AJA 3G-AMA 3G-SDI 4-Channel Analog Audio


AJA 3G-AMA 3G-SDI 4-Channel…



AJA 3G-AMA 3G-SDI 4-Channel Analog Audio Embedder/Disembedder Mini-Converter


  • Embed XLR Audio in an SDI Signal
  • Disembed SDI Audio to Analog XLR Audio
  • Works with AJA MiniConfig Software
  • Re-Clocked SDI Output





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AJA 3G-AMA Overview

AJA 3G-AMA 3G-SDI 4-Channel Analog Audio Embedder/Disembedder Mini-Converter

Embed or disembed up to four channels of SDI audio with the AJA 3G-AMA Mini Converter. The 3G-AMA includes a breakout cable which can provide up to four channels of XLR analog audio input or output depending on how the unit is configured. The 3G-AMA can be set up to accept four channels of balanced XLR audio to be embedded in an SDI video feed, or to disembed four channels of digital SDI audio and output them as analog signals via the four XLR output cables. The output SDI signal is re-clocked to preserve the signal integrity over long cable runs.

Setting the 3G-AMA up is made simple with AJA’s free software solution, MiniConfig. The 3G-AMA connects to your computer running MiniConfig with an included USB 2.0 cable enabling your computer to access the unit’s internal programming so you can set it up for your specific workflow.

AJA 3G-AMA Specs

Video Input1 x SDI (BNC):
HD SMPTE 292/296M
3G SMPTE 424/425M
Input Formats3G-SDI:
2048x1080p 23.98/24/25/29.97/30/50/59.94/60
2048x1080psf 23.98/24/25/29.97/30
1920x1080p 23.98/24/25/29.97/30/50/59.94/60
1920x1080psf 23.98/24/25/29.97/30
1920x1080i 25/29.97/30
1280x720p 50/59.94/60HD-SDI:
2048x1080p 23.98/24/25/29.97/30
2048x1080psf 23.98/24/25/29.97/30
1920x1080p 23.98/24/25/29.97/30
1920x1080psf 23.98/24/25/29.97/30
1920x1080i 25/29.97/30
1280x720p 23.98/24/25/29.97/30/50/59.94/60SD-SDI:
Video Output1 x SDI (BNC)
Output FormatsVideo Out is a delayed, reclocked version of Video In, at same frame rate, etc. Video Out is undefined when no input.

Video Latency:
SD-SDI – 17.2 µsec
HD-SDI – 6.3 µsec
3G-SDI level A – 3.2 µsec
3G-SDI level B – 6.1 µsec

Audio I/O1 x DB-25 for 4 channels I/O

DB-25 Breakout cable:
4 x XLR female input breakout connectors
4 x XLR male output breakout connectors

Audio Converters24-bit
Embedded AudioSMPTE 272M (SD): 20-bit, 48 kHz synchronous
SMPTE 299M (3G/HD): 24-bit, 48 kHz synchronous
Incoming embedded audio can be passed, removed, or overridden.
Up to 16 channels supported.
NOTE: 2048x1080p/psf 29.97 and 30 formats support a maximum of 8 channels embedded audio.
Audio LatencyEmbed from audio input:
1100 µsecDisembed from video input:
1200 µsec
Audio Level ControlSettings Configured via MiniConfig 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 ControlsExternal DIP switch
USB port for MiniConfig software application
Power5 to 20 VDC, 5 W
EnvironmentalOperating Temperature: 32 to 104°F / 0 to 40°C
Operating Relative Humidity: 10-90% non-condensing
Operating Altitude: <8,000′ / <2,500 m
Safe Storage Temperature (Power OFF): -40 to 140°F / -40 to 60°C
Dimensions5.8 x 3.1 x 1″ / 147 x 79 x 25 mm
Packaging Info
Package Weight2.69 lb
Box Dimensions (LxWxH)10.2 x 5.65 x 3.8″

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Weight2.69 lbs
Dimensions10.2 × 5.65 × 3.8 in


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