NetPA U 8001 SUB

NetPA U 8001 SUB

1. Provide a compact, energy efficient audio amplifier for subwoofers with low thermal dissipation that shall support two digital audio inputs received from a Dante® audio network, two digital audio outputs to a Dante audio network, two analog line inputs, one amplified output with 800 watts rms power output, and two line level outputs.
   1. Compact amplifier with 800 watts rms power output per channel, Dante audio networking, and Ecofficient Level 3 qualification
      1. Input Requirements
         1. Shall support two digital audio inputs, received from a Dante audio network via an RJ-45 connector
         2. Shall support two, balanced or unbalanced line signals on one 6-pole, 3.5 mm captive screw connector
      2. Output Requirements
         1. Shall support two balanced or unbalanced line level signals on one 6-pole, 3.5 mm captive screw connector
            1. Outputs will provide Dante audio pass-through
         2. Shall support two digital audio outputs, transmitted to a Dante audio network via an RJ-45 connector
         3. Shall support one speaker level signal on one 2-pole, 5 mm screw-lock captive screw connector
            1. Shall provide 800 watts rms output power into 8 ohms measured at 1 kHz with < 0.1% THD
            2. Shall provide 650 watts rms output power into 4 ohms measured at 1 kHz with < 0.1% THD
            3. Shall provide 325 watts rms output power into 2 ohms measured at 1 kHz with < 0.1% THD
            4. Shall provide a line in to line out and digital out signal-to-noise ratio at least 90 dB measured from 20 Hz to 20 kHz, unweighted
            5. Shall support a minimum load impedance of 2 ohms
            6. Shall provide a THD+N measurement of less than 0.1% measured at 1 kHz, at 8 ohms and 3 dB below clipping on the amplifier output
      3. DSP Engine Requirements
         1. Shall provide integrated audio DSP engine
         2. Shall provide a mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs
         3. Shall provide 4 DSP input channels with filters, dynamics, and gain processing
         4. Shall provide 5 DSP output channels with delay, filters, dynamics, and attenuation processing
      4. Configuration Software Requirements
         1. Shall provide PC-based DSP Configurator Software allowing flexible control of the digital signal processor’s fixed architecture
         2. Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
         3. Shall provide an Emulate mode for offline configuration
         4. Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
         5. Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, crossover, and parametric); Dynamics processing (Compressor, Limiter); Delay processing; and Ducking
         6. Shall provide cut, copy, paste editing between processing blocks
         7. Shall provide matrix routing with integrated mix point gain adjustment between inputs and outputs
         8. Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
         9. Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
         10. Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
         11. Shall provide Presets for recall of any processing block setting, level setting or audio routing; presets shall be saved for the entire system, or any selected partial group of inputs, outputs, mix points, and DSP blocks
         12. Shall provide real-time metering of levels within each Input Gain, Compressor, Limiter, and Output Attenuation processing block in Live mode
         13. Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
         14. Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
         15. Shall provide file saving in both Live and Emulate mode
         16. Shall provide configuration file upload in Live mode
         17. Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
      5. Amplifier Requirements
         1. Shall utilize an efficient Class D amplifier design
         2. Shall provide Class D Ripple Suppression technology
         3. Shall be convection cooled and operate without fans or vents
         4. Shall provide an automatic clip limiter to detect onset of clipping by comparing input and output waveforms and automatically reduce gain without audible artifacts to eliminate clipping distortion
         5. Shall provide multiple protection circuits that activate during output shorts, thermal overload, or DC faults
         6. Shall provide power factor correction technology to remove harmonic content on the AC power line
      6. Dante Audio Networking Requirements
         1. Shall support receive channels over a local area network using standard Internet protocols
            1. Two Dante channels will be tied to the DSP input section
         2. Shall support transmit channels over a local area network using standard Internet protocols
            1. Two Dante channels tied to the DSP output section
         3. Shall support Dante Controller software for digital audio network configuration
         4. Shall support Dante Domain Manager network management software for network security and logical segmenting.
         5. Shall support the AES67 standard for interoperability with other devices that also support AES67
         6. Shall provide an RJ-45 connector to support Dante audio network connection
         7. Shall synchronize to the master clock on the Dante network
         8. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
      7. Power Requirements
         1. Shall draw 104.7 watts during typical (1/8 power) operation with all output channels driven with 4 ohm loads
         2. Shall draw 121 watts during typical (1/8 power) operation with all output channels driven with 8 ohm loads
         3. Shall draw 10.4 watts during quiescent operation
         4. Shall provide a low power standby mode
            1. Shall provide a selectable auto standby timer
2. When timer is enabled, shall enter standby mode after 25 minutes of inactivity
   1. Shall draw 4 watts or less while in standby mode
   2. Shall return to full power status in less than 100 milliseconds upon signal detection while in standby mode
      1. Shall meet Ecofficient Level 3 requirements
      2. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
   3. Control Requirements
      1. Shall support remote standby control on 3.5 mm captive screw connectors
      2. Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
      3. Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Dante network connection, or USB
   4. Front Panel Requirements
      1. Shall provide an LED for power indication that lights green when the unit is receiving power and active, and lights amber when the unit is in standby mode
         1. LED shall blink momentarily in the same color and pattern as the Link indicator LED on the rear panel when an “Identify Device” request is sent from Dante Controller software
      2. Shall provide a green LED for input signal presence indication
      3. Shall provide a red LED for indication of clip warning and protection circuit activation
      4. Shall provide a red LED for indication of the enclosure temperature exceeding the optimal value
   5. Rear Panel Requirements
      1. Shall provide an RJ-45 connector to support Dante digital audio network connection and up to four incoming digital audio channels
      2. Shall provide green LED for indication of synchronization to the master clock on the Dante network
         1. LED shall blink green when the unit generates the Dante network audio clock
         2. LED shall light solid green when the unit is locked to the Dante network audio clock
         3. LED shall remain unlit when the unit is not locked to the Dante network audio clock
      3. Shall provide two line level inputs on one 6-pole, 3.5 mm captive screw connector
      4. Shall provide two balanced or unbalanced line level outputs on one 6-pole, 3.5 mm captive screw connector
      5. Shall provide one speaker output on one 4-pole, 5 mm screw-lock captive screw connector
         1. Shall support 22 AWG to 12 AWG speaker cables
      6. Shall provide remote standby control port on 3.5 mm captive screw connectors
      7. Shall provide bidirectional RS-232 port that accepts a 3.5 mm captive screw connector
      8. Shall provide a Configuration port that accepts a USB mini type B connector
      9. Shall provide a recessed reset switch with LED indicator
      10. Shall provide LEDs for Over Temp, Signal, and Limiter/Protect
   6. General Requirements
      1. Shall be enclosed in a rack-mountable 1U, half rack width metal enclosure
      2. Shall include rack mount hardware
      3. Shall meet regulatory compliances
         1. Shall meet safety compliances under CE, c-UL, and UL
         2. Shall meet UL 60065, IEC 60065, and BSEN 60065 for safety
         3. Shall be UL listed for plenum airspaces and meet UL 2043 compliance for heat and smoke release, when used with an optional Extron Flexible Conduit Adapter Kit
         4. Shall meet EMI/EMC compliances under CE, C-tick, EN 55103-1, EN 55103-2, FCC Class B, ICES, and VCCI Class B
         5. Shall comply with appropriate requirements of EU code of conduct, RoHS, and WEEE
      4. Shall provide three years parts and labor product warranty
      5. Shall provide seven years parts and labor power supply warranty
3. Approved device shall be the Extron NetPA U 8001 SUB, part number 60-1866-01; no alternates or equals.