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中文

EN

D

IMPOR

TANT SAFET

Y INS

TRUC

TIONS

7

6

IMPORTANT 

SAFETY INSTRUCTIONS

The products included in this manual have been engineered and manufactured to ensure your personal 

safety. However, 

IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL SHOCK, FIRE HAZARD AND 

OTHER HEALTH RISKS

. Always follow the basic precautions listed here to avoid the possibility of serious 

injury or even death from electrical shock, short-circuiting, damages, fire or other hazards. These precauti-

ons include, but are not limited to, the following items in this chapter.

CAUTION

RISK OF ELECTRONIC SHOCK

DO NOT OPEN

 

ELECTRICAL SAFETY PRECAUTIONS

DO NOT EXPOSE ANY OF THIS EQUIPMENT TO RAIN OR MOISTURE, DRIPPING OR 

SPLASHING LIQUIDS. OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD 

NOT BE PLACED ON THIS APPARATUS.

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT ATTEMPT TO OPEN ANY PART OF THE 

UNIT. THERE ARE NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED 

SERVICE PERSONNEL.

EQUIPMENT INCLUDED IN THIS MANUAL REQUIRE AC POWER SUPPLY. TO COMPLETELY 

DISCONNECT THEM FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD 

PLUG FROM THE AC RECEPTACLE. THE MAINS PLUG OF THE POWER SUPPLY CORD 

SHALL REMAIN READILY OPERABLE.

NOISE EXPOSURE PRECAUTIONS

PRODUCTS DESCRIBED IN THIS MANUAL CAN RADIATE HIGH SOUND PRESSURE 

LEVELS (SPL) THAT CAN LEAD TO IRREVERSIBLE HEARING DAMAGE. 

SE AUDIOTECHNIK® RECOMMENDS TO RESPECT THE TIMES OF EXPOSURE TO HIGH SPL.

Noise level (dBA)

85

94

97

112

127

Max. recommended exposure time 

per 24 hours

8 hrs.

1 hr.

30 min.

56 sec.

1 sec.

Noise exposure recommendations according to US National Institute for Occupational Safety and Health (NIOSH).

GRAPHICAL SYMBOLS IN THE PRODUCT

The lightning bolt triangle is used

 to alert the user to the risk of 

electric shock.

Symbol indicating that the equipment 

is for indoor use only.

The exclamation point triangle is 

used to alert the user to important 

operating or maintenance 

procedures and instructions.

Symbol for conformity with 

Directive 2002/96/EC and 

Directive 2003/108/EC of the 

European Parliament, on waste 

electrical and electronic equipment 

(WEEE).

The CE mark indicates the conformity 

with the relevant EU directives for 

safety, health and environmental 

protection. See the 

Manufacturer's 

Declaration

 section.

The RCM mark indicates the conformity 

with the relevant Australian and New 

Zealand requirements for electrical 

safety, EMC, EME and telecommuni-

cations compliance.

The CCC mark indicates the 

conformity with the relevant 

Chinese directives for safety, health 

and environmental protection.

GRAPHICAL SYMBOLS IN THIS MANUAL

Symbol for important safety 

information related with the 

risk of electric shock.

Symbol for important concepts 

and information for a better 

understanding of the functioning 

of the product.

Symbol to alert the user about 

important operating or 

maintenance instructions.

Symbol for practical tips and ideas 

useful to ensure the correct use of the 

product and improve its operation.

Summary of Contents for B 15

Page 1: ...www se audiotechnik de EN D MANUAL B LINE LOW FREQUENCIES CONTROL...

Page 2: ...you to get the most out of your product under safe operating conditions and suggest some care instructions leading to long term endurance Keep this manual in a safe place for further reference If you...

Page 3: ...5A Self powered Subwoofer 13 B Line Accessories 16 Wiring 17 LCD PLATE AMPLIFIER 18 Overview Screen 18 Menu 20 DSP Settings 21 System Settings 28 Factory Presets 31 APPLICATIONS 32 Stacking System 32...

Page 4: ...O RESPECT THE TIMES OF EXPOSURE TO HIGH SPL Noise level dBA 85 94 97 112 127 Max recommended exposure time per 24 hours 8 hrs 1 hr 30 min 56 sec 1 sec Noise exposure recommendations according to US Na...

Page 5: ...ety pins attachments accessories and adapters specified and or provided by the manufacturer 15 Refer all servicing to qualified service personnel This is required when the product has been damaged in...

