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Problem with my Echo MIA Midi
Old 17th December 2010
  #1
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Problem with my Echo MIA Midi

Hi everybody !
I have 2 problems with my Echo MIA Midi.

1) The first is that I heard, when I put a high volume on my monitors, like a "numeric" sound when I move or close windows on... windows. I imagine it's a electromagnetic field inside the PC that is "recorded" by the Echo MIA. This sound is not loud, but when I mix a song, I do it whit a large reserve of dynamic and I have to rise the volume of my monitors. In this case the numeric sound is clearly audible.
I'm wondering if the problem will disappear if I use a sound card in a rack, like a Echo Gina3G for example ?

2) The second problem is that the RMAA tests are absolutely not normal. It's the first time I make this test since I bought the sound card.
Here's the result :

Frequency response (from 40 Hz to 15 kHz), dB
+12.60, -4.62
Very poor

Noise level, dB (A)
-106.6
Excellent

Dynamic range, dB (A)
106.5
Excellent

THD, %
0.0008
Excellent

THD + Noise, dB (A)
-95.7
Excellent

IMD + Noise, %
0.0024
Excellent

Stereo crosstalk, dB
-110.5
Excellent

IMD at 10 kHz, %
6.489
Very poor

General performance
Good


The frequency response is terrifying :

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The IMD is also absolutely not normal. I have this card since 5 years, and I never hear this problem... Maybe it's new, or I have very bad ears...
It's like the numeric sound problem, I hear it since 3 or 4 months...

Do you have an idea of what is the problem ?

Thank you very much
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