Symetrix Radius NX 4x4 USB-B (non-Dante) Programmable DSP, 4 mic/line in, 4 line out, USB audio, 1 I/O card slot, ARC
Vendor: Symetrix
Available
Symetrix Radius NX 4x4 USB-B (non-Dante) Programmable DSP, 4 mic/line in, 4 line out, USB audio, 1 I/O card slot, ARC
The Radius NX 4×4 is a powerful solution for installed applications that demand flexibility, high processing power, and exceptional audio quality. It offers 4 analog mic/line inputs, 4 analog outputs, support for up to 8×8 channels of USB audio, a flexible audio card slot, and optional 128 (64×64) channels of redundant Dante networked audio. While it shares the same DSP resources as the Radius NX 12×8, the two models differ in their analog I/O, logic output, and external control input capacity. Additionally, an optional AEC coprocessor is available, providing up to 16 channels of full-bandwidth acoustic echo cancellation.
Features
- Next-generation SHARC dual-core processor
- Optional 128 (64×64) redundant Dante channels
- Configurable 4-port Gigabit switch
- Ultra-low noise preamps
- Digitally-controlled 3 dB gain steps
- Expansion card slot
| Specification | Detail |
|---|---|
| Processor | 1 x Analog Devices Griffin ADSP-SC587 dualcore 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 (0 V) when active, pulled high (5 V) when inactive |
| Logic Output Maximum External Power Supply / 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 straightthrough, 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 ft / 100 m |
| Dante Cable | Standard CAT5/6, maximum device to device length = 328 ft / 100 m |
| ARC Cable | Standard CAT5/6, distance dependent upon load and number of devices |
| Maximum Stored Presets | 1,000 |
Analog Inputs and Outputs
| Specification | Detail |
|---|---|
| Number of Analog Inputs | Four (4) switchable balanced mic or line level |
| Analog Input Connectors | 3.81 mm terminal blocks |
| Nominal Analog Input Level | +4 dBu |
| Analog Input Maximum Level | +24 dBu |
| Analog Mic Pre-amp Gain | 0 to 51 dB in 3 dB steps with ± 24 dB digital trim |
| Analog Mic Pre-amp EIN | < -125 dB with 150 Ohm source impedance, 22.4 kHz BW |
| Analog Input Impedance | 2k Ohms balanced, 1k Ohms unbalanced |
| Analog Phantom Power (per input) | +48 VDC @ 10 mA maximum |
| Analog Input Dynamic Range | >115 dB, A-weighted |
| Analog Input THD + Noise | < -100 dB (22.4 kHz BW, unweighted); 1 kHz @ +15 dBu with 0 dB gain |
| Analog Input Latency | 0.31 mS |
| Number of Analog Outputs | Four (4) balanced line level |
| Analog Output Connectors | 3.81 mm terminal blocks |
| Nominal Analog Output Level | +4 dBu with 20 dB of headroom |
| Analog Output Level Maximum | +24 dBu (+22.8 dBu into a 2k Ohm minimum load) |
| Analog Output Impedance | 300 Ohms balanced, 150 Ohms unbalanced |
| Analog Output Dynamic Range | 117 dB, A-weighted |
| Analog Output THD + Noise | < -97 dB (22.4 kHz BW, unweighted); 1 kHz, 0 dB gain +8 dBu output |
| Analog Output Latency | 0.65 mS |
USB Audio Inputs and Outputs
| Specification | Detail |
|---|---|
| USB Audio Connector | One (1) high-retention Type B |
| USB Audio Capacity | 1×1 (echo cancelling speakerphone and non-echo cancelling speakerphone modes) – driverless, 2×2 line I/O mode – driverless, and 8×8 line I/O mode – driver included |
| USB Audio Sample Rate | 48 kHz |
| USB Audio Bit Depth | 16-bit, speakerphone modes; 16 or 24-bit, line modes |
AEC (Optional coprocessor required. Single- and dual-core available.)
| Specification | Detail |
|---|---|
| AEC 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) |
| AEC Tail Length | 400 ms maximum, dependent on channel and reference count |
| AEC Convergence Rate | Typically > 90 dB/sec |
| AEC Latency | 16 mS |
| AEC Processors | 1 x Analog Devices Griffin ADSP-21584 dualcore DSP @ 500 MHz |
| AEC Raw Processing Capacity | 500 MIPS, 6 GFLOPS, 2 GMACS |
Mechanical Specifications
| Specification | Detail |
|---|---|
| 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 | 13 lbs (5.9 kg) |
| Certifications and Compliance | Safety: UL 62368-1, cUL 62368-1, IEC 62368-1; EMC: EN 55103-1, EN 55103-2, EN55032, EN 61000-3-2, EN 61000-3-3, ICES-003, FCC Part 15 (all Class A); UKCA; EAC; Environmental: RoHS |
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