Provide a compact, energy efficient audio amplifier 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, four analog mic/line inputs, two bridgeable amplified outputs with 200 watts rms power output per channel into low impedance systems or one 400 watt channel into low or high impedance systems, and two line level outputs.
Compact amplifier with 200 watts rms power output per channel, Dante audio networking, and Ecofficient Level 3 qualification
Input Requirements
Shall support two digital audio inputs, received from a Dante audio network via an RJ-45 connector
Shall support four, balanced or unbalanced mic/line signals on two 6-pole, 3.5 mm captive screw connectors
Output Requirements
Shall support two balanced or unbalanced line level signals on one 6-pole, 3.5 mm captive screw connector
Outputs will provide Dante audio pass-through
Shall support two digital audio outputs, transmitted to a Dante audio network via an RJ-45 connector
Shall support two speaker level signals on one 4-pole, 5 mm screw-lock captive screw connectors
Shall provide 200 watts rms output power per channel with all channels driven into 4 ohms or 8 ohms measured at 1 kHz with 0.1% THD
Shall provide 400 watts rms mono output power when in bridged mode into 8 ohms, 16 ohms, or 70V/100V measured at 1 kHz with 0.1% THD
Shall support rear panel selectable channel bridging to provide one channel at 400 watts rms output power into 8 ohms, 16 ohms, or 70V/100V systems
Shall provide a signal-to-noise ratio from the mic/line input to any output of at least 90 dB measured from 20 Hz to 20 kHz, unweighted
Shall provide a THD+N measurement of less than 0.1% measured at 1 kHz, at 8 ohms and 3 dB below clipping
DSP Engine Requirements
Shall provide integrated audio DSP engine
Shall provide a mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs
Shall provide 6 DSP input channels with filters, dynamics, and gain processing
Shall provide 6 DSP output channels with delay, filters, dynamics, and attenuation processing
Configuration Software Requirements
Shall provide PC-based DSP Configurator Software allowing flexible control of the digital signal processor’s fixed architecture
Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
Shall provide an Emulate mode for offline configuration
Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, and parametric); Dynamics processing (Compressor, Limiter); Delay processing; and Ducking
Shall provide cut, copy, paste editing between processing blocks
Shall provide matrix routing with integrated mix point gain adjustment between inputs and outputs
Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
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
Shall provide real-time metering of levels within each Input Gain, Compressor, Limiter, and Output Attenuation processing block in Live mode
Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
Shall provide file saving in both Live and Emulate mode
Shall provide configuration file upload in Live mode
Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
Amplifier Requirements
Shall utilize an efficient Class D amplifier design
Shall provide Class D Ripple Suppression technology
Shall be convection cooled and operate without fans or vents
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
Shall provide multiple protection circuits that activate during output shorts, thermal overload, or DC faults
Shall provide power factor correction technology to remove harmonic content on the AC power line
Dante Audio Networking Requirements
Shall support receive channels over a local area network using standard Internet protocols
Two Dante channels will be tied to the DSP input section
Shall support transmit channels over a local area network using standard Internet protocols
Two Dante channels tied to the DSP output section
Shall support Dante Controller software for digital audio network configuration
Shall support Dante Domain Manager network management software for network security and logical segmenting.
