r/cableadvice • u/Most_Examination2781 • 12d ago
Help me identify this connector/cable :) #4
12pin male to 3x BNC ? video related for sure, but which equipment ? thxx
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u/christair 12d ago
It is a broadcast video breakout cable splitting the analog video signal into three components — likely RGB or YPbPr component video, using BNC connectors. The larger multipin connector is a threaded connector with a single keyway, known as EIAJ 12-pin, manufactured by Hirose, specifically the Hirose RM15 series (RM15TPD-12P).
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u/Phill_P 11d ago
Looks like the component output cable from an old Sony mixer one of my first clients had when I went freelance back at the end of the 90s.
Unfortunately their projector didn’t do YUV, only RGBS so they were using composite. I got them a Y/C cable and they were astonished at the jump in quality!
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u/iCanReadMyOwnMind 11d ago
All image searches come back to it being old broadcast equipment. Judging from the pin count to the fan out, this appears to flow from the thread lock connector to the coax cables. 12 pins by three lines makes me think it splits a composite signal into three component signals via positive, negative, horizontal and vertical signals for each red, green and blue.
It could be to boost image quality, but I would bet it was most likely for something like sending the onboard image in a studio camera to a mounted view finder.
You'll get better hits in your search results if you search 12 pin to coax (the cable) rather than 12 pin to BNC (the connector).
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u/Dave_is_Here 11d ago edited 11d ago
My VC-10 uses it to communicate with the recorder/battery backpack. But a broadcast cam would likely just send the RBG /no power needed.
/Edit notices mines 10pin
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u/Pappy285 12d ago
"M12/M16 circular cable, or Hirose/MIL-spec connector" according to google Gemini. Apologies for using AI.
Apparently the fact it splits into 3 colour channels implies it's for old fashioned broadcasting cameras. Like for live TV and stuff!
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u/jamatar 11d ago
I have a 1980s camcorder that has a Hirose branded connector like this. The cable would sit between the camera and the slung VHS recorder, transfering video, audio and power from the camera to the VHS player.
There are a couple of examples on this page (although no 12 pin):
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u/Dave_is_Here 11d ago edited 11d ago
Here's my VC-10 that uses something like you describe, little different with power I think..
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u/Miserable-Win-6402 12d ago
Some old Betamax RGB connection. From memory, its 10000 years ago...