A__line – WAN-Capable Audio-over-IP Nodes

ACCESS AUDIO ANYWHERE

WAN-CAPABLE AUDIO-OVER-IP NODES: BUILT FOR BROADCAST.

Whether in a studio next door, in a machine room rack on the other side of the campus or in a sports arena thousands of miles away — direct, flexible access to audio signals is indispensable for today’s broadcast productions.
With Lawo’s A__line nodes and their pristine sound, their fully standardized SMTPE 2110 audio streaming capabilities and ST2022-7 class C streaming resilience, you are set for any production, from local to global scale.

MANY PORTS. MORE OPTIONS.

Networked, pristine sounding and resilient. A__line nodes are designed to serve as IP audio stageboxes for mc² consoles, audio extensions for the V__matrix ecosystem, or as stand-alone IP audio gateways.
A__line features a compelling mix of audio interfacing options.
The discrete, Class-A microphone preamplifier design delivers a superb dynamic range of 119dB(A), ultra low noise at all gain levels and a perfectly flat frequency response. Versatile analog I/O can accommodate levels as high as +24dBu before clipping.
In an IP world, flexible AES3 audio interfacing is paramount. A__line delivers insertable, precise sample rate conversion for each AES3 input—a real life saver when clock domains need to be bridged. And for multichannel baseband interfacing, A__line features bidirectional redundant MADI access via SFP. A__line nodes are built for mission-critical IP audio conversion. They use the SMPTE 2110-30/31 and AES67 standards to transport uncompressed audio in real-time on Layer-3 IP networks. SMPTE 2022-7 Seamless Protection Switching guarantees AoIP streaming using dual-redundant network interfaces to provide two discrete paths from device to network core. With ample receive buffer capacity to meet 2022-7 class C, LAN and WAN network paths can be connected.
A__line provides true flexibility through a non-blocking routing matrix that allows any input to be routed to any output.
Furthermore, the nodes simplify level control in a networked infrastructure by offering ppm metering for all Analog and AES3 interfaces. Additionally, all A__line nodes feature on-board GPIO (except A__madi 6) as well as PTP/Wordclock sync and conversion. And, of course, they come in a compact and sturdy housing with two redundant power inlets.

Flexible with Ease

A__line provides audio connectivity in distributed locations. It allows to easily adapt to changing I/O requirements and to scale audio I/O capacity in a networked system — temporarily or permanently.
Based on an SMPTE 2110-compliant IP audio backbone, A__line offers a granular audio format selection similar to the flexibility found in baseband modular I/O systems. The same backbone technology furthermore eliminates typical system design limitations like maximum channel count per frame, fixed channel capacity per device interconnect, or fixed overall system size.
Audio endpoints connected to A__line nodes can be seamlessly shared on the local or wide-area network. Thanks to the open, fully standardized streaming technology, interconnectivity to a wide variety of IP-enabled broadcast devices is possible. And it is, of course, brand-agnostic.

In combination with Lawo’s VSM broadcast controller, A__line stageboxes provide an advanced set of networking options. VSM indeed manages A__line’s audio-over-IP connections, I/O settings, internal routing matrix and GPIO for smooth integration into an overarching operational workflow.

SEAMLESS REMOTE PRODUCTION

Lawo’s A__line has been designed to be installed wherever an audio signal needs to be ingested or output. With a built-in 160ms RX buffer per audiochannel and 2022-7 class C redundancy protection, a WAN gateway is natively built into each A__line unit. This ensures seamless access to the audio streams — whether next door or from another continent.

Specifications

General

IP STREAMING

  • Supported protocols: SMTPE 2110-30/31, AES67, RAVENNA
  • Stream Redundancy SMPTE 2022-7 class C (copes with up 150ms redundant path differential)
  • 128 audio RX channels with 128 RX stream receivers. Each RX audio channel features up to 160 ms of jitter buffer
  • 128 audio TX channels in up to 128 TX streams. Stream formats from 1 to 64 channels supported

SYNC

  • Sample rates: 44.1, 48, 88.2, 96kHz
  • IEEE1588 PTPv2 master or slave operation
  • Wordclock master or slave operation
  • PTP <-> Wordclock conversion

SIGNAL PROCESSING

  • Switchable Low-Cut Filter for 40/80Hz
  • PPM metering for all analog and AES3 inputs and outputs
  • 256/256 channel routing matrix

CONTROL & MANAGEMENT

  • HTTP configuration web UI
  • Ember+ control IP interface
  • Integrated with mc²
  • Integrated with VSM

A__stage64

Product Features

Interfaces

  • 32x switchable MIC/LINE inputs on XLR. Support for balanced and unbalanced sources through fl oating analog stage design. Dynamic range of 119dB(A) with maximum input level of +24 dBu
  • 16x Line outputs on XLR. Floating balanced design supports balanced and unbalanced destinations. Max. output level +24dBu
  • 8x AES3 inputs (stereo) on XLR with SRC (input sample rates: 28.4~100kHz)
  • 8x AES3 outputs (stereo) on XLR
  • 2x MADI ports (redundant pair) on SFP
  • 2x Dual Media streaming & control ports (SFP/RJ45 100/1000Base-T Ethernet)
  • 1x Management & control port (RJ45 100/1000 Base-T Ethernet)
  • 1x Wordclock IN on BNC (75Ω)
  • 1x Wordclock Out on BNC (75Ω)
  • 8/8 GPIO opto/CMOS on SUB-D37

