PRISM4X4

Analog Inputs
– Number of Inputs: Four 4 switchable balanced mic or line level.
– Connectors: 3.81 mm terminal blocks.
– Nominal Input Level: +4 dBu.
– Maximum Input Level: +23 dBu.
– Mic Pre-amp gain: 0, 12, 24, 44 or 54 dB switchable with ± 24 dB trim.
– Mic Pre-amp EIN: -125dB with 150 ohm source impedance. 22.4 kHz BW.
– CMRR: 79 dB @ 1 kHz, unity gain.
– Input impedance: 8k Ohms balanced, 4k Ohms unbalanced.
– Phantom power per input: +48 VDC, 10 mA maximum.
– Dynamic range: 113 dB, A-weighted.
– THD+Noise: -100 dB 22.4 kHz BW, unweighted 1 kHz @ +15 dBu with 0 dB gain. Course gain is set to +4dBu.
– A to D Latency: 0.28 mS.

Analog Outputs
– Number of Outputs: Four 4 balanced line level.
– Connectors: 3.81 mm terminal blocks.
– Nominal Output Level: +4 dBu with 20 dB of headroom.
– Maximum Output Level: +24 dBu +22.8 dBu into a 2k Ohm minimum load.
– Output Impedance: 300 Ohms balanced, 150 Ohms unbalanced.
– Dynamic Range: 117 dB, A-weighted.
– THD+Noise: -97 dB 22.4 kHz BW, unweighted 1 kHz, 0 dB gain +8dBu output.
– D to A Latency: 0.60 mS.
System
– Sampling Rate: 48 kHz.
– Frequency Response A/D/A: 20 Hz – 20 kHz, ± 0.5 dB.
– Dynamic Range A/D/A: 113 dB, A-weighted.
– Channel Separation A/D/A: 110 dB @ 1 kHz, +24 dBu.
– THD+Noise: -95 dB 22.4 kHz BW, un-weighted 1 kHz @ +15 dBu with 0 dB gain.
– Latency A/D/A: 1.04 mS, inputs routed to outputs.
– Processors: 1 x Analog Devices SHARC 21489 @ 400 MHz SIMD.
– Raw Processing Capacity: 400 MIPS, 1.6 GFLOPS.
– Delay Memory: 174 mono seconds.
– Analog control inputs: 0-3.3 VDC.
– Recommended External Control Potentiometer: 10k Ohm, linear.
– Logic Outputs: Low 0V when active, pulled high 5V when inactive.
– Logic Output Maximum External Power Supply Voltage: 24 VDC.
– Logic Output Maximum External Power Supply Current Sinking: 50 mA.
– Logic Output Maximum Output Current: 10 mA.
– RS-485 Serial I/O: 38.4 kbaud default 8 data bits, 1 stop bit, no parity, no flow control. May be broken out of ARC port.
– Ethernet Cable: Standard CAT5e or CAT6, maximum device-to-device length = 100 meters.
– Dante Cable: Standard CAT6, maximum device-to-device length = 100 meters.
– ARC Cable: Standard CAT5, distance dependent upon load and number of devices. 8 Watts maximum power available.
– Maximum Devices Per System: 80 units per Site File.
– Maximum Stored Presets: 1000.

Mechanical Specifications
– Space Required: Half rack unit WDH: 20.83 cm x 22.86 cm x 4.37 cm / 8.2 in. x 9 in. x 1.72 in. Depth does not include connector allowance. Allow at least 3 inches additional clearance for rear panel connections. Additional depth may be required depending upon your specific wiring and connections.
– Electrical: PoE+ IEEE 802.3at Class 4, 25.5 Watts maximum. No line voltage switching required.
– Ventilation: Maximum recommended ambient operating temperature is 30 C / 86 F. Ensure that the left and right equipment sides are unobstructed 5.08 cm, 2 in minimum clearance. The ventilation should not be impeded by covering the ventilation openings with items such as newspapers, tablecloths, curtains, etc.
– Certifications or Compliance: Safety: UL 60065, cUL 60065, IEC 60065. EMC: “Class A” device applies to all of the following EN 55032, EN 55103-2, EN 61000-3-2, EN 61000-3-3, FCC Part 15, ICES-003. Environmental: RoHS.
– Shipping Weight: 5 lbs. 2.27 kg

