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BA SERIES: INSTALLATION & OPERATION MANUAL

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The inDESIGN BA Series Power Amplifiers are high quality 
amplifiers for commercial and installed audio applications.

The BA Series Power Amplifiers provide either 4 Ohm or 100V 
speaker outputs.

The amplifiers are part of inDESIGN’s Install Series, which also 
includes mixers and power amplifiers. These units provide 
excellent features and value.

INTRODUCTION

INTRODUCTION   

2

IMPORTANT SAFETY

 

INSTRUCTIONS 

 

3

INSTALLATION 

 

5

FRONT PANEL 

 

6

REAR PANEL 

 

7

BLOCK DIAGRAM 

8

SPECIFICATIONS   

9

CONTENTS

Electrical and Safety Warnings

THESE SERVICE INSTRUCTIONS ARE FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY.

 

TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING

 

OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS

 

UNLESS YOU ARE QUALIFIED TO DO SO.

CAUTION

The lightening flash with arrowhead 

symbol, with an equilateral triangle, 

is intended to alert the user to the 

presence of un-insulated

 

“dangerous voltage” within the products 

enclosure that may be of sufficient 

magnitude to constitute a risk of electric 

shock to persons.

WARNING: TO REDUCE THE RISK OF ELECTRIC 

SHOCK, DO NOT REMOVE COVER (OR BACK).

 

NO USER SERVICEABLE PARTS INSIDE. REFER 

SERVICING TO QUALIFIED SERVICE PERSONNEL.

 

AVERTISSEMENT: POUR ÈVITER

 

LE RISQUE D´INCENDIE OU DE CHOCS 

ÈLECTRIQUES, NE PAS EXPOSER CET APPAREIL À 

LA PLUIE OU À L´HUMIDITÈ

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 appliance.

Summary of Contents for BA 2240

Page 1: ......

Page 2: ...K DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO CAUTION The lightening flash with arrowhead symbol with an equilateral triangle...

Page 3: ...hen 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 manufactur...

Page 4: ...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 in a bookcase or cabinet t...

Page 5: ...eter 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...

Page 6: ...NEL 1 Power Switch Turns mains power on and off The LED light above the switch indicates the unit is on off 2 Level Indicator To set for optimum working level normal signal should be kept under the 0d...

Page 7: ...onnections For 70V and or 100V loudspeakers use the COM and 70V or 100V connections For 70V or 100V operation the total minimum impedance of the loudspeaker lines should not overload the amplifier Ref...

Page 8: ...BA SERIES INSTALLATION OPERATION MANUAL PAGE 8 BLOCK DIAGRAM...

Page 9: ...Output low impedance 4 ohm 8 ohm Hi impedance output 70V 80 ohm 70V 40 ohm 70V 20 ohm 100V 160 ohm 100V 80 ohm 100V 41 ohm Input sensitivity Balance input 1V Frequency response 50Hz 18Khz 2dB At 3dB...

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