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Post by dcarvak on Dec 27, 2023 13:35:41 GMT -6
I’m hoping someone can help me out with my Sony C38B. Love this mic for my voice. Brought it out today and there’s a very loud hum and the voice sounds pretty dark and just not great. It didn't fall and has been stored safely, so not sure what happened.
Anyone have a suggestion for who could assist with repair? I am located in the US.
Thanks!
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Post by sean on Dec 27, 2023 13:59:58 GMT -6
Preston at PTW Audio has repaired a bunch of these. They often need recapped, when they sound dull and have even lower output than normal is the usual sign. He’s in Nashville www.ptwaudio.com/ |
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ericn
Temp
Balance Engineer
Posts: 16,098 
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Post by ericn on Dec 27, 2023 14:03:19 GMT -6
I’m going to ask what maybe a stupid question but did you try it with a couple of different pre’s and cables?
I only ask because having spent a good portion of my life next to a large service dept. the vast majority of mic hum issues where cable or grounding related.
I would try contacting Dave wheeler, but I’m not sure if he is currently excepting outside repairs.
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Post by dcarvak on Dec 27, 2023 15:41:35 GMT -6
Preston at PTW Audio has repaired a bunch of these. They often need recapped, when they sound dull and have even lower output than normal is the usual sign. He’s in Nashville www.ptwaudio.com/Thanks, I'll be reaching out to him! And yes forgot to mention, the output has lowered quite a bit. |
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Post by dcarvak on Dec 27, 2023 15:42:35 GMT -6
I’m going to ask what maybe a stupid question but did you try it with a couple of different pre’s and cables? I only ask because having spent a good portion of my life next to a large service dept. the vast majority of mic hum issues where cable or grounding related. I would try contacting Dave wheeler, but I’m not sure if he is currently excepting outside repairs. Well it has the built in cable so nothing I can try otherwise there, but yes, ran through several different preamps with the same results. Great I'll look him up thanks! |
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Post by ironinthepath on Dec 28, 2023 13:23:41 GMT -6
If you’re not messing with the capsule (don’t!) it might be worth checking if you can safely open up the mic and check for any loose connections. A bad ground connection could be the culprit if you’re lucky, often solved by a quick solder job. To be fair though, I have zero experience with this mic, it’s quite possible something else is going on (bad capacitors often the next item on my debug search list)
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