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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Unbal. Line-level to Bal. Mic-level
Hi,
I know this isn't really a repair related question however, I am hoping that someone can help? I am trying to work out the best way of connecting the line-output connection on a mixer to an XLR input on a professional Sony camcorder? Can this be done without a transformer? If so, will the quality be affected? |
#2
Posted to sci.electronics.repair
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Unbal. Line-level to Bal. Mic-level
In article ,
M.Joshi wrote: I know this isn't really a repair related question however, I am hoping that someone can help? I am trying to work out the best way of connecting the line-output connection on a mixer to an XLR input on a professional Sony camcorder? Can this be done without a transformer? If so, will the quality be affected? Normal way is screen pins 1&3. Pin 2 remains 'hot'. If there's phantom power on the input switch it off. Be careful with levels and do some checks. Don't assume that because it's switched to line it can handle a 'full on' line signal. Same with it switched to mic. Most semi pro camcorders have pretty dreadful sound electronics. DigiBeta are usually ok. A decent transformer, of course, is the best solution. -- *If you lived in your car, you'd be home by now * Dave Plowman London SW To e-mail, change noise into sound. |
#3
Posted to sci.electronics.repair
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Unbal. Line-level to Bal. Mic-level
M.Joshi wrote:
Hi, I know this isn't really a repair related question however, I am hoping that someone can help? I am trying to work out the best way of connecting the line-output connection on a mixer to an XLR input on a professional Sony camcorder? Can this be done without a transformer? If so, will the quality be affected? Hi... Would be nice if the Sony had a line input, but if not... You might like to try building an L pad into your "new" xlr connector. Put a 200 ohm resistor across the line out and ground, and 12k or so in series with the line out and one of the mic inputs. This will be quite sensitive to noise, so the cable should be quite short - or you'll have to use a transformer, or at least an H pad... Take care. Ken |
#4
Posted to sci.electronics.repair
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Unbal. Line-level to Bal. Mic-level
M.Joshi wrote:
Hi, I know this isn't really a repair related question however, I am hoping that someone can help? I am trying to work out the best way of connecting the line-output connection on a mixer to an XLR input on a professional Sony camcorder? Can this be done without a transformer? If so, will the quality be affected? It 'can' be done without a transformer, but a decent transformer isolated Direct Injection (DI) box is the proper way to do it.... jak |
#6
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Update:
I made up a two leads; one that had the shield conencted to pin 3 at the RCA end and another without the shield connected at the RCA. On two separate occasions, the lead that did not have the shield conencted at the RCA end caused hum & interference on the camera audio. I wonder why the Van Den Hul website recommends that it is better to leave the shield unconnected? Quote:
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