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Re: question about new Olympus LS-100 purchase

Subject: Re: question about new Olympus LS-100 purchase
From: "Simon Bennett" chook1303
Date: Thu May 31, 2012 1:34 pm ((PDT))

I am sitting here with headphones on monitoring my LS-100 as it records and
I can't perceive any delay as I tap the inbuilt-mic. Also tried xlr mic and
96khz and still no delay apparent to me.


On Wed, May 30, 2012 at 8:08 PM, Jez <> wrote:

> **
> i've been doing a fair bit of research on various hand held recorders
> recently - partly beacuse I tutor on field recording courses & folks of
> course have different needs & indeed budgets so I try to keep up to date,
> but also a friend has been looking for one & so i've been getting to grip=
> with the newer models.
> What I can say is that below say =A3400 the LS-100 comes out at the top o=
> the field on various points alongside the DR-100mkII & the Roland R-26.
> One things to watch though is that there's a 0.2 second delay on
> monitoring live sound - this is a problem imo & something they really
> should sort out with a firmware update. I've spoken to Olympus but the UK
> folks didn't even know about it & expressed no interest in looking into i=
> further.
> --- In  "Raimund" <>
> wrote:
> >
> > Hi Jon,
> >
> > Except noted otherwise, all the noise measurements at
> where taken at the maximum gain
> setting available on each recorder. So, the -125 dBu(A) value for the
> LS-100 also applies to its maximum gain setting (which is quantified by t=
> -48 dBu clipping level on the table).
> >
> > The LS-100 provides a slightly higher sensitivity (gain) than the Foste=
> FR-2LE (-48 dBu vs.-45 dBu).
> >
> > The 1 dB difference between the noise floors of the two recorders in
> combination with the KU-81 should be inaudible because the overall
> (comboned) noise floor difference will be only 0.13 dB (the two noise
> voltages add geometrically). So, there is no reason to care about that ti=
> difference.
> >
> > Regards,
> > Raimund
> >
> > --- In  "Jon M." <tanyet@> wrote:
> > >
> > > Hi everyone,
> > >
> > > I've been trying to learn as much as I can about nature recording the
> past couple of years and I'm on the verge of a new purchase that I wanted
> to ask you guys about.
> > >
> > > I was able to purchase a Neumann KU-81 dummy head at a reasonable
> price awhile ago and I paired it with the Fostex FR2LE because my budget
> went mostly to the KU-81 and I couldn't afford the sound devices gear. I'=
> been fairly happy with the Fostex but I have a few issues with it that is
> making it difficult to keep. The main issue is that I don't think it real=
> has enough gain for my tastes. I don't like the preamp section (the trim
> knobs and the recording level) and the overall workflow is starting to ge=
> on my nerves. It is extremely quiet for the price though.
> > >
> > > I tried in vain to find a used sound devices 702 for a decent price
> but I haven't been able to do so. This led me to take another look at the
> lower end recorders. The olympus ls-100 seems to be the one I keep going
> back to. Here is my question.
> > >
> > > The ku-81's mics have a self noise rating of 16 db and a sensitivity
> of 10 mv/pa. This means I would need a preamp with at least an EIN of
> -126dBu for it to not introduce added noise. According to Raimund, the
> preamps in ls-100 have an EIN of -125dBu a-weighted. I'm not sure at what
> sensitivity level that measurement was taken at though.
> > >
> > > With my current setup I realize I would gain 1 db of added noise at
> max gain but I was wondering if this was a real world concern or just
> numbers. Would I really notice that much of a difference with mics with a
> self noise of 12 to 16 db? Also, what are the gain numbers with the ls-10=
> > >
> > > Any replies would be greatly appreciated. I've learned a lot from
> group and hope to continue to do so.
> > >
> > > Jon
> > >
> >

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