System
– Sampling Rate: 48 kHz.
– Frequency Response A/D/A: 20 Hz – 20 kHz, ± 0.5 dB.
– Dynamic Range A/D/A: 113 dB, A-weighted.
– Channel Separation A/D/A: 110 dB @ 1 kHz, +24 dBu.
– THD+Noise: -95 dB 22.4 kHz BW, un-weighted 1 kHz @ +15 dBu with 0 dB gain.
– Latency A/D/A: 1.04 mS, inputs routed to outputs.
– Processors 1 x Analog Devices SHARC 21489 @ 400 MHz SIMD.
– Raw Processing Capacity: 400 MIPS, 1.6 GFLOPS.
– Delay Memory: 174 mono seconds.
– Analog control inputs: 0-3.3 VDC.
– Recommended External Control Potentiometer: 10k Ohm, linear.
– Logic Outputs: Low 0V when active, pulled high 5V when inactive.
– Logic Output Maximum External Power Supply Voltage: 24 VDC.
– Logic Output Maximum External Power Supply Current Sinking: 50 mA.
– Logic Output Maximum Output Current: 10 mA.
– RS-485 Serial I/O: 38.4 kbaud default 8 data bits, 1 stop bit, no parity, no flow control. May be broken out of ARC port.
– Ethernet Cable: Standard CAT5e or CAT6, maximum device-to-device length = 100 meters.
– Dante Cable: Standard CAT6, maximum device-to-device length = 100 meters.
– ARC Cable: Standard CAT5, distance dependent upon load and number of devices. 8 Watts maximum power available.
– Maximum Devices Per System: 80 units per Site File.
– Maximum Stored Presets: 1000.

Architect and Engineer Specifications

The half rack device shall provide four analog mic/line inputs that are adjustable from line to mic level with coarse gain, fine trim and phantom power plus four analog line outputs that are adjustable with fine trim. Levels, phantom powers, signal inversions and mutes shall be controllable via software. Audio connections shall be accessed via rear panel 3.81 mm terminal block connectors.

Network audio expansion shall be provided by a factory installed optional Dante™ card with a capacity of 128 64×64 channels. The connector shall be 1000 Base-T RJ45 utilizing CAT6 cable.

A designer software application shall be provided that operates on a Windows computer, with network interface installed, running Windows® 7 or higher operating system. Computer connection for configuration shall be via the device’s rear panel Ethernet connector. All internal processing shall be digital DSP. Available DSP components shall include but not be limited to various forms of: mixers, equalizers, filters, crossovers, dynamics/ gain controls, routers, delays, remote controls, meters, generators, onboard logic, and diagnostics.

The front panel shall include a white on black 256×64 pixel OLED display and momentary switch. The display shall indicate unit name, IP address, MAC address, Site File version, and fault messages.

External control shall include dedicated software screens as well as preset selection, I/O level control and muting using the optional ARC wall panel remote controls via industry-standard CAT5 cable with RJ45 connectors. A built-in web server shall provide four instances of ARC-WEB, which allows for user control from nearly any web browser or mobile device. Logic I/O shall consist of four contact closure or two potentiometer inputs along with four logic outputs. The logic outputs may be used to drive LEDs directly or control external relays or switchers. All program memory shall be non-volatile and provide program security should power fail. The device shall provide an on board real time clock to facilitate automatic, timed changing of presets and may sync to NTP. Third-party control systems may interface over IP using a published ASCII control protocol.

Audio conversion shall be 24-bit, 48 kHz and internal processing shall be 32-bit or 40-bit floating point, 48 kHz. The dynamic range shall not be lower than 113 dB, A-weighted with a maximum input level of +23 dBu and maximum output level of +24 dBu.

The device shall be powered over Ethernet PoE+ by an IEEE 802.3at Class 4 standard compliant switch, or the included injector. The device Dante port should not be used to power the DSP. The device shall meet UL/CSA and CE safety requirements and comply with CE and FCC Part 15 emissions limits. The device shall be RoHS compliant. The chassis shall be constructed of cold rolled steel, and may be surface mounted or mount into a standard 19” 1U EIA rack using an available bracket or rack tray. The device shall be a Symetrix Prism 4×4.