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#1
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How to resolve XLR picking up radio stations
An external mic that I'm using on my Zoom H4 mic is picking up radio
stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? |
#2
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
On Sun, 2 Dec 2007 12:14:09 -0800 (PST), Ludwig77
wrote: An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? Swap cables. Is the same mic still picking up? |
#3
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
Ludwig77 wrote:
An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? What model microphones are they, what kind of cables, and how are the cables wired? Are both microphones the same kind? --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#4
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
"Ludwig77" wrote in message ... An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? Repair the cables. |
#5
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
David Morgan (MAMS) wrote:
"Ludwig77" wrote in message ... An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? Repair the cables. 'Several feet away' requiring or '2 or 3 dasiy-chained XLRs' ?!!! Get one good cable for each mic. geoff |
#6
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How to resolve XLR picking up radio stations
Neutrik has a really neat new XLR connector with little surface mount RFI
shunt capacitors built in. |
#7
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
David Morgan (MAMS) wrote:
"Ludwig77" wrote in message ... An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? Repair the cables. Specifically make your mind up and connect pin 1 to plug body on say the female XLR's, it is fine to have the plug body floating in device to device cables, but less fine when using the cables as extenders. Kind regards Peter Larsen |
#8
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How to resolve XLR picking up radio stations
On Dec 2, 10:35 pm, "Skler" wrote:
Neutrik has a really neat new XLR connector with little surface mount RFI shunt capacitors built in. and then use a star quad cable which is built to deal with this(RFI) |
#9
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
Peter Larsen wrote:
David Morgan (MAMS) wrote: "Ludwig77" wrote in message ... An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? Repair the cables. Specifically make your mind up and connect pin 1 to plug body on say the female XLR's, it is fine to have the plug body floating in device to device cables, but less fine when using the cables as extenders. Better still, use a single cable - hell he said it was only "a couple of feet" ! geoff |
#10
Posted to rec.audio.pro
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How to resolve XLR picking up radio stations
On Sun, 2 Dec 2007 12:14:09 -0800 (PST), Ludwig77
wrote: An external mic that I'm using on my Zoom H4 mic is picking up radio stations. I'm using two external mics. Only one of these two mics is picking up the stations. Both mics are several feet away requiring me to use 2 or 3 XLR cables in connection together. Both mics are the same distance but only one of the pair is picking up the stations. Any suggestions to fix this? One needs here to understand why it is so easy to pick up radio stations.. Remember ... (if your old enough) the crystal set. Or look up its principals on the net.. The crystal set is a diode..and a length of wire..(coil sometimes) If the length of wire is tuned to the same frequency of a source of rf energy the diode will decode the audio riding on this carrier signal and the amplifier in your board or amp will do its normal thing. Getting rid of the tuned length is one way to get rid of the problem but..making sure the two conductors carrying the original signal required, is well shielded from outside sources is a better way. I see lots of cheap (poorly shielded) audio cables on the market these days. So even though the ground is there with a continuity checker..a very strong ref signal at the right frequency for the length of wire, may get enough signal in to be a problem. Cheers Marv CET AES TRCC PTCC |
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