Taperssection.com

Gear / Technical Help => Microphones & Setup => Topic started by: bhtoque on January 24, 2007, 03:39:38 AM

Title: MG Service?
Post by: bhtoque on January 24, 2007, 03:39:38 AM

Anybody have contact info for having service done on gefell mics?

Need to get my 21 caps looked at.

JAson

Title: Re: MG Service?
Post by: bhtoque on January 24, 2007, 11:03:37 PM

It's a mystery to me what happend. Stored in their own box, in my room with everything else. They were unused for a couple months and all of a sudden one is 10db hotter than the other.

I sent a message through the website, and got a message back from Paul Blake at Cabletek in Canada (www.radialeng.com (http://www.radialeng.com)) He will take a look at them, but has no body to work with so I'd have to send him one of mine, which means no MG's for at least a month. I hardly ever use the hypers and don't want to be unable to use the cards and omnis for that long.

I was hoping someone else from team MG had gotten some state-side service, and could point me in the right direction.

JAson

Title: Re: MG Service?
Post by: JasonSobel on January 25, 2007, 07:41:09 AM

Jason - I wonder if one of your caps got zapped by static electricity?
(see http://taperssection.com/index.php/topic,78025.0.html (http://taperssection.com/index.php/topic,78025.0.html))
it sounds like the caps were not attached to the body, and the gefell caps do use a FET, which, according to Chris, is the conditions that may put a mic cap at risk for static electricity.  I really don't know if that's what happened to you, but I can't think of what else it would be.  ???

let us know how it all works out...

Title: Re: MG Service?
Post by: JasonSobel on January 25, 2007, 08:54:26 AM

Quote from: Freelunch on January 25, 2007, 08:48:10 AM

You sure about the FET, Jason?  I didn't think there was one in those caps.

from the gefell website:
http://www.gefell-mics.com/ (http://www.gefell-mics.com/)

the whole category of mics for the m200's and the m300's is titled:
"Small Gold Diaphragm FET Microphones"

I guess maybe the FET is in the mic body and not the mic capsule.  I don't really know for sure.  but that's what I was basing my statement on.

Title: Re: MG Service?
Post by: Sanjay on January 25, 2007, 10:30:19 AM

I don't think that there is a FET in MG caps, Neumann caps, or CK6x Caps.  Hence why building an active box for them is such a huge PITA. 

I'd be willing to bet its something much more physical that went wrong.  Some moisture, a bent or tarnished contact pin, bent diaphram.

Title: Re: MG Service?
Post by: bhtoque on January 25, 2007, 11:40:27 PM

I have no idea what caused it, and why it only happened to one of them is a bigger mystery.

JAson

Title: Re: MG Service?
Post by: bhtoque on January 27, 2007, 06:41:17 AM

Thanks for the info guys.

I doubt it's humidity related, as they are stored in a room that has a dehumidifier.

JAson