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FUNDAMENTAL ACOUSTIC RESEARCH

 

OWNERS MANUAL LBE 12 A 

9

TROUBLESHOOTING 

 This section is designed to trouble free technical operation. Most of the problems encountered by the users  are due to operating mistakes .Please 

check this list first for a possible solution. If the problem persists, consult your local FAR distributor or  EMAIL to : 

[email protected]

 

Your problem is 

       Make 

sure 

that 

No light  comes on when the power cord is 
plugged into AC outlet. 

• 

The unit is plugged into a live outlet 

No sound is heard 

• 

That the level control at the rear is not turned to the minimum 

• 

That  the remote control is plugged in the right way 

• 

That your audio connection is properly done 

• 

That the remote control is not on mute position or – 80 dB position. 

Sound is heard stronger from one side. 

• 

That the remote control is not on one side only 

• 

That both level controls on the rear are correctly turned on the same 
position. 

When listening to stereo the left and right 
sounds are reversed  

• 

That left and right wires are connected the same way 

When listening to surround (more than 12 
surround both sides) the sound is less powerful  

• 

That the link connection between each speaker is properly done  

• 

That you didn’t connect  more than six speakers on the link connector. 

Too much low frequencies 

• 

That you have checked the low frequency deep switches adjustments 

• 

That the position of your speakers is not too close to the corners 

Not enough low frequencies 

• 

.That your connections are not out of phase. 

• 

That you have checked the low frequency deep switches adjustments 

Summary of Contents for LBE 12 A

Page 1: ...FUNDAMENTAL ACOUSTIC RESEARCH OWNERS MANUAL LBE 12 A 1 OWNER S MANUAL ACTIVE SUBWOOFERLBE 12 A...

Page 2: ...ease be sure to read this owner s manual and use your speaker only in accordance with its instruction CONTENTS Applications 2 Installation 3 Technical description 4 Technical drawing 6 Fine frequency...

Page 3: ...r cord immediately and consult an authorized FAR dealer Using the unit under such condition may cause a fire or shock hazard Installation Mains Attach the plug to the IEC socket And connect it to the...

Page 4: ...Sensitivity dB SPL Maximum pressure level 2 cabinets 1 m 115 Frequency Range Hz 3 dB 35 80 120 Active filter Low pass section Crossover frequency 80 120 Hz 24 dB Octave Limiter on off 2dB Components...

Page 5: ...Power bandwidth 20 25000 Hz Slew rate 35 V s SN ratio 100 dB Distortion Intermodulation 0 01 Total 0 05 Input Sensitivity 0 dB Impedance 10 kOhm Connectors Input symmetric XLR Jack Link XLR Remote RJ...

Page 6: ...CH OWNERS MANUAL LBE 12 A 6 TECHNICAL DRAWING LEGEND 1 Main level tuning 2 Limiter function 3 Link 4 Input XLR 5 Frequency adjustment 6 Cooling system 7 Mains 8 Power 9 Phase adjustment 10 Input outpu...

Page 7: ...and one for the frequency adjustment Figure 2 Phase adjustment The switch can be set to one of the two positions for an optimum placement in your room Positions available 0 180 Figure 1 phase adjustm...

Page 8: ...on or off position using the dip switch on the rear panel Figure 3 Limiter switch The overload LED indicates whether or not the limiter is in operation LED comes Red when the limiter is not in use Or...

Page 9: ...ne That the remote control is not on mute position or 80 dB position Sound is heard stronger from one side That the remote control is not on one side only That both level controls on the rear are corr...

Page 10: ...FUNDAMENTAL ACOUSTIC RESEARCH OWNERS MANUAL LBE 12 A 10...

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