AJA 12G-AMA-R-ST 12G-SDI 4-Ch Audio Embedder/Disembedder Converter, ST Fiber Rx
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AJA 12G-AMA-R-ST 12G-SDI 4-Channel Analog Balanced Audio Embedder/Disembedder Mini-Converter with Single ST Fiber Receiver

SKU: AJA12GAMARST MFR: 12G-AMA-R-ST
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Key Features

  • Capture pristine audio with balanced analog embedding/disembedding for superior sound.
  • Enjoy stable streaming with low latency, ensuring real-time audio and video synchronization.
  • Seamlessly convert 12G-SDI signals with this mini-converter, simplifying your workflow.
  • Achieve high resolution video capture up to 4K/UltraHD for professional-grade quality.
  • Benefit from easy setup and broad compatibility with various video formats and devices.
  • Utilize the ST fiber receiver for robust, long-distance video and audio transmission.
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Special Order?Estimated to Ship: 09/09/2025
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AJA 12G-AMA-R-ST Specifications

  • Video Formats

    4K: 4096x2160p 23.98, 24, 25, 29.97, 30, 50, 59.94, 60
    UltraHD: 3840x2160p 23.98, 24, 25, 29.97, 30, 50, 59.94, 60
    2K: 2048x1080p 50, 59.94, 60
    HD: 1920x1080p 23.98, 24, 25, 29.97, 30, 50, 59.94, 60
    HD: 1920x1080i 50, 59.94, 60
    HD: 1280x720p 50, 59.94, 60
    SD: 625i 50
    SD: 525i 59.94
    RGB and YCbCr, 4:4:4/4:2:2, 10-bit

    (1280x720p is Level A Only)

  • Video Input Digital

    1x 12G-SDI BNC, SMPTE 259/292/424/2081/2082
    Single Link SD/HD/2K/UltraHD/4K
    Single Link 3G-SDI Level A, B-DL, or B-DS, SMPTE 425

  • Fiber Input

    1x 12G-SDI Fiber ST connector, SMPTE 297/259/292/424/2081/2082
    Wavelength: Rx 1260 nm (min), 1620 nm (max)
    Optical Sensitivity: -10 dBm (min 12 Gbps), -14 dBm (min 3 Gbps)
    Overload Power: -2 dBm (min)

  • Video Output Digital

    1x 12G-SDI BNC, SMPTE 259/292/424/2081/2082
    Single Link SD/HD/2K/UltraHD/4K
    Single Link 3G-SDI Level A, B-DL, or B-DS, SMPTE 425

  • Cable Equalization

    (Belden 1694A coax)
    12 Gbps, 65m
    6 Gbps, 125m
    3 Gbps, 190m
    1.5 Gbps, 200m
    270 Mbps, 405m

  • Audio Inputs and Outputs

    Balanced Analog Audio, 1x 25 pin D female connector on the converter, 4-channels in, 4-channels out

    Breakout cable provided with 1x 25 pin D male connector:
    4x XLR female input breakout connectors
    4x XLR male output breakout connectors

  • Digital Audio Converters

    24-bit

  • Embedded Audio

    SMPTE 272M (SD): 20-bit, 48 kHz synchronous
    SMPTE 299M (12G/6G/3G/1.5G): 24-bit, 48 kHz synchronous
    Incoming embedded audio can be passed, removed, or overridden
    Up to 16 channels supported
    (2048x1080p/PsF 29.97 and 30 formats support a maximum of 8-channels embedded audio.)

