Dynaudio BM12A User Manual Download Page 3

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1

Read these instructions.

2  Keep these instructions.
3  Heed all warnings.
4  Follow all instructions.
5  Do not use this apparatus near water.
6  Clean only with dry cloth.
7  Install in accordance with the manufacturer's

instructions.

8  Do not install near any heat sources such 

as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.

9  Do not defeat the safety purpose of the 

polarized or grounding-type plug. A
polarized plug has two blades with one 
wider than the other. A grounding type plug 
has two blades and a third grounding  prong.
The wide blade or the third prong are provided
for your safety. If the provided plug does not fit
into your outlet, consult an electrician for
replacement of the obsolete outlet.

10  Protect the power cord from being walked 

on or pinched particularly at plugs, 
convenience receptacles, and the point 
where they exit from the apparatus.

11  Only use attachments/accessories specified

by the manufacturer.

12 

Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the
apparatus. When a cart is used, use

caution when moving the cart/apparatus
combination to avoid injury from tip-over.

13 Unplug this apparatus during lightning  storms 

or when unused for long periods of time.

14  Refer all servicing to qualified service 

personnel. Servicing is required when the 
apparatus has been damaged in any way, 
such as power-supply cord or plug is 
damaged, liquid has been spilled or objects
have fallen into the apparatus, the 
apparatus has been exposed to rain or 
moisture, does not operate normally, or has
been dropped.

This equipment should be installed near the 
socket outlet and disconnection of the  device 
should be easily accessible.

To completely disconnect from AC mains,
disconnect the power supply cord from the AC
receptable.

The mains plug of the power supply shall
remain readily operable.

Do not install in a confined space.

Do not open the unit - risk of electric shock 
inside.

Caution:

You are cautioned that any change or
modifications not expressly approved in this
manual could void your authority to operate this
equipment.

Service

There are no user-serviceable parts inside. 

All service must be performed by qualified 
personnel.

Warning!

To reduce the risk of fire or electrical shock,
do not expose this equipment to dripping or
splashing and ensure that no objects filled
with liquids, such as vases, are placed on the
equipment.

This apparatus must be earthed.

Use a three wire grounding type line cord 
like the one supplied with the product.

Be advised that different operating voltages
require the use of different types of line 
cord and attachment plugs.

Always observe the local safaty regulations.
Ensure that the factory-set power
requirements for the device (refer to the label
on the back of the monitor) corresponds to the
mains supply in your region.

The lightning flash with an arrowhead
symbol within an equilateral triangle, is
intended to alert the user to the 
presence of uninsulated "dangerous volt-

age" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of 
electric shock to persons.

The exclamation point within an
equilateral triangle is intended to alert
the user to the presence of important
operating and maintenance (servicing)

instructions in the literature accompanying the
product.

IMPORTANT SAFETY INSTRUCTIONS

BM 12a.qxp  15-01-2007  22:25  Page a

Summary of Contents for BM12A

Page 1: ...BM12A U Us se er rs s m ma an nu ua al l ...

Page 2: ......

Page 3: ...ormally or has been dropped This equipment should be installed near the socket outlet and disconnection of the device should be easily accessible To completely disconnect from AC mains disconnect the power supply cord from the AC receptable The mains plug of the power supply shall remain readily operable Do not install in a confined space Do not open the unit risk of electric shock inside Caution ...

Page 4: ......

Page 5: ... Contents 3 Introduction 4 OPERATING Rear Panel Overview 5 Setting Up 6 Indicators 7 Positioning 7 MISCELLANEOUS Troubleshooting 8 Care 8 Options 8 Service 8 Technical specifications 9 TC Electronic Sindalsvej 34 DK 8240 Risskov tcdk tcelectronic com Rev 1 00 English Version ...

Page 6: ...is manual It contains essential information to make you get the best from your new monitors Break In time The transducers of your BM12A monitor will achieve better sound quality after breaking in Especially after the first hours of use you may notice a significant advance in sound quality Still after first few hours improvement take place but lesser noticeable The latest manual revision is always ...

Page 7: ...e optimal performance from your monitors Please follow the instructions on the following pages 1 AC power Input and fuse 2 Power On Off switch 3 Balanced analog Input 4 High Pass filter switch 5 Level trim 6 LF Low filter setting 7 MF Mid filter setting 8 HF Hi filter setting ...

Page 8: ...z or 80Hz filter thus allowing a higher undistorted soundpressure level 0 5 Level Trim Use this switch to match the sensitivity of the BM12A monitor to your source High output Source If your source has a high output set switch to the 10 position to reduce sensitivity by 10dB Low output source If your source has a low outout set switch to the 4 position to gain 4dB more sensitivity 6 LF This switch...

Page 9: ...heat sink An electronic circuit will mute the signal when too high temperature is reached The protection diode on the front will light up when this happens On the tweeter output there is an overload protection to prevent burning the tweeter driver in case of overloading This circuit will mute the tweeter signal if too much current is fed to the tweeter Positioning The BM12A is designed as a near t...

Page 10: ...till be made though Avoid running the system into severe clipping Even there is an advanced protection system you may be able to destroy your speakers by severe overpowering When a noticeable distortion occurs please turn down the level to your speakers Avoid hot plugging the equipment connected to the monitors Always turn off the speaker and other equipment when plugging or unplugging signals or ...

Page 11: ...ofer Weight Dimensions W x H x D Two way Active Nearfield Monitor 38Hz 21kHz 18dBu RMS 0dB setting 65kOhm each branch Idle 15W Max 130W Tweeter 50W Woofer 100W Bass reflex 40Hz 13 6 liters 1500Hz 6dB oct Esotar 28 mm 1 1 soft dome rear chamber magnetic fluid 4 mm alu front pure alu wire voice coil neodym magnet 200 mm 8 One piece thermo formed poly prop cone 75 mm 3 kapton coil neodym magnet 12 1k...

Page 12: ...Prod No 455 478 ...

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