UPC/EAN #850032705202     MPN #10873    

$17995.00 (Demo)

Save $3420.00, New $21415.00
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8-16 channel true diversity receiver with 470-1525MHz SpectraBand

The future of wireless
Meet the half-rack receiver with an entire rack's worth of features. The next-generation A20-Nexus is expandable from 8 channels up to 16 channels with software licenses and features forward-thinking technologies like SpectraBand, the powerful NexLink remote-control link, real time spectrum analysis, and more. With multiple options for audio outputs, powering, and remote control, the A20-Nexus can seamlessly adapt to your workflow, both now and in the future.

SpectraBand technology delivers a tuning range of 470 - 1525 MHz in a single unit - an industry first. Experience ultimate flexibility as you find open spectrum away from the crowded UHF TV band. The included A20-Monarch antennas can receive the entire 470-1525 MHz range, keeping your kit small and tidy.

Control your A20-Mini transmitter using the built-in long range remote control link. NexLink's advanced long distance modulation reaches even farther than the A20-Mini's long-range audio transmission.

Network away
You've got options. Configure your A20-Nexus for Dante audio, use the built-in web server to control the receiver using the web browser on any computer, tablet, or phone, and even power the A20-Nexus remotely using Power-over-Ethernet (PoE).

Real time spectrum analysis
The days of waiting for a frequency scan to complete are over. Instantly visualize the fluctuating RF spectrum around you in real time - while running all channels of the audio.

With the A20-Mini's GainForward Architecture, easily set the Mini's gain, low-cut, and limiter directly on your A20-Nexus or mixer-recorder. This immediate, local control of gain means never having to adjust the gain on the transmitter again.

Go cableless
Thanks to its half-rack size, the A20-Nexus is equally at home in a rack, in a bag, or docked to an 8-Series mixer recorder for a cableless kit.

Long range
The A20-Nexus and A20-Mini deliver the longest transmission distance of any system on the market. The state-of-the-art, 100% digital long-range modulation offers the same great audio quality (10 Hz - 20 kHz) as our Standard modulation scheme with a longer range for both line-of-sight and heavy multipath transmission.

Shoot for the stars
The A20-Nexus joins the growing lineup of Sound Devices Astral wireless products. With industry-leading features like SpectraBand, GainForward, NexLink, long range modulation, real time spectrum analysis, and more, the Astral Series pushes the bounds of wireless audio.
  • 8-channel ultra-high-performance, true-diversity receivers in a 1/2 rack size (8.0" x 6.6" x 1.6"). ?
  • Expandable to 12- or 16-channels via software license (coming soon). ?
  • 470 MHz - 1525 MHz tuning range via SpectraBand Technology. ?
  • NexLink: integrated, long distance remote control of all wireless transmitters ?
  • Dante audio-over-IP of RF receiver audio. ?
  • Flexible powering: via PoE+, DC input, 8-Series, or AC mains (with optional adapter). ?
  • Web App control from browser on any computer, smartphone or tablet. ?
  • Full remote operation capability: Power via PoE, audio via Dante, control via Web App. ?
  • Dual DB-25 connectors for 16 channels of mic, line, or AES outputs ?
  • 16 channels of Dante audio-over-IP output to DB25 connectors on the back panel. ?
  • Wide, 6.2" color OLED array with touch for control and monitoring. ?
  • Integrated Real Time Spectrum Analyzer (RTSA) and scanning for intuitive frequency coordination. ?
  • Optical Fiber Network option via SFP slot. SFP accepts a wide variety of modular network transceivers. ?
  • A20-QuickDock allows docking and undocking in seconds from 8-Series mixer-recorders with no tools. ?
  • Supports GainForward Architecture: No gain setting on the A20-Mini transmitter. Adjust gain at the receiver or mixer. ?
  • 100% digital long-range modulation delivers the longest transmission distance of any system on the market. ?Excellent audio quality, full 10 Hz - 20 kHz audio bandwidth. ?
  • RF SAW filters for excellent rejection of interference from nearby IFB or camera hop transmitters. ?
  • BNC timecode input for auto timecode sync of transmitters over NexLink
  • Patents: The A20-Nexus is protected by US patents US10678294B2, US20190166523A1, International patent WO2018022209A1, and several patents pending.

  • Tuning
  • 470 to 1525 MHz (1055 MHz switching bandwidth)
  • 25 kHz steps
  • SpectraBand Technology for maximum rejection of out-of-band signals
  • Available frequencies depend on country of operation
  • Modulation
  • Proprietary, 100% digital RF modulation
  • Standard or Long Range, selectable per channel
  • Spurious Rejection
  • >100 dB typical
  • Cascade output
  • 50 ohm
  • 3 dB Insertion Loss from front BNC through rear BNC: It is recommended to use an external powered antenna to overcome the 3 dB splitting loss in the Nexus so that the receivers maintain excellent range.
  • Wideband power split, pre-LNA
  • RF Bias output
  • 12V, 200 mA each BNC
  • Smart antenna support, Wisycom-compatible

  • Audio
  • Latency
  • Standard modulation = 2 ms, analog or digital outputs
  • Long Range modulation = 3.9 ms, analog or digital outputs
  • Audio Frequency Response
  • 10 Hz-20 kHz, +/- 1 dB relative to 1 kHz
  • Dynamic Range
  • > 130 dB with A20-Mini as transmitter
  • Output Level
  • Line-level: +20 dBu for 0 dBFS
  • Mic-level: -20 dBu for 0 dBFS
  • Digital Audio Output
  • AES3 balanced connection, 110 ohm output impedance

  • Powering
  • Sources
  • DC Input: dual, redundant
  • PoE+: 802.3at, 30W needed (standard 15W PoE 802.3af will not work)
  • 8-Series (through unit-to-unit connector when docked)
  • AC mains adapter (sold separately)
  • Levels
  • DC input, 10 to 18V in, 2A min
  • 10 W idle, default configuration
  • Extra power passed through for USB power, active antenna power, and DC output power
  • USB-A: 5V, 500 mA output; supports keyboards, thumb drives, A20-Mini transmitters, and USB hubs

  • Environmental
  • Operating Temperature Range
  • -10 °C to +55 °C

  • Dimensions(H x W x D)
  • 4.0 cm x 20.3 cm x 16.7 cm
  • (1.6 in x 8.0 in 6.6 in)

  • Weight
  • 1.27 kg (unpackaged)
  • 2.8 lbs (unpackaged)

  • Whats in the Box
  • 2 x A20-Monarch SpectraBand antennas
  • 2 x Articulating arm with clamp and 1/4-20 thread mount
  • 2 x 30in/75cm BNC - BNC cable
  • 2 x 2.4GHz SMA Tilting antenna
  • 2 x NexLink side mounting brackets with SMA to SMA cable
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