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EMU TrackerPre

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Subject: EMU TrackerPre
From: Gianni Pavan <>
Date: Thu, 28 Apr 2011 23:10:23 +0200
Dear all,
        here some preliminary info on the performances of the EMU TrackerPre, a pretty cheap though reliable USB acquisition device able to run up to 192k with good performances.

The frequency response at 192k is flat up to 84kHz and rolls down 1 dB at 90kHz and 6 dB at Nyquist (96kHz). The a-a filters are steeper than those of the USBPre2:

INPUT at 0dB                            ALIAS
100kHz                                    -16dB at 92kHz
102kHz                                    -25dB at 90kHz
104kHz                                    -50dB at 88kHz
112kHz                                    at 80kHz the aliasing components are not measurable                                  

More accurate tests and graphs will follow on on our website at


Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
Dipartimento di Biologia Animale
Universita' di Pavia
Via Taramelli 24 - 27100 PAVIA
Phone +39-0382-987874

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