Question about Sony ECM-DS70P Stereo Recording Microphone Microphone

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Sony ecm 989

This mic produces a lot of noise. Good sound, but there is a lot of steady, soft hiss in the background. My question is this: Is there a way to remedy this? Is that as good as it gets? Is this normal? Should I just throw it on the bone-yard of not-so-good microphones growing against the wall of my basement? Clearly, this was a good microphone at one time.

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This is a wonderful microphone that I used for years without any problems. Then it developed a background noise (a hiss, or buzz, or sound like a bad ground; it's been too long and I don't remember the specific sound now). I checked the integrity of the ground and other wires in the cable and didn't find any problems so I replaced the old cable with a new cable, but I still had the noise.

I use the microphone with the microphone head separated from the microphone body, so I have a cable that runs from the head to the body and a separate cable that runs from the body to my inputs. I don't have either an electrical or logical explanation for why the following solution got rid of my noise, but it worked for me.

On the cable that connects the head to the body, simply take an insulated wire, strip both ends and with electrical tape, tape one bare end to the metal plug shell on one end of the cable and then do the same with the the metal plug shell on the other end of the cable. You can add some tape wraps along the length of the cable so it doesn't look so funky and is a little less cumbersome. I didn't do anything to the cable that runs from the body to the inputs. This got rid of the noise for me. REALLY. THIS IS NOT A JOKE. I DON'T KNOW WHY, BUT IT WORKED FOR ME. Maybe it will also work for you. It's certainly easy enough to try. Good luck. Bob

Posted on Aug 18, 2009

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Posted on Jan 02, 2017

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