Power

  •  2x internal PSU (100~240 Volts)
  • AC Input: (100~240 Volts/2.0~0.8 A)
  • Power Consumption: 125 VA

 

 

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Cooling by temperature-controlled, low-noise fan.
    Forced airflow sideways

 

 

Mechanics

  • DIMENSIONS (H x W x D):177 mm (4 RU) x 481mm (19”) x 230mm (9.05”)
  • WEIGHT: 5.9kg (13 lbs)

A__stage48

Product Features

Interfaces

  • 16x switchable MIC/LINE inputs on SUB-D37. Support for balanced and unbalanced sources through fl oating analog stage design. Dynamic range of 119dB(A) with maximum input level of +24 dBu
  • 16x Line outputs on SUB-D37. Floating balanced design supports balanced and unbalanced destinations. Maximum output level +24 dBu
  • 8x AES3 inputs (stereo) on SUB-D25 with SRC (input sample rates: 28.4~100kHz))
  • 8x AES3 outputs (stereo) on SUB-D25
  • 2x MADI ports (redundant pair) on SFP
  • 2x Dual Media streaming & control ports (SFP/RJ45 100/1000Base-T Ethernet)
  • 1x Management & control port (RJ45 100/1000 Base-T Ethernet)
  • 1x Wordclock IN on BNC (75Ω)
  • 1x Wordclock Out on BNC (75Ω)
  • 8/8 GPIO opto/CMOS on SUB-D37 

 

 

Power

  • 2x Inbuilt PSU (100~240 Volts)
  • AC Input: (100~240 Volts/2.0~0.8 A)
  • Power Consumption: 160 VA

 

 

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Cooling by temperature-controlled, low-noise fan.
    Forced airflow sideways

 

 

Mechanics

  • DIMENSIONS (H x W x D):132.5mm (3 RU) x 481mm (19”) x 230mm (9.05”)
  • WEIGHT: 6 kg (13.2 lbs)

 

 

A__stage80

Product Features

Interfaces

  • 32x switchable MIC/LINE inputs on SUB-D37. Support for balanced and unbalanced sources through fl oating analog stage design. Dynamic range of 119dB(A) with maximum input level of +24 dBu
  • 32x Line outputs on SUB-D37. Floating balanced design supports balanced and unbalanced destinations. Maximum output level +24 dBu
  • 8x AES3 inputs (stereo) on SUB-D25 with SRC (input sample rates: 28.4~100kHz))
  • 8x AES3 outputs (stereo) on SUB-D25
  • 2x MADI ports (redundant pair) on SFP
  • 2x Dual Media streaming & control ports (SFP/RJ45 100/1000Base-T Ethernet)
  • 1x Management & control port (RJ45 100/1000 Base-T Ethernet)
  • 1x Wordclock IN on BNC (75Ω)
  • 1x Wordclock Out on BNC (75Ω)
  • 8/8 GPIO opto/CMOS on SUB-D37

Power

  • 2x Inbuilt PSU (100~240 Volts)
  • AC Input: (100~240 Volts/2.0~0.8 A)
  • Power Consumption: 160 VA

 

 

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Cooling by temperature-controlled, low-noise fan.
    Forced airflow sideways

 

 

Mechanics

  • DIMENSIONS (H x W x D):132.5mm (3 RU) x 481mm (19”) x 230mm (9.05”)
  • WEIGHT: 5.2kg (11.5lbs)

 

 

Specifications

General

IP STREAMING (A__madi 4: per bridge)

  • Supported protocols: SMTPE 2110-30/31, AES67, RAVENNA
  • Stream Redundancy: SMPTE 2022-7 class C (copes with up 150ms redundant path differential)
  • 64 RX audio channels with 64 RX stream receivers. Each RX audio channel supports up to 160ms of jitter buffer
  • 64 TX audio channels in up to 64 TX streams. Streaming formats from 1 through 64 channels supported

SYNC

  • Sample rates: 44.1, 48, 88.2, 96kHz
  • IEEE1588 PTPv2 master or slave operation
  • Wordclock master or slave operation
  • PTP <-> Wordclock conversion

CONTROL & MANAGEMENT

  • HTTP configuration web UI
  • Ember+ control IP interface
  • Integrated with mc² (A__mic8)
  • Integrated with VSM

A__mic8

Product Features

Interfaces

  • 8x switchable MIC/LINE inputs on XLR featuring remotely controlled 79dB gain range, 20dB PAD and +48V phantom power. Support for balanced and unbalanced sources through floating analog stage design. Dynamic Range of 119dB(A) with maximum input level of +24dBu
  • 4x Line outputs on XLR. Floating balanced design supports balanced and unbalanced destinations. Maximum output level: +24dBu
  • 2x RJ45 100/1000Base-T Ethernet ports for streaming and control
  • 1x Wordclock IN on BNC (75Ω)
  • 1x Wordclock Out on BNC (75Ω)
  • 8/8 GPIO opto/CMOS on SUB-D37

