On May 4, 1:39=A0pm, "Soundhaspriority" <nowh...@[EMAIL PROTECTED]
> wrote:
> "ScottW" <Scott...@[EMAIL PROTECTED]
> wrote in message
>
>
news:df8bf32e-99e6-409d-aab4-4dcdc92bf4dd@[EMAIL PROTECTED]
> On May 4, 12:09 pm, "Soundhaspriority" <nowh...@[EMAIL PROTECTED]
> wrote:
>
> > "ScottW" <Scott...@[EMAIL PROTECTED]
> wrote in message
>
>
>news:d4e6a9c0-3b32-47ef-a763-9eb8da2a76c0@[EMAIL PROTECTED]
> > On May 4, 7:50 am, "Soundhaspriority" <nowh...@[EMAIL PROTECTED]
> wrote:
> [snip]
> >
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> > I won't be the one to know. These days, I'm a laggard.
>
> =A0 So are all the CD player mf'ers it appears.
>
> > From the s/n, it's
> > not at the top of the AKM line. It's about 10 dB below the newest AKM,
> > which
> > claims 123 dB.
>
> =A0Seems to be a bit of a specs war going on. Often the improvement
> isn't in the product but the measurement capability. =A0Test equip and
> setups have their own noise floors. =A0I know the NF measures of our sat
> transceivers improves quite a bit in the RF anechoic chamber.
>
> > BTW, the Cirrus converters have innovated in the
> > antialiasing filter, and received some very favorable comments for it.
> > Basically, they moved away from the brick wall still used by AKM,
going
> > for
> > a much slower rolloff. Check out this table. It'll give you a few more
> > numbers to look
for:http://www.cirrus.com/en/products/pro/techs/T2.html
>
> thanks
>
>
>
> > The Cirrus converters are used in Sound Devices recorders and
Audiofire
> > interfaces, both of which have received exceptional press.
>
> =A0Which audiofire model uses a cirrus DAC? =A0I don't see the DAC
> reference in their spec summary and none of dynamic range specs
> are close to above
> and the comments here on the recorder quality is a bit disturbing.
>
> http://www.zzounds.com/item--PRSINSPIRE
>
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> That's not an AudioFire, and I don't see a DAC reference. =A0
and that's not the page I meant to paste..oh well.
>This is
> Audiofire:http://echoaudio.com=A0I
have the Audiofire 12. Echo use
=A0AKM
> converters in the bus powered units, and Cirrus where AC is available.
=A0=
In
> this
review,http://www.soundonsound.com/sos/oct05/articles/echoaudiofire.h=
tm, the
> Audiofire 12 beat out a Layla 1212M, which presumably uses what were
then
> AKM's best converters, with better s/n. I'm not pu****ng Cirrus, but it
was=
> an interesting opinion.
>
> The converters in the Audiofire 12 are actually bidirectional codecs, so
y=
ou
> wouldn't want to try to match part numbers.
>
> Seehttp://echoaudio.com/Sup****t/FAQ.php#8,
> AK4620A - AudioFire 2, AudioFire 4
The DAC side of that thing isn't that great.
http://www.akm.com/datasheets/ek4620a.pdf
100 db S/N?
I want a DAC...not ADC.
ScottW
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