pre liminar y V ersio n 9902 09 455 490 A.
EXPLANATION O F GRAPHIC SYM BOLS The light ning flash with a rro whea d symb ol, wit hin an equilateral triangle, is intended to alert the user to the presence of un insulated “dangerou s voltage” w ithin the product’ s enclosure that may be of su fficient magnitude to constitute a risk of electric shock to persons .
Important Safety Instructions Please follo w all instructions and heed all w arn ings Safety Read these instru ctions before any connection to the apparatus. Please keep these ins tructions in a convenient place. CAUTION To avoid electri c shock, do n ot open th e subwoofer.
CONTENTS S AFETY ................................................................................................................................................ 3 Installatio n .........................................................................
BX30 Owner’s Manual 5 BX30 Owner’s Manual Unpacking Every loudspeaker leav ing DYNAUDIO ACOUSTICS A/S has been carefully an d thoroughly inspected and tes ted. When un packing the subw oofer, be sure t o check if any physical dam age has occurred to t he subwoof er due to shi pping.
BX30 Owner’s Manual 6 Inlet section Figure 2. AC inlet AC inlet This is a grounding- type pl ug. Do not con nect to a conv enient AC ou tlet on a soun d system or non-g rounding AC outlet. Pow er switch 0: 1: There is voltage on the amplifier. The Protec tion LED lig hts up , red .
BX30 Owner’s Manual 7 Operating panels Figure 3. Subw oofer control panel LED Limiter: L ights up whe n the limiter circuits start protecting the woofer. The limiter does not affect the signals on the XLR OUT. Detect: When the input signal is abov e – 20 dB it lights green.
BX30 Owner’s Manual 8 Figure 4. Output control and connectors CROSSO VER High Pa ss: C hanges roun d the OUT lin e signals betw een : Direct : The signal on X LR IN conn ectors is directed to the XLR OUT . 95 Hz : The signal on XLR IN runs through a 95 Hz high pass filter, before it is send to the XLR OUT .
BX30 Owner’s Manual 9 BX30 Plac ement Single Unit (Stereo) The correct location an d phase alignment of the BX30 is essential to ach ieve accurate performance with any given system. The best results are usually achieved with the BX30 f loor standing and at the s ame distance from the listening position as the main speakers.
BX30 Owner’s Manual 10 Figure 5. Show s the st andard 1 / 3 octave r esponse in acti ve bass extension mode with the cros sover pre set to 95 Hz . The response offers a seamless match to any high qualit y monitor system but it is particularly well suited to smaller models with limited ba ss output capabilit y.
BX30 Owner’s Manual 11 5.1 System s Dolby AC3 format. The specification for each ch annel is strictly defined and th e BX30 conform s carefully and accurately to th at standard. The agreed sound lev el capability for the sub bass channel in film theatres is 115 dB in any one-octave ban d, in any seat.
BX30 Owner’s Manual 12 Sound Calculator ONE BX30 AT V ARYI NG DI S T ANCE D FO R 100W RM S P O W ER Freq. L W H Lw(1W ) Lw(Rqd) E P R Q D S V a T 60 Lp c al c Dc 63 20 10 5 100 120 100 2 1, 0 700 10.
BX30 Owner’s Manual 13 BX30 Technical description System topology The BX30 is fu lly active with a sophisticated signal m anagement system. The following f eatures are provided as standard . Dual inpu ts and output s fully balanced w ith autom atic bypass in the ev ent of power los s.
BX30 Owner’s Manual 14 Flow diagrams Right 24 dB/oct 120 Hz Right a a b b Level Phase 0°-180° Line receiver Limiter Passiv limiter Input relay Power Amplifier Speaker relay Fix level +4 dBm -10 dB.
BX30 Owner’s Manual 15 Box data Pow er Am plif ie r : collector coupled quasi complementary BJT 140 W Phase Shift : 20-150 Hz, v ariable 0-180 ° Freq uency Re spo nse : +/- 3 dB 17-80/95/ 120 Hz In.
An important point after buying a device Dynaudio BX30 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dynaudio BX30 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dynaudio BX30 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dynaudio BX30 you will learn all the available features of the product, as well as information on its operation. The information that you get Dynaudio BX30 will certainly help you make a decision on the purchase.
If you already are a holder of Dynaudio BX30, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dynaudio BX30.
However, one of the most important roles played by the user manual is to help in solving problems with Dynaudio BX30. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dynaudio BX30 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
