XPA U 1004C

XPA U 1004C-70V

1. Provide a compact, energy efficient audio amplifier that shall support four analog inputs, two amplified outputs with 100 watts rms power output per channel into 4 or 8 ohms, and two amplified outputs with 100 watts rms into a 70 volt line.
   1. Compact amplifier that delivers two channels of 100 watts rms power output into 4 or 8 ohms plus two channels with 100 watts rms into a 70 volt line, and includes ENERGY STAR® qualification
      1. Input Requirements
         1. Shall support four, balanced or unbalanced line level signals on four 5-pole, 3.5 mm captive screw connectors
      2. Output Requirements
         1. Shall support two low impedance speaker level signals on one 4-pole, 5 mm screw-lock captive screw connector
         2. Shall support two high impedance speaker level signals on one 4-pole, 5 mm screw-lock captive screw connector
         3. Shall provide 100 watts rms per low impedance channel into 4 ohms or 8 ohms measured at 1kHz with 0.1% THD
         4. Shall provide 100 watts rms per high impedance channel into a 70 volt line measured at 1 kHz with 0.1% THD
         5. Shall provide a signal-to-noise ratio of 100 dB measured from 20 Hz to 20 kHz, unweighted
         6. Shall support a minimum load impedance of 4 ohms for channels 1 and 2
         7. Shall support a minimum load impedance of 50 ohms for channels 3 and 4
         8. Shall provide a THD+N measurement of 0.1%, measured at 1 kHz, and 3 dB below clipping
         9. Shall provide a damping factor of greater than 100 at 8 ohms, for channel 1 and 2
         10. Shall provide a damping factor of greater than 100 at 143 ohms, for channels 3 and 4
         11. Shall provide a selectable high pass filter for frequencies below 80 Hz with a 12 dB per octave rolloff on the high impedance channels
      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
         6. Shall provide power factor correction technology to remove harmonic content on the AC power line
      4. Power Requirements
         1. Shall draw 68.9 watts during typical (1/8 power) operation with two output channels driven with 4 ohm loads and two output channels at 70 volts
         2. Shall draw 67.0 watts during typical (1/8 power) operation with two output channels driven with 8 ohm loads and two output channels at 70 volts
         3. Shall draw 8.2 watts during quiescent operation
         4. Shall provide a low power standby mode
            1. Shall enter standby mode after 25 minutes (+/- 5 minutes) of inactivity
            2. Shall draw less than 1 watt while in standby mode
            3. Shall return to full power status in less than 100 milliseconds upon signal detection while in standby mode
            4. Shall feature an input signal detection threshold of -65 dBu, +/- 3 dB on a balanced input to deactivate standby mode
         5. Shall be ENERGY STAR qualified
         6. Shall provide an internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
      5. Control Requirements
         1. Shall support remote standby control on one 2-pole, 3.5 mm captive screw connector
      6. 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
         2. Shall provide an LED for indication of the enclosure temperature exceeding the optimal value
         3. Shall provide green LEDs for input signal presence indication
         4. Shall provide red LEDs for indication of clip warning and protection circuit activation
      7. Rear Panel Requirements
         1. Shall provide four inputs on two 5-pole captive screw connectors
         2. Shall provide four outputs on two 4-pole, 5 mm screw-lock captive screw connectors
            1. Shall support 22 AWG to 12 AWG speaker cables
         3. Shall provide remote standby control port on one 2-pole, 3.5 mm captive screw connector that supports standby defeat with the insertion of included 10k ohm resistor
         4. Shall provide recessed, detented potentiometers with laser etched position indicators for attenuation adjustment
         5. Shall provide a 2-pole, 3.5 mm captive screw connector for selecting a high pass filter to roll off frequencies below 80 Hz on the high impedance channels
         6. Shall provide green LEDs for input signal presence indication
         7. Shall provide red LEDs for indication of clip warning and protection circuit activation
      8. 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, CEC, CISPR 22 Class B, C-tick, CUL, ENERGY STAR, European Code of Conduct, FCC Class B, ICES, RoHS, UL, UL 2043, VCCI Class B
            2. 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
            3. Shall meet UL 60065, IEC 60065, and BSEN 60065 for safety
            4. Shall meet EMI/EMC compliances under CE, CISPR 22 Class B, C-tick, FCC Class B, ICES, and VCCI Class B
            5. Shall comply with appropriate requirements of ENERGY STAR, EU code of conduct, RoHS, and WEEE
         3. Shall provide three year parts and labor product warranty
         4. Shall provide seven year parts and labor power supply warranty
   2. Approved device shall be the Extron XPA U 1004C-70V, part number 60-1852-01; no alternates or equals.