  • Audio Latency

    Embed Path 1100 microsec
    Disembed Path 1200 microsec

  • Analog Audio Levels

    Configured via Mini-Config software:
    Pro 1: 0 dBfs = +24 dBu
    Pro 2: 0 dBfs = +18 dBu
    Pro 3: 0 dBfs = +15 dBu
    Consumer 1: 0 dBfs = +12 dBu

  • User Interface

    External DIP switch
    USB port used with Mini-Config software application to configure the device via PC/Mac

  • Power

    +5-16VDC, 10 watts. power supply required, included with purchase

  • Environment

    Safe Operating Temperature: 32 to 104 F (0 to 40 C)
    Safe Storage Temperature (Power OFF): -40 to 140 F (-40 to 60 C)
    Operating Relative Humidity: 10-90% noncondensing
    Operating Altitude: <3,000 meters (<10,000 feet)

  • Dimensions (W x D x H)

    5.8 x 3.1 x 1" (147.32 x 78.74 x 25.4mm)

  • Weight

    0.6 lbs (0.3kg)

  • UPC Code

    812321032246

About AJA 12G-AMA-R-ST

After extensive research, we present the 12G-AMA-R-ST 12G-SDI 4-Channel Analog Balanced Audio Embedder/Disembedder Mini-Converter with Single ST Fiber Receiver. This high-performance device is equipped with USB and Mini-Config support, making it compatible with AJA's free Mini-Config software. This software, usable with any USB-enabled AJA Mini-Converter, offers a user-friendly graphical interface that provides comprehensive information about the current input and output formats.

This Mini-Converter allows you to control all parameters of any supported AJA Mini-Converter, and it also facilitates the loading of firmware updates from AJA. These updates introduce new features and enhance functionality, ensuring your device stays up-to-date with the latest technological advancements.

The 12G-AMA-R-ST 12G-SDI 4-Channel Analog Balanced Audio Embedder/Disembedder Mini-Converter comes with a universal power supply, complete with international plug connections. This makes it a perfect companion for professionals who frequently travel around the world.

Designed with portability in mind, this AJA Mini-Converter is compact enough to fit behind a monitor, in the back of a rack, or directly on a camera rig. It features a locking power connector to prevent accidental disconnections, and an optional P-TAP power cable for battery power in remote locations.

To further enhance your user experience, information on the complete line of AJA Mini-Converters is available through the AJA Mini-Matrix mobile app on iOS. This app helps you find the right converter for any situation, wherever you are. Each product listed in the app has links back to the main AJA website for more detailed information. You can also email product information directly from the app. The free AJA Mini-Matrix app for iPad and iPhone is readily available in the Apple iTunes Store.

In summary, the 12G-AMA-R-ST 12G-SDI 4-Channel Analog Balanced Audio Embedder/Disembedder Mini-Converter with Single ST Fiber Receiver is a versatile, portable, and high-performing device that meets the needs of professionals in the audio and video industry.

AJA 12G-AMA-R-ST Features

  • 12G-SDI Input and Output up to 4K/UltraHD
  • 4-channel balanced audio Embedder/Disembedder
  • Ships with a Fiber ST single channel SFP Receiver for extending 4K/UltraHD signals over long distances
  • Audio Disembedding is always functional with four Analog outputs
  • Audio Embedding is user selectable on a channel pair basis, to either pass 12G-SDI input audio or embed input analog audio
  • Selectable Analog audio levels
  • Automatically detects and configures the input video standard
  • Small form factor allows for a wide variety of installation locations
  • Supplied XLR breakout cable offers 4-channels In and 4-channels Out for a total of eight XLR connectors
  • USB connectivity via AJA Mini-Config software
  • Dipswitch configuration
  • +5-16 VDC Power

Warranty Information

This product has a limited warranty of 60 months.

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Key Features

  • Capture pristine audio with balanced analog embedding/disembedding for superior sound.
  • Enjoy stable streaming with low latency, ensuring real-time audio and video synchronization.
  • Seamlessly convert 12G-SDI signals with this mini-converter, simplifying your workflow.
  • Achieve high resolution video capture up to 4K/UltraHD for professional-grade quality.
  • Benefit from easy setup and broad compatibility with various video formats and devices.
  • Utilize the ST fiber receiver for robust, long-distance video and audio transmission.

What's in the box:

  • 12G-AMA-R-ST 12G-SDI 4-Channel Analog Balanced Audio Embedder/Disembedder Mini-Converter with Single ST Fiber Receiver
  • Breakout Cable
  • DWP-U-R1 Universal Power Supply
  • AJA 5 Year Limited Warranty