NetPA 1001-70V AT

NetPA 1001-70V AT

1. Provide a compact, energy efficient audio amplifier that shall support one digital audio input received from a Dante™ audio network, one mono amplified output with 100 watts rms power output into a 70 volt line, and one line level output.
   1. Compact mono amplifier with 100 watts rms power output into a 70 volt line, Dante audio networking, and Ecofficient Level 3 qualification
      1. Input Requirements
         1. Shall support one digital audio input, received from a Dante audio network via an RJ-45 connector
      2. Output Requirements
         1. Shall support one balanced or unbalanced line level signal on one 3-pole, 3.5 mm captive screw connector
            1. Output will provide Dante audio pass-through
         2. Shall support one high impedance speaker level signal on one 2-pole, 5 mm screw-lock captive screw connector
            1. Shall provide a total of 100 watts rms output power into a 70 volt line measured at 1 kHz with 0.1% THD
            2. Shall provide a signal-to-noise ratio greater than 90 dB measured from 20 Hz to 20 kHz, unweighted
            3. Shall support a minimum load impedance of 50 ohms
            4. Shall provide a THD+N measurement of less than 0.1% measured at 1 kHz, at 8 ohms and 3 dB below clipping
         3. Shall provide a switch-selectable high pass filter for frequencies below 80 Hz with a 12 dB per octave rolloff
      3. 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
      4. Dante Audio Networking Requirements
         1. Shall support an incoming channel over a local area network using standard Internet protocols
            1. One incoming Dante channel from a Dante-equipped digital signal processor will be tied to the amplifier’s input section
         2. Shall support Dante Controller software for digital audio network configuration
         3. Shall provide an RJ-45 connector to support Dante audio network connection
         4. Shall synchronize to the master clock on the Dante network
         5. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
      5. Power Requirements
         1. Shall draw 22.7 watts during typical (1/8 power) operation
         2. Shall draw 7.5 watts during quiescent operation
         3. Shall provide a low power standby mode
            1. Shall enter standby mode after 25 minutes (+/- 5 minutes) of inactivity
            2. Shall draw less than 2 watts while in standby mode
            3. Shall return to full power status in less than one second upon signal detection while in standby mode
            4. Shall feature an input signal detection threshold of -60 dBFS, +/- 3 dB to deactivate standby mode
            5. Shall provide a defeatable auto standby timer
         4. Shall meet Ecofficient Level 3 requirements
         5. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
      6. Control Requirements
         1. Shall support remote standby control on one 2-pole, 3.5 mm captive screw connector
      7. 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 green LEDs for input signal presence indication
         3. Shall provide red LEDs for indication of clip warning and protection circuit activation
      8. Rear Panel Requirements
         1. Shall provide an RJ-45 connector to support Dante digital audio network connection and one incoming digital audio channel
         2. Shall provide one balanced or unbalanced line level output on 3-pole, 3.5 mm captive screw connector
         3. Shall provide one speaker outputs on 2-pole, 5 mm screw-lock captive screw connector
            1. Shall support 22 AWG to 12 AWG speaker cables
         4. Shall provide remote standby control port on one 2-pole, 3.5 mm captive screw connector
         5. Shall provide recessed, detented potentiometers for attenuation adjustment
         6. Shall provide a switch for selecting a high pass filter to roll off frequencies below 80 Hz with a 12 dB per octave rolloff
         7. 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 network audio clock
            2. LED shall light solid green when the unit is locked to the network audio clock
            3. LED shall remain unlit when the unit is not locked to the network audio clock
      9. General Requirements
         1. Shall be enclosed in a rack-mountable 1U, half rack width metal enclosure
         2. 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 meet EMI/EMC compliances under CE, C-tick, EN 55103-1, EN 55103-2, FCC Class B, ICES, and VCCI Class B
            4. Shall comply with appropriate requirements of EU code of conduct, RoHS, and WEEE
         3. Shall provide three years parts and labor warranty
   2. Approved device shall be the Extron NetPA 1001-70V AT, part number 60-1501-01; no alternates or equals.