TOA Electronics TA 1400 - Manual (Page 2)

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CONTENTS
1 CONTENTS ........................................................................................................................1
2 APPROVALS ......................................................................................................................2
3 WARNINGS ........................................................................................................................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 Speaker damage ..................................................................................................3
3.5.2 Speaker 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 .................................................................................................6
5.1 Gain switch ..................................................................................................................6
5.1.1 The DIP-switch .....................................................................................................6
5.1.2 Sensitivity..............................................................................................................6
5.1.3 Options .................................................................................................................6
5.2 Link switch ...................................................................................................................7
5.3 Operation modes .........................................................................................................7
5.3.1 Stereo mode .........................................................................................................7
5.3.2 Note for bench test ...............................................................................................7
5.3.3 Tandem mode.......................................................................................................7
5.3.4 Bridge mono mode ...............................................................................................7
5.3.5 Bridge mono mode features .................................................................................8
6 INSTALLATION...................................................................................................................8
6.1 Mounting ......................................................................................................................8
6.2 Cooling.........................................................................................................................8
6.3 Operating
voltage.........................................................................................................9
6.4 Denmark: .....................................................................................................................9
6.5 Switzerland: .................................................................................................................9
6.6 Grounding ....................................................................................................................9
6.7 Power
consumption .....................................................................................................9
6.7.1 Calculation ..........................................................................................................10
7 CONNECTIONS................................................................................................................10
7.1 Input connections.......................................................................................................10
7.1.1 Balanced inputs ..................................................................................................10
7.1.2 Unbalanced inputs ..............................................................................................11
7.2 Connecting speakers .................................................................................................12
8 OPERATION .....................................................................................................................12
8.1 Operation precautions................................................................................................12
8.2 Powering up – Soft start.............................................................................................13
8.3 Input attenuators ........................................................................................................13
8.4 Indicators ...................................................................................................................13
9 PROTECTION FEATURES ..............................................................................................13
9.1.1 Clip Limiter..........................................................................................................13
9.1.2 Thermal protection..............................................................................................14
9.1.3 VHF protection....................................................................................................14
9.1.4 Short circuit protection ........................................................................................14
9.1.5 AC mains voltage protection...............................................................................14
9.1.6 D.C. protection....................................................................................................14
10 MAINTENANCE ............................................................................................................14
10.1 Troubleshooting .........................................................................................................14
11 WARRANTY ..................................................................................................................15
Tannoy Limited
TA 1400 User Manual 11-06-02
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