On 18/08/2010, at 12:43 PM, Rob Danielson wrote:
>
> Hi--
> An opportunity for interested ears:
>
> As he pondered which professional audio recorder to purchase for his
> surround recording needs using AT4022's mics, Emil Klotzsch conducted
> several comparison tests this summer including a Sound Devices 702
> recorder (same mic pre as the 744T) and a Tascam DR680. I compiled
> one of these tests into a 3.5 mb QuickTime movie which you can
> download and play on your computer with QuickTime or a QuickTime
> compatible player: http://tinyurl.com/2flkpjk
>
> Maximum pre gain was used on both recorders. There were a few
> environmental sounds Emil was unable to eliminate in his urban
> located studio. Both recorders were operated on battery power for the
> test. Rob D.
Hi Rob,
These "tik tok" tests are fine for assessing relative self-noise, but I am =
extremely skeptical about how much of value can be derived from this kind o=
f test in regards to other aspects of performance. As I said to Myles, once=
you have a preamp sufficiently quite not to degrade mic performance self-n=
oise becomes an essentially irrelevant factor. I know there is a predominan=
ce of "flat earthers" on the list when it comes to preamps, but having buil=
t a few diy preamps and heard the audible changes resulting from changing c=
omponents let alone, different designs it's hard to give any credence to cl=
aims to the effect that a "all preamps sound the same".
cheers
Paul
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