Radius NX 4x4¶
Features:
- Inputs: 4 mic/line inputs.
- Outputs: 4 analog line outputs.
- Optional input or output expansion using modular I/O cards such as the 2 Line Analog Telephone Interface.
- A building block in a scalable system design, Radius NX 4x4 is configured using Composer software with over 400 DSP modules.
- Network audio expansion using Dante protocol (when Dante card installed) over standard IT networks. 64 transmit and 64 receive channels. Ultra-low latency.
- Multiple user control options including ARC-WEB browser, low cost ARC wall panels, third party touch panels, and SymVue.
Specifications¶
System¶
Processor: 1 x Analog Devices Griffin ADSP-SC587 dual-core DSP @ 500 MHz
Raw processing capacity: 500 MIPS, 6 GFLOPS, 2 GMACS
Sampling Rate: 48 kHz, ± 100 ppm
Frequency response (A/D/A): 20 Hz – 20 kHz, ± 0.5 dB
Dynamic range (A/D/A): > 114 dB, A-weighted
THD + Noise: < -95 dB (22.4 kHz BW, unweighted); 1 kHz @ +15 dBu with 0 dB gain
Channel separation (A/D/A): > 110 dB @ 1 kHz, +24 dBu
Latency (A/D/A): 1.04 ms, inputs routed to outputs
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/current sinking: 24 VDC / 50 mA
Logic output maximum output current: 10 mA
RS-232 accessory serial I/O: 57.6 kbaud (default), 8 data bits, 1 stop bit, no parity, no flow control wired straight-through, only pins 2, 3, and 5 required
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 CAT5/6, maximum device to device length = 328 feet / 100 meters
Dante Cable: Standard CAT6, maximum device to device length = 328 feet / 100 meters
ARC Cable: Standard CAT5/6, distance dependent upon load and number of devices
Maximum stored presets: 1000
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: +24 dBu
Mic Pre-amp Gain: 0 to 51 dB in 3 dB steps with ± 24 dB digital trim
Mic Pre-amp EIN: < -125 dB with 150 Ohm source impedance, 22.4 kHz BW
Input Impedance: 2k Ohms balanced, 1k Ohms unbalanced
Phantom Power (Per Input): +48 VDC @ 10 mA maximum
Dynamic Range: > 115 dB, A-weighted
THD + Noise: < -100 dB (22.4 kHz BW, unweighted); 1 kHz @ +15 dBu with 0 dB gain.
Latency: 0.28 ms (direct)
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 +8 dBu output
Latency: 0.60 ms
USB Audio I/O (if installed)¶
Connector: One (1) high-retention Type B
Interface: 2.0 with Audio class 1.0 legacy modes
Capacity: 1x1 (echo cancelling speakerphone and non-echo cancelling speakerphone modes) - driverless, 2x2 line I/O mode - driverless, and 8x8 line I/O mode - driver included
Sample Rate: 48 kHz
Bit Depth: 16-bit, speakerphone modes; 16 or 24-bit, line modes
USB Host¶
Connector: One (1) Type A
Interface: 2.0
AEC (if installed)*¶
Number of Channels: Up to sixteen (16) for dual-core module (up to 8 references), up to eight (8) for single-core module (up to 4 references)
Tail Length: 400 ms maximum, dependent on channel and reference count
Convergence Time: >100 dB/S
Latency: 16 ms
Processors: 1 x Analog Devices Griffin ADSP-21584 dual-core DSP @ 500 MHz
Raw processing capacity: 500 MIPS, 6 GFLOPS, 2 GMACS
*Optional coprocessor module required, single-core or dual-core models are available.
Mechanical Data¶
Space Required¶
1U (WDH: 18.91 in. x 9.5 in. x 1.72 in. / 48.02 cm x 24.13 cm x 4.37 cm). 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¶
100-240 VAC, 50/60 Hz, 60 Watts maximum, universal input.
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: EN 55103-1, EN 55103-2, EN55032, EN 61000-3-2, EN 61000-3-3, ICES-003, FCC Part 15 (all Class A)
Environmental: RoHS
Shipping Weight¶
13 lbs. (5.9 kg)
A&E Specifications¶
The device shall provide four analog mic/line inputs that are adjustable from line to mic level with coarse gain, fine trim, phantom power, invert and mute, and four analog line outputs that are adjustable with fine gain and mute. All signal processing, mixing and routing functions (including I/O levels) shall be controllable via software. Audio inputs and outputs shall be accessed via rear panel 3.81 mm terminal block connectors.
An expansion card slot may accommodate either a 2 line VoIP interface card, 2 line analog telephone interface card, 8x8 USB audio I/O card, 4 channel digital input card, 4 channel digital output card, 4 channel mic/line input card, 4 channel AEC input card, 4 channel analog output card, or remain empty.
An internal DSP co-processor module may be installed for additional applications-specific processing such as acoustic echo cancellation (AEC).
A factory installed optional USB 2.0 audio I/O port with class 1.0 legacy modes on a high-retention Type B connection is configurable for up to 8x8 line I/O as well as 2x2 line I/O, 1x1 speakerphone, or 1x1 echo cancelling speakerphone profiles.
