Sennheiser Pro Audio
One Enterprise Drive
Old Lyme, CT 06371
860-434-9190
-jeremiah
On Sun, May 23, 2010 at 11:06 PM, Laloux, Dominique <> wrote:
>
>
> Hi Vicki and Umashankar,
>
> Thanks for your opinion.
>
> I suppose I should have it checked by Sennheiser, then. I hope it is not
> going to be too expensive a repair.
>
> In the meantime, I left the MKH30 powered on for a few hours yesterday,
> and I did not hear the problem afterwards. I turned it off, on again,
> several times, and heard no particular problem... I left it off for the
> night and I'll test it again, under an identical setup later on today.
>
> Thanks.
>
> DL
>
> Vicki
>
> From: <naturerecordists%40yahoogroups.com>
> <naturerecordists%40yahoogroups.com>]
> On Behalf Of vickipowys
> Sent: Monday, May 24, 2010 1:00 AM
> To: <naturerecordists%40yahoogroups.com>
>
> Subject: Re: [Nature Recordists] Problem with a Sennheiser MKH30 - "like
> a growing bubble of static"
>
> Hi Dominique,
>
> I agree with umashankar. I had the same thing happen with a (new)
> MKH20 and it was repaired under warranty.
>
> cheers,
>
> Vicki
>
> On 23/05/2010, at 8:27 PM, umashankar wrote:
>
> > sounds to me like a failing electret capacitor to me, rather than
> > humidity/
> >
> > umashankar
> > i have published my poems. you can read (or buy) at http://
> > stores.lulu.com/umashankar
> >
> >
> >
> >
> > ________________________________
> > From: Rob Danielson < <type%40uwm.edu> <mailto:
> type%40uwm.edu <type%2540uwm.edu>> >
> > To: <naturerecordists%40yahoogroups.com>
> <naturerecordists%40yahoogroups.com<naturerecordists%2540yahoogroups.com>>
>
> > Sent: Sun, May 23, 2010 2:25:25 PM
> > Subject: Re: [Nature Recordists] Problem with a Sennheiser MKH30 -
> > "like a growing bubble of static"
> >
> > Hi DL--
> > Sounds like description of an affect of moisture-- especially if it
> > goes away completely at times. Some conditions will provoke this. If
> > you're curious at what they were this time, you can check local
> > weather resources and see of you can find some charts plotting
> > humidity, temp and the dewpoint at that time. For US locations, a
> > good resource for this is Mesowest http://mesowest.utah.edu/index.html
> >
> > There's considerable discussion about this in the List Archives.
> > Here's a search of "mic moisture" for example
> > http://tinyurl.com/2wfus7m Rob D.
> >
> >
> > At 9:19 AM +0200 5/23/10, Laloux, Dominique wrote:
> >> Hello everyone,
> >>
> >> Can someone reassure me that this problem can be solved ?
> >>
> >> I used one of my 2 Sennheiser MKH30 yesterday in a M/S setup with a
> >> MKH60, recording with my Fostex FR-2LE.
> >> As soon as I pushed the standby button, I started to hear rather
> >> loud statics through the headphones.
> >>
> >> Turned the recorder off, then on again, and the problem repeated
> >> itself. Several times. Turned the phantom power on/off, used a
> >> different set of XLR cables... nothing stopped the problem from
> >> occuring. I tested both mics alone and the problem occured with the
> >> MKH30 only.
> >>
> >> The way it happens can be better described as a growing bubble of
> >> static : the noise starts very low, then it grows louder and louder
> >> for a some time (20-30 seconds or more) and becomes so loud that I
> >> need to turn the volume down to near 0.
> >> At some point, for no obvious reason, it then slowly "shrinks" back
> >> and disappears.
> >>
> >> I decided to try and record our garden soundscape anyway, and I
> >> ended up recording a full 2 hours with the problem repeating 3 times
> >> during the 2 hours. The strange thing is that everything was
> >> perfectly stable for the 2 hours, with no movement, no change in
> >> controls, etc.
> >>
> >> What coud that be ? A defective condenser ?
> >>
> >> Thanks.
> >>
> >> DL
> >
> >
> >
>
>
>
>
--
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jeremiah moore | SOUND |
http://www.jeremiahmoore.com/
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