The AJA 12GDA is a miniature 1×6 reclocking distribution amplifier for 4K/UltraHD single-link 12G-SDI workflows — and SHTS sources it fast, spec’d by a working broadcast engineer who runs this gear in the rack. Single unit or a rack full, quoted quick.
Six separately buffered outputs identical to the recovered input, with automatic input detection, reclocking, and cable equalization for clean 4K/UHD fan-out.
Buying the wrong DA is a classic signal-chain mistake. Here’s the engineer’s short version.
You need 12G. The 12GDA reclocks and equalizes true 12G-SDI, so a single 2160p60 feed fans out to six destinations without dropping lock.
The 3GDA is the right (and cheaper) call — same 1×6 reclocking design for 3G/HD/SD. Don’t overspend on 12G you won’t use.
Standardize on 12GDA where feeds may go 4K, keep 3GDAs on locked-HD paths. We’ll help you map it to your actual signal chain.
Talk to an EIC who has deployed AJA distribution live — so the box matches your workflow the first time.
12GDA backordered elsewhere? We work multiple distributors to keep your build on schedule.
Serving LA, Burbank, Glendale, and Southern California — a real engineer on the phone and fast quotes.
The full AJA line: converters, Ki Pro, FS frame syncs, distribution.
How to spec a distribution amplifier for 4K/UHD.
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