Thanks for the info oryoki.
I did find this on youtube:
http://www.youtube.com/watch?v=IHobJi6TTak
Phil
--- In "oryoki2000" <> wrote:
>
> While the R-44, the new four channel recorder from Edirol, has not
> been released in USA, it has arrived in Australia. A fellow using the
> name "Ozpeter" on the Tapers Section forums has posted links to two
> MP3 files that provide insight into the quality of the R-44's preamps.
>
> The first MP3 is inspired by Rob D.'s "ticking clock" examples. The
> second is from a recording studio. I believe the mics used are
> Sennheiser MKH 30 and 40 in a mid-side pair.
>
> First, Ozpeter's report about the recording of the ticking clock:
>
> "What this test does is to attempt to show R-44 preamp noise, or lack
> of, at full preamp gain. I used the Sennheiser MKH mics as it seems
> to be logical to use low noise mics for such a test. [The recording
> is of] a tiny clock about 2 inches from the mics, in a quiet suburban
> bedroom during the day."
>
> Link to file:
> http://www.fileden.com/files/2007/9/22/1451533/R-44%20test.mp3
> or http://tinyurl.com/4fb99o
>
> "The first 20 seconds has the R-44 preamp gain set to -2dB - almost
> the minimum. It's fed from a Sennheiser preamp with its gain knob set
> pretty high.
>
> The next 20 seconds is with the mics connected to the R-44 direct and
> with the preamp gain at its highest level. This bit was with the R-44
> powered by an external battery pack.
>
> Then there's 20 secs with internal batteries.
>
> The last 20 secs with external Edirol-supplied mains supply pack.
>
> Surely with that amount of gain I'd be hearing noise behind the
> ambience if it was significant? But I can't.
>
> Looking at the file using Audition's spectral view, there's a very
> obvious 18kHz tone during the second 20 secs, arising from use of the
> third-party external battery pack - it could have arisen acoustically
> as the battery pack is close to the mics and it contains circuitry to
> supply multiple voltages from the batteries.
>
> But other than that, it looks pretty good to me."
>
> Second, Ozpeter's comments about using the R-44 in a recording studio:
>
> "Tonight I had the chance to try the R-44 in a recording studio. I
> used the same mics and the same levels as I'd recently used for a
> string quartet concert in a church. Then I simply recorded the
> 'silence' in the studio. [I have edited the silence] onto the
> fortissimo ending of one of the quartet pieces (peaks to about -2dB
> below full scale), to simulate the full dynamic range available.
>
> The mics were very low noise Sennheiser MKH series connected direct to
> the R-44, so the test is close to optimum in my view...The limiter was
> not on in this sample, so the dynamics are entirely natural. The only
> thing that was on apart from phantom was the R-44 "MS" effect."
>
> Link to the second MP3 file:
> http://www.fileden.com/files/2007/9/22/1451533/R-44%20dynamc%20range.mp3
> or http://tinyurl.com/4cfeut
>
> Many thanks to Ozpeter for these tests! The original posts can be
> found on page 3 of this thread on the Tapers Section web site.
> http://taperssection.com/index.php/topic,103270.30.html
>
> The Edirol R-44 is expected to arrive at USA retailers in mid-June.
> Dealers are advertising a price of $895.
>
> --oryoki
>
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