Signal Processing

  • Switchable Low-Cut Filter for 40/80Hz
  • PPM metering for all analog inputs and outputs
  • 64/64 channel routing matrix

Power

  • Power-over-Ethernet (PoE) Class 3: 36~57V (Ethernet Port A)
  • DC Input: 10~14V/1.0A
  • Power Consumption 15W

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Fanless passive cooling direction sideways

Mechanics

  • DIMENSIONS (H x W x D): 44mm (1 RU) x 481mm (19”) x 210mm
    (8.27”)
  • WEIGHT: 2.1kg (4.6lbs)

 

 

A__digital64

Product Features

Interfaces

  • 32x AES3 inputs (stereo) on SUB-D25 with SRC (input sample rates:28.4~100kHz)
  • 32x AES3 outputs (stereo) on SUB-D25
  • 2x MADI ports (redundant pair) on SFP
  • 2x Dual Media streaming & control ports (SFP/RJ45 100/1000Base-T Ethernet)
  • 1x Management & control port (RJ45 100/1000Base-T Ethernet)
  • 1x Wordclock IN on BNC (75Ω)
  • 1x Wordclock Out on BNC (75Ω)
  • 8/8 GPIO opto/CMOS on SUB-D37

 

 

Signal Processing

  • Switchable Low-Cut Filter for 40/80Hz
  • PPM metering for all inputs and outputs
  • 256/256 channel routing matrix

Power

  • 2x internal PSU (100-240 Volts)
  • AC Input: (100-240 Volts/2.0-0.8 A)
  • Power Consumption: 100 VA

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Cooling by temperature-controlled, low-noise fan. Forced airflow sideways.

Mechanics

  • DIMENSIONS (H x W x D): 132.5mm (3 RU) x 481mm (19”) x 230mm (9.05”)
  • WEIGHT: 5.2kg (11.5lbs)

 

 

 

A__madi6

Product Features

Interfaces

Three independant MADI bridges, each features:

  • 2x MADI ports on SFP
  • 2x Dual Media RJ45/SFP 100/1000Base-T Ethernet ports for streaming and control
  • 1x Wordclock IN on BNC (75Ω; bridge 1 only)
  • 1x Wordclock Out on BNC (75Ω; bridge 1 only)

 

 

 

Signal Processing

  • Per bridge: 256/256 channel routing matrix

Power

  • 2x internal PSU (100-240 Volts)
  • AC Input: (100-240 Volts/1.2-0.6 A)
  • Power Consumption 30 VA

Environmental

  • OPERATING TEMPERATURE: 0°C~+40°C (+32°F~+104°F)
  • VENTILATION: Cooling by temperature-controlled fan. Forced airflow sideways

 

 

Mechanics

  • DIMENSIONS (H x W x D): 44 mm (1 RU) x 448 mm (19”) x 266 mm (10.4”)
  • WEIGHT: 3.1kg (6.83lbs)

 

 

 

 

Subject to change without prior notice, no responsibility is taken for the correctness of the details provided.

A__LINE IN THE FIELD

Lawo Debuts World’s First AES67 Stream Monitoring Software

Broadcasters using the AES67 AoIP standard in their studios and production facilities finally have an easy way to keep themselves informed about the state of their program streams: Lawo AES67 Stream Monitor, a new software product for Windows® PCs debuting at IBC 2019. read more

Portuguese broadcaster SIC completes Europe’s largest ST2110 facility with Lawo IP technology

Following a technical upgrade of its Lisbon broadcast center with Lawo IP solutions, including V__matrix and VSM, Portugal’s leading private broadcaster SIC (Sociedade Independente de Comunicação, an Impresa company) now boasts Europe’s largest ST2110 facility to date, with data streams traveling several kilometers. read more

China’s CCTV Continues Rapid Advance of IP Broadcasting with Lawo

The largest TV broadcaster in China is now also the country’s first to use Lawo’s flagship mc²96 Grand Production Console – part of China Central Television’s (CCTV) swift and ambitious uptake of 4K/UHD and IP operation. read more

Verizon upgrades to IP with Lawo technology

As part of ongoing upgrades and developments to its studio facilities, Verizon Media – the Verizon digital-media division combining AOL and Yahoo! – has taken delivery of three state-of-the-art mc²36 audio production consoles and a Nova37 Hybrid IP/MADI Plug&Play Audio Router for its studio facilities from German IP broadcast technology pioneer, Lawo. read more

ZKM equips Kubus with IP audio from Lawo

Established in 1989, the Zentrum für Kunst und Medientechnologie | Center for Art and Media (ZKM) aims to “continue the classical arts into the digital age“. read more

Download Lawo's Latest Products PDF

Live from IBC 2019: Stephan Tuerkay, Senior Product Manager Networked Audio, unveils new A__line models for Lawo's line of WAN-capable audio-over-IP nodes. Watch the video!

Live from NAB 2019: Stephan Tuerkay, Senior Product Manager Networked Audio, presents the brand new additions to the A__line series.  Watch the video!