Nexo NXAMP4X1

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BLOCK DIAGRAM DESCRIPTION

Block diagram description

The block diagram bellow shows the global signal path inside the DSPs, for one channel

(identical for all the channels):

The detail of each block numbered is given bellow.

PAGE 30 OF 80

Main Page

Table of Content6
- Table of Contents6
- Dsp Core10
- Integrated Amplifier10
- Level and Latency10
Nxamp4X1 Versus Nx242: What's New10
- Software10
- What' Changed?10
What's Remaining the same10
- Computing Resources11
- Ethersound™ Optional Board11
- Four Separate Inputs11
- Power Supply11
- User Interface11
- Amplifier Indicators12
What's Changed10
Quick Start12
- Encoder13
- Lcd Display13
- Mute Buttons13
- Navigation Buttons (a & B)13
- Select Buttons13
- Volume Indicators13
- Air Intakes14
- Channel Indicators14
- Screw Holes for Handles14
Front Panel Description12
- Power Switch12
Back Panel Description15
- Balanced Audio Inputs with Link15
- Expansion Slot15
- Gpio Port15
- Mains Connectors15
- Power Outputs15
- Rs-232 Port15
Basic Functions16
- Rear End Mounting Holes16
- Reset16
- Select Your Cabinet Set-Up16
- Selecting Cabinet Family16
- Auto Save17
- Back to Default17
- Enter the Download Mode17
- Using the Amplifier Without the Tdcontroller Functionality17
What's Inside the Carton Box18
Setting-Up Advice19
Earth Connection19
Mains Setting19
Mounting the Nxamp4X1 in a Rack (Grounding, Shielding & Safety Issues)19
Using the Nxamp4X1 Without a Rack21
Fuses21
Electromagnetic Environments21
Analogue Input Signal Cables21
Nxamp4X1 Power Outputs Wiring23
General Description24
Global Architecture24
- Power Supply Block24
- Analog Input Block25
- Control Block25
- Power Amplifier Blocks26
- Power Outputs Block26
- Communication Block27
- User Interface Block27
- Expansion Slot Block29
Block Diagram Description30
Patching and Routing (1)31
- Subsonic and Vhf Filtering (3)31
- User Set-Up Delay31
- Crossover Section (6)32
- Equalising Single Component Response and Nxstream Processing (5)32
- Equalising Wideband Acoustical Response (3)32
- Gain Section (29)32
- Post Protection Eq and Low Pass (27) (28)32
- User Set - up , Array Eq (4)32
- Displacement Control (7) (8) (9)33
- Mechanical Stress Control (10) (11)33
Delay & Polarity Inversion (2)31
Equalisation & Filtering31
- Factory Set-Up Delay31
Protections33
- Source Signals for Protection Algorithms (25)33
- Global Purpose Vceq (14)34
- Hf Acceleration Control (13)34
- Hf Displacement Control (12)34
- Loudspeaker Peak Limiters (15)34
- Temperature Control (16) (17)34
- Amplifier Integrate Current Limiter (21)35
- Amplifier Peak Current Limiter (20)35
- Amplifier Peak Voltage Limiter (22)35
- Amplifier Short Circuit Detector (24)35
- Interchannel Regulation (19)35
Menu Description36
Changing Cabinet Family36
Adjusting Volume37
Adjusting Delay38
Adjusting Gain39
- Option Menu40
Adjusting Array Eq39
Options Menu40
- System Config40
- Input Patch41
- Save/Recall User Setups43
- Gpio Mode45
- Security45
- Miscellaneous Options46
- About « Loudspeaker Management Devices47
Installation Recommendations47
- Operating Sub's Fed through an Aux Output47
- Operation of Multiple Powered Tdcontrollers47
Audio Chain Recommendations47
System Alignment47
- Geometrical Alignment48
- Measuring and Aligning Phase in the Overlapping Region48
- Ethersound ™ in Port50
- Ethersound ™ Network Status Led S50
Nxes104 Expansion Board and Remote Control50
Nxes104 Physical Description50
- Ethersound out Port51
- Mono-Directional, Non ES100 Devices51
- Remote Es100 Port51
Various Ethersound™ Devices Description51
- Bi-Directional, Non ES100 Devices52
- Es100 Devices52
- Es100/Spkr Devices52
Ethernet Additional Hardware52
- Hubs52
- Ethernet Cables53
- Switches53
- Wireless Lan53
- Fiber Optic55
Installation Inside the Nxamp4X156
NXAMP Control Page in Esmonitor Software56
- Delay Unit57
- Input Meters57
- Input Meters Choice57
- Arrayeq Settings58
- Delay Settings58
- Gain Control58
- Input Patch58
- Mute Button58
- Output Meters58
- Security58
- Volume Control58
- Virtual Front Panel59
Nxwin4 Software for Nxamp4X1 Firmware Upgrade60
- Serial Port Upgrade60
What You Need to Upgrade Your Nxamp4X160
Connect the Computer to the Nxamp4X161
- Ethersound™ in Port61
- Ethersound™ Upgrade61
- Remote Es100 Port61
- Rs-232 Serial Port61
Using the Nxwin4 Software61
- Begin the Upgrade63
- In Download Mode63
- Choosing a Cabinet Setup64
- Select Your Cabinet Set-Up64
- Selecting Cabinet Family64
Using the Controller after a Firmware Update64
Technical Specifications65
Thermal Dissipation and Current Drawn66
Dimensions66
Application Note: Driving the Sub from the Aux Send67
- Consequences of Badly Aligned Systems67
- What Is the Phase Relation between the Aux and Main Output of Your Desk67
- Why It Is Unlikely the Aux and Main Have the same Phase67
- Precautions & Check68
Appendix A : List of Supported Presets (Load2_48)70

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