PHONIC - Digitrack USB - AD/DA Convertor
LINDOS AUDIO SEQUENCE TEST PHONIC - Digitrack USB - AD/DA Convertor
SOURCE DS10 Digital to digital - analog linked directly
27-Apr-06 04:41 PM


FREQUENCY RESPONSE @0dB [u]
20Hz -1.15 -1.15
31Hz -0.21 -0.21
40Hz -0.12 -0.12
50Hz -0.08 -0.09
100Hz -0.03 -0.03
315Hz 0.00 0.00
1k0 0.00 0.00
3k1 -0.22 -0.21
6k3 -0.91 -0.86
10k0 -2.21 -2.17
12k5 -3.46 -3.47
16k0 -5.23 -5.26
20k0 -7.34 -7.36
PHASE DIFF R-L [z]
20Hz 0.00
31Hz 0.00
40Hz 0.00
50Hz 0.00
100Hz -1.00
315Hz -3.00
1k0 -11.00
3k1 -34.00
6k3 -67.00
10k0 -105.00
12k5 -131.00
16k0 -168.00
20k0 0.00
TEST LEVEL OUT 1 kHz [t]
TL dB 04.69 04.61
NOISE ITU-468 Q-Pk REL [n]
WTD -56.85 -56.77
DIST RES 1kHz WTD REL [q]/r
-20dB -36.73 -37.73
0dB -58.05 -58.14
+8dB -7.60 -7.58


Very poor! High frequency rolloff is quite unacceptable. Phase shift suggests a single time multiplexed A-D (though the D-A showed no such failing). Noise poor despite low clipping level.

As a D-A only this device was promising. As an A-D forget it - most computers have better onboard performance!

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