Martin Audio – MA1.3s Amplifier
ENGLISH
1
CONTENTS (ENGLISH) Page No
1 CONTENTS MA1.3S USER GUIDE 1
2APPROVALS 2
3WARNINGS 2
3.1 EXPLANATION OF GRAPHICAL SYMBOLS 2
3.2 WARNING 2
3.3 CAUTION 2
3.4 IMPORTANT SAFETY INSTRUCTIONS 2
3.5 USER RESPONSIBILITY 3
3.5.1 LOUDSPEAKER DAMAGE 3
3.5.2 LOUDSPEAKER OUTPUT HAZARD 3
3.5.3 RADIO INTERFERENCE 3
4 INTRODUCTION 4
4.1 UNPACKING 4
4.2 FRONT PANEL 4
4.3 REAR PANEL 5
5 REAR PANEL FEATURES 5
5.1 GAIN SWITCH 5
5.1.1 GAIN 6
5.1.2 SENSITIVITY 6
5.1.3 OPTIONS 6
5.2 LINK SWITCH 6
5.3 OPERATING MODES 6
5.3.1 STEREO MODE 6
5.3.2 NOTES FOR AMPLIFIER TESTING 6
5.3.3 TANDEM MODE 7
5.3.4 BRIDGE MONO MODE 7
5.3.5 BRIDGE MONO MODE FEATURES 7
6 INSTALLATION 8
6.1 MOUNTING 8
6.2 COOLING 8
6.3 OPERATING VOLTAGE 8
6.4 DENMARK 9
6.5 GROUNDING 9
6.6 POWER CONSUMPTION 9
6.7 CALCULATION 9
7 CONNECTIONS 10
7.1 INPUT CONNECTIONS 10
7.1.1 BALANCED INPUTS 10
7.1.2 UNBALANCED INPUTS 11
7.2 CONNECTING SPEAKERS 11
8 OPERATION 12
8.1 OPERATING PRECAUTIONS 12
8.2 POWERING UP – SOFT START 12
8.3 INPUT ATTENUATORS 12
8.4 INDICATORS 12
9 PROTECTION FEATURES 13
9.1 OUTPUT LIMITER 13
9.2 THERMAL PROTECTION 13
9.3 VHF PROTECTION 13
9.4 SHORT CIRCUIT PROTECTION 14
9.5 AC MAINS VOLTAGE PROTECTION 14
9.6 DC PROTECTION 14
10 MAINTENANCE 14
10.1 TROUBLESHOOTING 14
11 WARRANTY 15
12 SPECIFICATIONS MA1.3S 16
