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V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable
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Topic: V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable (Read 3110 times)
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OFOTD
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V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable
«
on:
July 27, 2010, 06:54:27 PM »
So i'm looking to have cable made that runs out of the AES digital output (XLR) on my V3 to my 744 via its BNC input connection. Using the SPDIF RCA connection out of the V3 is already taken btw.
As I understand it the V3 AES outputs at 110ohm while the BNC AES3 connection on the 744 is 75ohm.
Do I need to have the cable made from 110ohm cable? If so does the 7xx take that signal? Or can I get by with a 75ohm cable?
I found this thread
http://taperssection.com/index.php?topic=84420.0
and unless i'm missing something it is not quite giving me the straightforward answer i'm hoping for?
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tgakidis
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Re: V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable
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Reply #1 on:
July 27, 2010, 07:19:26 PM »
I know a few folks who run aes out of a minime with 75ohm to am RCA connection with no problem. I guess it boils down to the equipment, hit or miss. This link is a good read on the subject.
http://www.rane.com/note149.html
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Re: V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable
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Reply #2 on:
July 31, 2010, 12:33:11 PM »
I am running out of the V3 AES digital output (XLR) to my 722, digital XLR input and I am quite happy with it. 110 ohm cable.
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SmokinJoe
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Re: V3 AES digital out to 7xx BNC digital input 75ohm or 110ohm cable
«
Reply #3 on:
August 09, 2010, 05:10:45 PM »
Ref this other thread as well.
http://taperssection.com/index.php?topic=130522.0
The XLR's on your 744 will take AES3 aka "real balanced AES". The BNC's take "AES3id" aka S/PDIF. So you are in the same boat as the folks referenced in the other thread, who are connecting to an RCA S/PDIF connector. The only difference between their RCA connector and your BNC connector is that it's not likely to come unplugged accidentally. The "right way" to convert AES3 to AES3id (S/PDIF) is to use impedance transformers and voltage dividers. On the other hand a lot of people seem to have made simple cables without doing the proper conversions and it works for them, so it might work for you.
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