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Zdroj: PCTuning.cz
Druhý díl megatestu zvukovek Asus Xonar – vyhodnocení | Kapitola 2
Seznam kapitol
V minulém díle našeho megatestu jsme se podívali na první čtyři zvukové karty Asus Xonar. Prošli jsme si situaci na trhu, ukázali trochu teorie a naměřili mnoho a mnoho hodnot. Dnes se podíváme na poslední testované karty a především vyhodnotíme všechny grafy. Takže – která zvukovka Xonar je právě pro vás?
RMAA 44.1 kHz / 16-bit
Summary
Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.08 | Excellent |
Noise level, dB (A) | -90.2 | Very good |
Dynamic range, dB (A) | 90.2 | Very good |
THD, % | 0.0010 | Excellent |
THD + Noise, dB (A) | -84.1 | Good |
IMD + Noise, % | 0.0082 | Very good |
Stereo crosstalk, dB | -85.5 | Excellent |
IMD at 10 kHz, % | 0.0090 | Very good |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.18, +0.06 |
From 40 Hz to 15 kHz, dB | -0.08, +0.02 |
Noise level
Left | Right | |
RMS power, dB | -89.6 | -89.7 |
RMS power (A-weighted), dB | -90.2 | -90.2 |
Peak level, dB FS | -68.2 | -67.5 |
DC offset, % | -0.0 | -0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +89.6 | +89.6 |
Dynamic range (A-weighted), dB | +90.1 | +90.2 |
DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0011 | +0.0010 |
THD + Noise, % | +0.0067 | +0.0066 |
THD + Noise (A-weighted), % | +0.0063 | +0.0062 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0082 | +0.0082 |
IMD + Noise (A-weighted), % | +0.0076 | +0.0076 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -82 | -83 |
Crosstalk at 1000 Hz, dB | -85 | -84 |
Crosstalk at 10000 Hz, dB | -88 | -88 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0099 | 0.0098 |
IMD + Noise at 10000 Hz, | 0.0085 | 0.0087 |
IMD + Noise at 15000 Hz, | 0.0088 | 0.0087 |
RMAA 48 kHz / 24-bit
Summary
Frequency response (from 40 Hz to 15 kHz), dB | +0.03, -0.09 | Excellent |
Noise level, dB (A) | -91.4 | Very good |
Dynamic range, dB (A) | 91.4 | Very good |
THD, % | 0.0009 | Excellent |
THD + Noise, dB (A) | -85.3 | Good |
IMD + Noise, % | 0.0070 | Excellent |
Stereo crosstalk, dB | -86.9 | Excellent |
IMD at 10 kHz, % | 0.0076 | Excellent |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.20, +0.05 |
From 40 Hz to 15 kHz, dB | -0.09, +0.03 |
Noise level
Left | Right | |
RMS power, dB | -91.1 | -91.1 |
RMS power (A-weighted), dB | -91.4 | -91.5 |
Peak level, dB FS | -70.4 | -70.5 |
DC offset, % | -0.0 | -0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +91.1 | +91.1 |
Dynamic range (A-weighted), dB | +91.4 | +91.4 |
DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0009 | +0.0009 |
THD + Noise, % | +0.0056 | +0.0056 |
THD + Noise (A-weighted), % | +0.0054 | +0.0054 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0070 | +0.0070 |
IMD + Noise (A-weighted), % | +0.0067 | +0.0067 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -82 | -82 |
Crosstalk at 1000 Hz, dB | -86 | -86 |
Crosstalk at 10000 Hz, dB | -90 | -90 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0079 | 0.0078 |
IMD + Noise at 10000 Hz, | 0.0074 | 0.0077 |
IMD + Noise at 15000 Hz, | 0.0074 | 0.0075 |