Crown DriveCore I-Tech 4x3500 HD - Page 49

Crown DriveCore I-Tech 4x3500 HD

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I-Tech HD DriveCore Series Power Ampliers

Operation Manual

page 49

Figure 9.3 Typical Damping Factor vs. Frequency

9 Speciﬁcations

Table of Contents

Default Chapter1
- Operation Manual1
- Important Safety Instructions2
- Declaration of Conformity3
- Table of Contents4
1 Welcome5
- Features5
- How to Use this Manual5
2 Setup6
- Unpack and Install Your Amplifier6
- Dimensions6
- Connecting to AC Mains7
- Wire Inputs and Outputs7
3 HARMAN Greenedge - Going 'Green11
- Going 'Green11
- The Sound of Efficiency11
- Green Savings11
4 Integraded Drivecore TM Technology12
5 Powered by Crown13
6 Operation14
- Protecting Your Speakers14
- Startup Procedure14
- Precautions14
- Front Panel Controls and Indicators15
- Back Panel Controls, Indicators and Connectors16
7 Advanced Operation17
- Introduction17
- Operation Example 118
- Presets27
- List of Pop-Up and Descriptions28
- Digital Audio Options (AES3 and Vdrive)29
- Networking the Amplifier29
- Software- Controllable Onboard DSI29
8 Troubleshooting44
9 Specifications46
10 Ac Power Draw and Thermal Dissipation50
11 Advanced Features51
- Protection Systems51
- Global Switching Power Supply with PFC51
- 6Th Generation Class I Circuitry51
- Color-Coded Rear Overlay51
12 Appendix A: Network and Cobranet Basics52
- Hiqnet Networks52
- A Closer Look at Cobranet54
13 Levelmax TM Limiter Suite56
14 Levelmax Limiters57
- Levelmax Peak Limiter57
- Peak Limiter Threshold (Vpk)57
- Peak Limiter Attach (Sec)57
- Peak Limiter Release (Sec)57
- Peak Limiter Look Ahead57
- Levelmax RMS Limiter57
- RMS Threshold (VRMS)57
- Levelmax Tranducer Thermal Limiters57
- Thermal Voltage (VRMS)57
15 Appendix B: Table of Parameters Modified by each Mode58
With Levelmax58
16 Application of Fir Filters to Loudspeakers Crossovers60
- FIR Overview60
- What Are IIR Filters and FIR Filters60
- Pros and Cons of IIR and FIR Filters60
- Desirable Attributes of FIR Filters60
- High Rolloff and Steep Slopes61
- Stop-Band Attenuation61
- FIR Polar Lobing Eror61
- Crown's Implementation of FIR Filters61
- FFT Convolution61
- Filter Design62
- Low Latency 96 Khz Studio Quality Filters62
- Measurements of Two-Way Loudspeaker System62
- FIR Measurements64
- Conclusions65
17 Service66
- International and Canada Service66
- US Service66
18 Warranty67
- Product Registration69
- Crown Audio Factory Service Information71

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