Operation Manual
I-Tech HD Series Power Amplifi ers
page 4
Important Safety Instructions ............................................................2
Declaration of Conformity ..................................................................3
Table of Contents ...............................................................................4
1 Welcome ........................................................5
1.1 Features .................................................................................5
1.2 How to Use This Manual .........................................................5
2 Setup .............................................................6
2.1 Unpack and Install Your Amplifi er ..........................................6
2.2 Connecting to AC Mains ........................................................7
2.3 Wire Inputs and Outputs .........................................................7
3 Operation ........................................................11
3.1 Protecting Your Speakers ........................................................11
3.2 Startup Procedure ..................................................................11
3.3 Precautions ............................................................................11
3.4 Front Panel Controls and Indicators .......................................12
3.5 Back Panel Controls, Indicators and Connectors ....................13
4 Advanced Operation ............................................14
4.1 Advanced Operation Table of Contents ....................................14
4.2 Navigating the LCD Control Screen .........................................15
4.3 Presets ...................................................................................23
4.4 File Transfer Via the USB Port..................................................24
4.5 List of Pop-Up Boxes and Descriptions ...................................25
4.6 Digital Audio Options (AES/EBU) ............................................26
4.7 Networking the Amplifi er .........................................................26
4.8 Software-Controllable Onboard DSP .....................................26
5 Troubleshooting .................................................39
6 Specifi cations ...................................................41
7 AC Power Draw and Thermal Dissipation ....................45
8 Advanced Features .............................................48
8.1 Protection Systems ................................................................ 48
8.2 Global, Switching Power Supply with PFC ............................. 48
8.3 3rd Generation Class I Circuitry .............................................. 48
8.4. Color-Coded Rear Overlay .................................................... 498
9 Appendix A: Network and CobraNet Basics ..................49
Appendix B: Setting Sensitivity for Best Gain Staging ......53
10 Service ..........................................................54
11 Warranty ........................................................55
Product Registration .......................................................................... 57
Crown Factory Service Information Form .......................................... 59
Table of Contents