Haha, no, I'm not going to download it over night!
It's obvious though, that someone has to take a real grip over this problem=
.
I'm happy that I have been rigid on this point, as it might lead to this
"real grip".
Klas.
At 17:20 2005-04-21, you wrote:
>At 12:29 PM +0200 4/21/05, Klas Strandberg wrote:
> > >
> >>A considerable jump in quality would be to mics with much lower self
> >>noise and high output, if possible . I'm not familiar with all of the
> >>mic options that will run on power in plug (PIP) form your MD mic
> >>input jack or from their own battery power. The EM-23 by Telinga is
> >>one PIP choice and the "ME" series of battery-powered Sennheiser
> >>mics have low noise and high output.
> >
> >I have never connected a EM23 to Plug In Power without getting a low (13=
-14
> >dbA) microphone noise. Never preamp noise!
>
>I'm all ready to accept that self-noise for the MD consumer mic pres
>is <13dBA, believe me! However, every time I test for this though
>with actual mics at our disposal, I'm not able to confirm it. The
>below link is a 9mb (earlier) test you might be able to download
>over-night. After listening to the test, how does one explain the
>better performance of the 183's if the mic pre isn't introducing
>noise for the NT4 with its 17dBA self noise? Shure specs the 183
>with more self noise at 23 dBA.
>
>http://www.uwm.edu/~type/Mic%20Preamps/WR-183_WM-61A_NT-4%5e.mov
>
>To save the movie, use right click and save-as from:
>http://www.uwm.edu/~type/Mic%20Preamps/
>
>I'll be doing some more tests running the same mics through a MD mic
>pre and then an MP2. I have an EM-23 that's wired PIP. If Doug has a
>EM-23 wired phantom that he can send me for this test, that would be
>great! Do you have a sensitivity rating for the EM-23? I'll compare
>the EM-23 to other PIP/bat powered mics. I'll be happy to snail mail
>you all of the tests on a CD. Rob D.
>
>
> >The only time I have got preamp noise with Walkman-type recorders was wi=
th
> >the newer versions of Sharp MD's. I wrote about it here. When using good=
10
> >mm electrets as the Primo EM100, which has a FET-IC, not only a FET, - t=
he
> >plug in power voltage provided by those Sharps go down to some 0,4v and =
the
> >mic output drops 20 db. Then comes the preamp noise, of course.
> >This is a Sharp problem, using the same mic's with Sony works fine.
>
>My tests are with a sony NH-900 HiMD recorder. ~1.8 volts unloaded.
>
> >
> >Klas.
> >
>
>
>
>
>"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:
________________________________________________________________________
________________________________________________________________________
|