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Radius-NX-4x4-FRONT

Digital Signal Processors

Symetrix Programmable DSP, 4 mic/line in, 4 line out, USB audio, 1 I/O card slot, ARC (pieza)


Código: 38-Radius NX 4x4 USB

Radius NX

Two models: Radius NX 4×4 and Radius NX 12×8.

Optional Dante 64×64 Dante module.

Optional AEC coprocessor module – up to 16 channels.

USB audio port enables soft-codecs + record/playback.

Dedicated routing resources for a 128×128 Super Matrix.

4-port Gigabit Switch serves Dante + control networks.

Ultra-low noise preamps with 3 dB gain steps.

Support for Radius and Edge Expansion Cards.

Microsoft Teams Compatible.

 

Two models.  Radius NX 4×4 (4 analog inputs, 4 analog outputs) and Radius NX 12×8 (12 analog inputs, 8 analog outputs). Both feature optional factory installed 64×64 redundant Dante and identical DSP resources. The two differ only in analog I/O, logic output, and external control input capacity. The reduced cost of the 4×4 makes it extremely competitive in applications where many Dante endpoints are routed to a primary DSP and fewer analog connections are required. Models without Dante provide even more accessible DSP pricing for smaller systems.

 

Optional user installed virtualized and scalable AEC coprocessor module.  For conferencing applications the dual-core coprocessor provides up to 16 channels of full bandwidth AEC with unparalleled clarity and intelligibility.

 

USB audio port.  Enables soft-codec conferencing and computer-based multitrack recording or playback.

 

USB host port.  Supports recording, audio media playback, and digital messaging.

 

128×128 Super Matrix.  A Next-generation SHARC Dual-core Processor enables a Composer Super Matrix – placing the burden of large matrices in one core while freeing the second core for general purpose signal processing – making it possible to design very large and complex systems around a single Radius NX. View modes make navigating through large matrices a breeze.

 

Configurable 4-port gigabit switch.  Services both Dante (when installed) and control networks, eliminating or reducing the need for external switches while avoiding 100 Mbit bottlenecks.

 

Ultra-low noise preamps.  Digitally controlled 3 dB steps facilitate precise gain setting resulting in unmatched sound quality.

 

Option card slot.  Accepts all user installed Radius and Edge Expansion Cards, maximizing Radius NX input/output counts or adding special purpose functionality to reduce total system cost.

General Specifications

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.

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.

THD + Noise

< -95 dB (22.4 kHz BW, unweighted); 1 kHz @ +15 dBu with 0 dB gain

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

Models

Radius NX 4x4 USB-B, Radius NX 4x4 Dante + USB-B

AEC (if installed)*

Number of Channels

Dual-core module: For standard conferencing, up to sixteen (16) channels with two (2) references. For mix-minus applications, up to eight (8) channels with eight (8) references. Single-core module: For standard conferencing, up to eight (8) channels with one (1) reference. For mix-minus applications, up to four (4) channels with four (4) references.

Tail Length

400 mS maximum, dependent on channel and reference count

Convergence Rate

Typically > 90dB/sec

Latency

11 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.

Analog Inputs

Connectors

3.81 mm terminal blocks.

Number of inputs

Four (4) switchable balanced mic or line level

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

CMRR

> 50 dB @ 1 kHz, unity gain

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

0.31 mS

Analog Outputs

Connectors

3.81 mm terminal blocks.

Number of outputs

Four (4) balanced line level

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

0.65 mS.

USB Audio I/O

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

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.

Shipping Weight

8.5 lbs. (3.85 kg)

Certifications or Compliance

e 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

Architect & Engineer Specifications : Symetrix Radius NX 4×4

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, 8×8 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 optional internal DSP coprocessor module may be user installed for additional application-specific processing such as acoustic echo cancellation (AEC).

 

A 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 8×8 line I/O as well as 2×2 line I/O, 1×1 speakerphone, or 1×1 echo- cancelling speakerphone profiles.

 

Network audio expansion shall be provided by an optional factory installed Dante Card with a capacity of 128 (64×64) 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 Symetrix Radius NX 4×4.