Shall support the AES67 standard for interoperability with other devices that also support AES67
Shall provide an RJ-45 connector to support Dante audio network connection
Shall synchronize to the master clock on the Dante network
Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
Power Requirements
Shall draw 70.5 watts during typical (1/8 power) operation with all output channels driven with 4 ohm loads
Shall draw 70 watts during typical (1/8 power) operation with all output channels driven with 8 ohm loads
Shall draw 70.5 watts during typical (1/8 power) operation with all output channels driven in bridged mode with 8 ohm loads
Shall draw 67.7 watts during typical (1/8 power) operation with all output channels driven in 70 volt mode
Shall draw 65 watts during typical (1/8 power) operation with all output channels driven in 100 volt mode
Shall draw 8.9 watts during quiescent operation
Shall provide a low power standby mode
Shall enter standby mode after 25 minutes (+/- 5 minutes) of inactivity
Shall draw 4 watts or less while in standby mode
Shall return to full power status in less than 100 milliseconds upon signal detection while in standby mode
Shall provide a defeatable auto standby timer
Shall meet Ecofficient Level 3 requirements
Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
Control Requirements
Shall support remote standby control on 3.5 mm captive screw connectors
Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Dante network connection, or USB
Front Panel Requirements
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
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
Shall provide green LEDs for input signal presence indication
Shall provide red LEDs for indication of clip warning and protection circuit activation
Shall provide a red LED for indication of the enclosure temperature exceeding the optimal value
Rear Panel Requirements
Shall provide an RJ-45 connector to support Dante digital audio network connection and up to two incoming digital audio channels
Shall provide four mic/line level inputs on two 6-pole, 3.5 mm captive screw connectors
Shall provide two balanced or unbalanced line level outputs on one 6-pole, 3.5 mm captive screw connector
Shall provide two speaker outputs on one 4-pole, 5 mm screw-lock captive screw connector
Shall support 22 AWG to 12 AWG speaker cables
Shall provide remote standby control port on 3.5 mm captive screw connectors
Shall provide bidirectional RS-232 port that accepts a 3.5 mm captive screw connector
Shall provide green LED for indication of synchronization to the master clock on the Dante network
LED shall blink green when the unit generates the Dante network audio clock
LED shall light solid green when the unit is locked to the Dante network audio clock
LED shall remain unlit when the unit is not locked to the Dante network audio clock
General Requirements
Shall be enclosed in a rack-mountable 1U, half rack width metal enclosure
Shall include rack mount hardware
Shall meet regulatory compliances
Shall meet safety compliances under CE, c-UL, and UL
Shall meet UL 60065, IEC 60065, and BSEN 60065 for safety
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
Shall meet EMI/EMC compliances under CE, C-tick, EN 55103-1, EN 55103-2, FCC Class B, ICES, and VCCI Class B
Shall comply with appropriate requirements of EU code of conduct, RoHS, and WEEE
Shall provide three years parts and labor product warranty
Shall provide seven years parts and labor power supply warranty
Approved device shall be the Extron NetPA U 2002 SB, part number 60-1757-01; no alternates or equals.
NetPA U 2002 SB
Provide a compact, energy efficient audio amplifier 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, four analog mic/line inputs, two bridgeable amplified outputs with 200 watts rms power output per channel into low impedance systems or one 400 watt channel into low or high impedance systems, and two line level outputs.
Compact amplifier with 200 watts rms power output per channel, Dante audio networking, and Ecofficient Level 3 qualification
Input Requirements
Shall support two digital audio inputs, received from a Dante audio network via an RJ-45 connector
Shall support four, balanced or unbalanced mic/line signals on two 6-pole, 3.5 mm captive screw connectors
Output Requirements
Shall support two balanced or unbalanced line level signals on one 6-pole, 3.5 mm captive screw connector
Outputs will provide Dante audio pass-through
Shall support two digital audio outputs, transmitted to a Dante audio network via an RJ-45 connector
Shall support two speaker level signals on one 4-pole, 5 mm screw-lock captive screw connectors
Shall provide 200 watts rms output power per channel with all channels driven into 4 ohms or 8 ohms measured at 1 kHz with 0.1% THD
Shall provide 400 watts rms mono output power when in bridged mode into 8 ohms, 16 ohms, or 70V/100V measured at 1 kHz with 0.1% THD
Shall support rear panel selectable channel bridging to provide one channel at 400 watts rms output power into 8 ohms, 16 ohms, or 70V/100V systems
Shall provide a signal-to-noise ratio from the mic/line input to any output of at least 90 dB measured from 20 Hz to 20 kHz, unweighted
Shall provide a THD+N measurement of less than 0.1% measured at 1 kHz, at 8 ohms and 3 dB below clipping
DSP Engine Requirements
Shall provide integrated audio DSP engine
Shall provide a mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs
Shall provide 6 DSP input channels with filters, dynamics, and gain processing
Shall provide 6 DSP output channels with delay, filters, dynamics, and attenuation processing
Configuration Software Requirements
Shall provide PC-based DSP Configurator Software allowing flexible control of the digital signal processor’s fixed architecture
Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
Shall provide an Emulate mode for offline configuration
Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, and parametric); Dynamics processing (Compressor, Limiter); Delay processing; and Ducking
Shall provide cut, copy, paste editing between processing blocks
Shall provide matrix routing with integrated mix point gain adjustment between inputs and outputs
Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
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
Shall provide real-time metering of levels within each Input Gain, Compressor, Limiter, and Output Attenuation processing block in Live mode
Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
Shall provide file saving in both Live and Emulate mode
Shall provide configuration file upload in Live mode
Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
Amplifier Requirements
Shall utilize an efficient Class D amplifier design
Shall provide Class D Ripple Suppression technology
Shall be convection cooled and operate without fans or vents
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
Shall provide multiple protection circuits that activate during output shorts, thermal overload, or DC faults
Shall provide power factor correction technology to remove harmonic content on the AC power line
Dante Audio Networking Requirements
Shall support receive channels over a local area network using standard Internet protocols
Two Dante channels will be tied to the DSP input section
Shall support transmit channels over a local area network using standard Internet protocols
Two Dante channels tied to the DSP output section
Shall support Dante Controller software for digital audio network configuration
Shall support Dante Domain Manager network management software for network security and logical segmenting.
