At 5:30 PM +0200 9/1/06, Klas Strandberg wrote:
>Rob, - as far as I know, the MKH mic's use much more current than the mic'=
s
>you have tested with the Rolls.
>It might very well be that the Rolls start to generate noise when that hig=
h
>current is being squeezed out of it.
Not my experience at all. I've run phantom
current "hogs" on the Rolls with no performance
loss. He can try alkaline bats though.
>The MT 24/96 works just fine with a phantom powered EM23, but adds a
>terrible noise when connected to a PRO6 handle. Why? It is very difficult
>to find the reason. The noise of a DC-chopper lives it's own life, all ove=
r
>the recorder, and whether it becomes audible or not is more or less a myst=
ery.
>
>Klas.
>
>At 16:47 2006-09-01, you wrote:
>>Scott--
>>Assuming L=3DMid and R=3DSide:
>>
>>1) A mkh30 does have slightly more noise than a mkh 40, but not this
>>much usually.
>>
>>There are three factors to account for: (a) the two mics, (b) the
>>rolls (c) the recorder/settings. Do things like swap around the
>>inputs on the Rolls. Power the Rolls and mics differently if you can.
>>Try the Rolls with other mics if you can. Make sure all the
>>settings/inputs are right on the recorder.
>>
>>2) There is unusual low-end weighting/extra low end emphasis on the EM-32=
's.
>>
>>Its early, but your tests so far suggest to me that something is not
>>right with the recorder or a setting/setting on it. Swap your
>>gear/settings and connections around and see if you can isolate the
>>source of the problem. Rob D.
>>
>>
>>
>>At 11:55 AM +0000 9/1/06, scottsherk27 wrote:
>> >Hi Rob,
>> >Thanks for giving this a listen. I am running MKH's through Rolls
>> >and into mic in of Sony RH10. The EM23's are going directly into mic
>> >in using only PIP. I put new batteries into the Rolls immediately
>> >before running the test.
>> >
>> >I have uploaded an un-normalized or decoded file of the MKH 40/30 and
>> >also the un-normalized file of the EM23's both recorded at the 28
>> >level. They are at the bottom of the group on the page at
>> >
>> >http://tinyurl.com/hx9nq
>> >
>> >One thing that confuses me is that I thought the MKH's were more
>> >sensative than the EM23's being rated at 25mV/Pa's as opposed to 10-
>> >11.5mV/Pa for the EM23. The un-normalized files argue against this.
>> >
>> >Thanks,
>> >Scott
>> >
>> >
>> >--- In Rob Danielson <>
>> >wrote:
>> >>
>> >> Hi Scott- We'll, something odd is going on. Is just the 40/30 pair
>> >> going through through the Rolls and the em-23 running on PIP or are
>> >> both running through the PB224? Sure the batteries are fresh? If
>> >both
>> >> pairs are going through the Rolls, can you upload the M-S 40-30 rec
>> >> level "28" files un-decoded and un-normalized? Rob D.
>> >>
>> >> At 11:07 PM +0000 8/31/06, scottsherk27 wrote:
>> >> >I recently began experimenting with a Sennheiser MKH 30-40 M/S rig=
.
>> >> >I've been running this through the Rolls PB224 and then into a Son=
y
>> >> >RH10 Hi-MD. I seem to be experiencing too much high-end noise,
>> >> >especially compared to what I'm used to with my pair of Telinga
>> >> >EM23's. I've posted some crude test recording on my site. I`ve
>> >> >recorded the same clock with both the EM23's and the MKH's with
>> >gain
>> >> >of 22 and 28 on the RH10. I only normalized the files. I would
>> >> >appreciate an assessment of this high-end noise. Here is the page=
:
>> >> >
>> >> >http://tinyurl.com/hx9nq
>> >> >
>> >> >Thanks,
>> > > >Scott
>> > > >
>>
>>
>>
>>"Microphones are not ears,
>>Loudspeakers are not birds,
>>A listening room is not nature."
>>Klas Strandberg
>>Yahoo! Groups Links
>>
>>
>>
>>
>
>Telinga Microphones, Botarbo,
>S-748 96 Tobo, Sweden.
>Phone & fax int + 295 310 01
>email:
>website: www.telinga.com
> =A0=A0=A0=A0=A0=A0=A0
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>
--
Rob Danielson
Peck School of the Arts
University of Wisconsin-Milwaukee
http://www.uwm.edu/~type/audio-art-tech-gallery/
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