Page 6: ...subwoofer with 18 driver B 21 Passive compact subwoofer with 21 driver INTENDED USE These general purpose subwoofers were conceived to extend the range of sound systems to the lowest frequencies Thei...

Page 7: ...ion in the low frequencies Finally its efficient design and compact size guarantees safe and versatile placement even in outdoor environments where an additional rain protection cover can be used to p...

Page 8: ...ended for two operating voltage ranges 100 120 and 200 240 VAC The electrical conversion is done automatically 6 Power Out PowerCON type B mains power output to link power between several units in the...

Page 9: ...TD B 21 TD SPS20 B 15 TC B 18 TC B 21 TC P801DL RC B 15 FC B 18 FC B 21 FC B 15 B 18 SFi M Frame for ground stacking M Line line array units on B 15 or B 18 subwoofers B 15 B 18 SFi L 35 Frame for gro...

Page 10: ...subsections Conversely figures 13 and 27 show respectively the functions included in the DSP Settings and System Settings OVERVIEW SCREEN The Overview screen is the one shown by default on the amplifi...

Page 11: ...submenus can be accessed from this point DSP Settings signal processing settings such as presets filters EQ delay are configured here System Settings power amplifier operation settings are configured...

Page 12: ...ack Load Preset Save Preset USER PRESET By clicking on Save Preset a dialogue to define the preset name is displayed By default the first characters of the name are the same of the current loaded pres...

Page 13: ...must be between the front grilles of the subwoofers to get the effect Finally when this mode is implemented the Active Preset Info screen shows the letters EF DIRECTIVITY Back Type End Fire Att Freq...

Page 14: ...two delay sections Samples for 48 kHz sampling rate Time Delay in milliseconds ms referred to the 48 kHz sampling rate Distance Delay in meters m referred to c 343 m s When changing a parameter in an...

Page 15: ...ubmenu configures the LCD screen s backlight settings There are two general choices Auto Off Which will turn off the backlight after 6 seconds by default To set a different value 1 Set the cursor on t...

Page 16: ...f the Overview screen To unlock the amplifier press the controller for 3 seconds until the message Screen Unlocked is shortly displayed on the screen This message details the active preset as well SYS...

Page 17: ...ment STACKING SYSTEM B 15A B 15 and B 18 subwoofers can be safely and easily piled thanks to their two point stacking system It includes the following elements Top holes and bottom rubber feet include...

Page 18: ...the level in the desired direction The cancellation of the rear sound occurs mainly around the centre or tuning frequency of the setup Usually end fire setups provide around 15 dB to 25 dB level redu...

Page 19: ...cables simplifying the deployment of the whole setup Keep in mind that all the connections between subwoofers are done over pins 1 1 of the speakON link cables FRONT Audience FRONT Audience 1 7 m REAR...

Page 20: ...lat spectrum a parametric EQ around 85 Hz with a Q3 and gain of at least 3 dB should be used equally on all the subwoofers of the array As explained before the Directivity function in B 15A self power...

Page 21: ...d horizontally with three B 18 subwoofers Notice that all the connections are made only from the rear side Input Link 1 Input Link 2 Output Ch 2 Input Link 1 Input Link 2 Output Ch 2 Input Link 1 Inpu...

Page 22: ...18 B 21 SUBWOOFERS TECHNICAL SPECIFICATIONS PARAMETER B 15 B 18 B21 ACOUSTICAL Frequency range 3 dB 1 39 Hz 130 Hz 37 Hz 130 Hz 33 Hz 130 Hz Frequency range 10 dB 1 33 Hz 160 Hz 29 Hz 160 Hz 25 Hz 160...

Page 23: ...45 44 MECHANICAL DRAWINGS Figure 41 B 15 views and dimensions Annotations given in millimetres Figure 42 B 18 views and dimensions Annotations given in millimetres 654 00 495 00 465 00 521 00 793 00...

Page 24: ...P 48 kHz 24 bit with extended dynamics Processing latency 1 1 ms Processing Factory and user presets EQ delay directivity control phase inversion input sensitivity User controls Power ON OFF switch DS...

Page 25: ...plicitly limited to the lesser of the price it has been paid for the product or the cost of repair or replacement of any hardware components that malfunction in conditions of normal use SE AUDIOTECHNI...

Page 26: ...ik com www se audiotechnik de all rights reserved The technical data and the functional product characteristics can be subject to modifications The photocopying translation and all other forms of copy...

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