Shall support the AES67 standard for interoperability with other devices that also support AES67
Shall provide an RJ-45 connector to support Dante audio network connection
Shall synchronize to the master clock on the Dante network
Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
Power Requirements
Shall draw 70.5 watts during typical (1/8 power) operation with all output channels driven with 4 ohm loads
Shall draw 70 watts during typical (1/8 power) operation with all output channels driven with 8 ohm loads
Shall draw 70.5 watts during typical (1/8 power) operation with all output channels driven in bridged mode with 8 ohm loads
Shall draw 67.7 watts during typical (1/8 power) operation with all output channels driven in 70 volt mode
Shall draw 65 watts during typical (1/8 power) operation with all output channels driven in 100 volt mode
Shall draw 8.9 watts during quiescent operation
Shall provide a low power standby mode
Shall enter standby mode after 25 minutes (+/- 5 minutes) of inactivity
Shall draw 4 watts or less while in standby mode
Shall return to full power status in less than 100 milliseconds upon signal detection while in standby mode
Shall provide a defeatable auto standby timer
Shall meet Ecofficient Level 3 requirements
Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
Control Requirements
Shall support remote standby control on 3.5 mm captive screw connectors
Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Dante network connection, or USB
Front Panel Requirements
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
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
Shall provide green LEDs for input signal presence indication
Shall provide red LEDs for indication of clip warning and protection circuit activation
Shall provide a red LED for indication of the enclosure temperature exceeding the optimal value
Rear Panel Requirements
Shall provide an RJ-45 connector to support Dante digital audio network connection and up to two incoming digital audio channels
Shall provide four mic/line level inputs on two 6-pole, 3.5 mm captive screw connectors
Shall provide two balanced or unbalanced line level outputs on one 6-pole, 3.5 mm captive screw connector
Shall provide two speaker outputs on one 4-pole, 5 mm screw-lock captive screw connector
Shall support 22 AWG to 12 AWG speaker cables
Shall provide remote standby control port on 3.5 mm captive screw connectors
Shall provide bidirectional RS-232 port that accepts a 3.5 mm captive screw connector
Shall provide green LED for indication of synchronization to the master clock on the Dante network
LED shall blink green when the unit generates the Dante network audio clock
LED shall light solid green when the unit is locked to the Dante network audio clock
LED shall remain unlit when the unit is not locked to the Dante network audio clock
General Requirements
Shall be enclosed in a rack-mountable 1U, half rack width metal enclosure
Shall include rack mount hardware
Shall meet regulatory compliances
Shall meet safety compliances under CE, c-UL, and UL
Shall meet UL 60065, IEC 60065, and BSEN 60065 for safety
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
Shall meet EMI/EMC compliances under CE, C-tick, EN 55103-1, EN 55103-2, FCC Class B, ICES, and VCCI Class B
Shall comply with appropriate requirements of EU code of conduct, RoHS, and WEEE
Shall provide three years parts and labor product warranty
Shall provide seven years parts and labor power supply warranty
Approved device shall be the Extron NetPA U 2002 SB, part number 60-1757-01; no alternates or equals.