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BMA SERIES: INSTALLATION & OPERATION MANUAL

PAGE 6

FRONT PANEL

1.  Power Switch: Turns mains power on and off. 

The round LED light surrounding the Master Volume control indicates the unit is on/off.

2.  Level Indicator: To set for optimum working level normal signal should be kept under the 0dB. 

The red +3dB will illuminate when signal is excessive.

3.  Input 1 to Input 4: The selected Microphone or Line input level is controlled via these knobs.

4.  Treble: Adjust the level to suit the required tone of the output. Increasing the treble may improve 

intelligibility, decreasing the treble may reduce the onset of high frequency feedback.

5.  Bass: Adjust the Bass level to suit the required tone of the output. Increasing Bass may make music 

sound fuller, reducing the Bass in reverberant spaces may improve speech intelligibility.

6.  Master level: Adjust the overall system volume to suit the environment and use of the system.

Содержание BMA 30

Страница 1: ......

Страница 2: ...30 60 10 BMA 120 240 11 SPECIFICATIONS 12 CONTENTS Electrical and Safety Warnings THESE SERVICE INSTRUCTIONS ARE FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY TO REDUCE THE RISK OF ELECTRIC SHOCK DO NO...

Страница 3: ...When put into use again check that the power cord set is not damaged If any damage is found have the unit checked by a qualified service person to replace the power cord set specified by the manufactu...

Страница 4: ...t allow a minimum 10 cm or 4 inches of unobstructed clearance around the unit Do not place the unit on a bed sofa rug or similar surface that could block the ventilation openings If the unit is placed...

Страница 5: ...meter INSTALLATION How to Calculate the correct load for a 100V Amplifier When installing a 100V loudspeaker system it is rather simple to calculate the number of loudspeakers that can be connected to...

Страница 6: ...Input 4 The selected Microphone or Line input level is controlled via these knobs 4 Treble Adjust the level to suit the required tone of the output Increasing the treble may improve intelligibility d...

Страница 7: ...mplifier of the mixer to an external device such as an equaliser or processor and the processed signal can be fed back into the amplifier via the Main In connection If this feature is not used ensure...

Страница 8: ...BMA SERIES INSTALLATION OPERATION MANUAL PAGE 8 BLOCK DIAGRAMS Input...

Страница 9: ...BMA SERIES INSTALLATION OPERATION MANUAL PAGE 9 Mix BLOCK DIAGRAMS...

Страница 10: ...BMA SERIES INSTALLATION OPERATION MANUAL PAGE 10 BMA 30 60 BLOCK DIAGRAMS...

Страница 11: ...BMA SERIES INSTALLATION OPERATION MANUAL PAGE 11 BMA 120 240 BLOCK DIAGRAMS...

Страница 12: ...nse 50Hz 18Khz 2dB At 3dB rated power Noise floor 8mV at 100V output 9mv at 100V output 10mv at 100V output 8mv at 100V output THD at 3dB rate power Less than 0 5 0 40 0 22 0 21 Tone control Bass 100H...

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