Hi David--
Great. The more we can correlate info the better.
The gain difference is consistent with the specs,
but the WL93 should require less power according
to the specs (2 volt minimum compared to 5).
The hope is that when you turn up the gain on
your RH-10 to compensate for the wl93's lower
sensitivity, the sound file it produces compared
to that of the 183's, will have less noise due to
the wl93's lower self noise. (18dBA vs 22.5dBA)
(Sorry, I see scrambled that noise spec for the
183 in the first post). We know the noise of the
HiMD pre is low enough to not add noise with the
increased gain. Since the HiMD pre has 75dB
gain, one should be able to compensate for this
~9dB difference most of the time. assuming
everything else checks out.
All you'd need to do is record room room tone
with both mics at full pre gain. Room tone works
well because there's not a lot of Hi Hz content
to mask the "hiss" part of the spectrum where
most of the noticeable noise occurs. Record for
ten minutes and choose the thinnest 5 second
sections.
Another test could be done to see whether the two
mics respond differently to Low Hz transients.
Rob D.
At 7:49 PM +0800 6/15/06, Secomb's wrote:
>Hi all
>I do have both. Just did a quick test in front of the TV with a sony MZ
>RH10 using PIP. The 183 was 6 to 9 dB better than the 93. I remember
>when trying to getting things working about 12 months ago, the 93 draws
>more power using PIP and was surprised it worked with the RH10. I need
>to recheck this but may influence the above results. It is going to be 2
>weeks before I can get a chance to do a side by side comparison. Will be
>interesting what Eric comes up with.
>
>David
>
>Eric Benjamin wrote:
>
>> > Compare:
>> > Shure WL93 Subminiature Omni Condenser Lavalier Microphone
>> > vs.
>> > Shure Lavaliere Omni Condenser Microphones WL-183
>>
>> To make things short, I will. I purchased four (I don't know WHY I did
>> that!) WL93 mics and I will compare them directly to the WL-183
>> microphones. I will make the measurements on both using Shure's in-
>> line preamplifier which is supplied with the MX-183:
>> http://www.shure. com/stellent/ groups/public/ @gms_gmi_
>> web_us/documents /we
>> <m("gms_gmi_web_us/documents/","//www.shure.com/stellent/groups/public/");=">http:=
we>
>> b_resource/us_ pro_mx183_ mx184_mx185_ ug.pdf
>>
>> Eric Benjamin
>>
>>
>>
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>
>
>
>
>
>"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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