A USB 2.0 host port with a Type A connection may be used for audio file playback and/or recording using standard USB flash media.
Network audio expansion shall be provided by a factory installed optional Dante card with a capacity of 128 (64x64) channels. Primary and Secondary Dante network audio connections shall be provided for redundant network implementation. Connectors 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 display and a momentary switch. The display shall provide communications and system status, I/O metering, 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 closures 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 and RS-232 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 115 dB, A-weighted with a maximum input level of +24 dBu and maximum output level of +24 dBu.
The device shall have an IEC power input socket for 120-240 VAC. 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 Galvalume and molded plastic, and mount into a standard 19” 1U EIA rack using detachable rack ears. The device shall be a SymetrixRadius NX 4x4.
Front Panel¶
Navigation Button: A single momentary push button is used to cycle through the Dashboard and System Pages or dismiss a fault notification. A short press scrolls through the menus or dismisses a fault notification and a long press toggles between the Dashboard and System Pages.
Dashboard: Shows either an overview of system parameters or level meters for analog inputs, analog outputs, USB I/O, and expansion card I/O. The overview contains limited information such as IP Address, DHCP Status, and communication LEDs for Ethernet, Dante, and ARC. A short press moves between the overview and input/output meters.
The meters are scaled from -72 dBFS to 0 dBFS. Each segment represents 12 dB. If the signal reaches clipping, the meter will get wider.
The on screen status LEDs display the following information:
-
ARC LED:
-
- Empty oval = No ARC Connected
- Oval with dot in the center = Physical RS485 ARC device is connected (ARC-2e, ARC-K1e, etc.)
- Solid Oval = Flashes when an ARC, physical or virtual (ARC-WEB, ARC-FP, ARC-K1e, etc.), communicates with the device
-
! = Flashes when an ARC is disconnected
-
Network LED:
-
- Empty oval = Nothing connected or no network communication
- Solid oval = Flashes for network communication (often this is so constant it will be solid)
- Oval with dot in the center = Device looking for IP address in DHCP mode
-
! = Ethernet Cable Removed or hardware access code invalid
-
Dante LED (not shown when no Dante Card installed):
-
- Empty oval = Nothing connected or no network communication
- Solid oval = Dante network connected and subscriptions are working
- Oval with dot in the center = Some (but not all) subscriptions are working
- ! = No subscriptions are working
- ! flashing = Dante name conflict where two units found on the network with the same name
System Pages: Contain detailed system information including Device Name, DHCP Status, IP Address, Subnet Mask, Gateway Address, NTP Address, MAC Address, Firmware Version, Motherboard Temperature, Motherboard Minimum Temperature, Motherboard Maximum Temperature, Fan Speed, Expansion Slot contents, Dante Clock Drift, Dante Mode, Dante Device Name, Dante IP Address, Dante MAC Address, Dante Card Software Version, Site File Version, and Site ID.
Faults: Faults are displayed for high temperature, power supply problems, fan failure, and duplicate Dante network names. Faults will “take over” the display regardless of what else is visible. A short press dismisses a fault message. However, if the fault is still occurring, it will be displayed again shortly.
Rear Panel¶
Power: Accepts power from detachable IEC power cable (100-240 VAC, 50-60 Hz, 60 Watts max). Connect only to a grounded power outlet.
ARC: Distributes power and RS-485 data to one or more ARC devices.
A & B Ethernet Ports: 1000 Base-T Ethernet port for Composer host control, and third-party accessory controllers over IP. Features auto-crossover sensing for direct device-to-device connections.
C & D Dante Ports: 1000 Base-T Ethernet port provides 128 (64x64) channels of Dante network audio. Ports do not function without Dante card installed.
USB Host: A USB 2.0 interface with a Type A connection for advanced functionality such as audio file playback from USB media, and multi-track recording to USB media.
USB Audio (if installed): A USB 2.0 audio I/O interface with Class 1.0 legacy profiles on a high-retention Type B connection for interfacing with soft codecs, recording and playback software, etc. on Windows, Mac or Linux platforms.
RS-232: Serial communications interface for a third-party accessory controller. Tx = Transmit or data out, Rx = Receive or data in.
- Port Settings: 57.6 kbaud (default), 8 data bits, 1 stop bit, no parity, no flow control.
Factory Reset Switch: To be used under the supervision of technical support, it has the ability to reset the unit’s network configuration and completely reset the unit to factory defaults.
Logic Outputs: Four (4) logic outputs with four (4) paired common ground pins. Logic Outputs go low (0V) when active and are internally pulled high (5V) when inactive and can drive external LED indicators directly.
External Control Inputs: Two (2) analog control inputs able to be used as 2 potentiometer inputs or as 4 switch inputs (+3.3 VDC reference voltage supplied).
Analog Line Outputs: Four (4) balanced analog line level audio outputs, with individually software-controllable +/- 24 dB of digital trim and mute.
Analog Mic/Line Inputs: Four (4) balanced analog audio inputs, with individually software-controllable pre-amp gain, +/- 24 dB of digital trim, phantom power, signal inversion and mute.
Expansion Card Slot: I/O card slot accepts any of the available cards providing up to 4 channels of local I/O. Refer to individual I/O card data sheets for details.