Creative Sound Blaster X7 - Page 20

Frequency response
Dynamic range
Noise level
THD + Noise (at -3 dB FS)
Left Right
From 20 Hz to 20 kHz, dB -0.21, +0.02 -0.36, -0.13
From 40 Hz to 15 kHz, dB -0.11, +0.02 -0.26, -0.13
Left Right
RMS power, dB -116.6 -116.9
RMS power (A-weighted), dB -118.5 -119.2
Peak level, dB FS -101.5 -100.2
DC offset, % +0.0 +0.0
Left Right
Dynamic range, dB +116.7 +116.7
Dynamic range (A-weighted), dB +118.6 +119.0
DC offset, % +0.00 +0.00
Left Right
THD, % +0.0016 +0.0014
THD + Noise, % +0.0016 +0.0015
THD + Noise (A-weighted), % +0.0021 +0.0019
Appendix
3938
SOUND BLASTER X7 PRODUCT EXPERIENCE GUIDE SOUND BLASTER X7 PRODUCT EXPERIENCE GUIDE
Intermodulation distortion
IMD (swept tones)
Stereo crosstalk
Left Right
IMD + Noise, % +0.0025 +0.0024
IMD + Noise (A-weighted), % +0.0014 +0.0014
Left Right
Crosstalk at 100 Hz, dB -111 -114
Crosstalk at 1000 Hz, dB -117 -113
Crosstalk at 10000 Hz, dB -84 -86
Left Right
IMD + Noise at 5000 Hz, 0.0018 0.0025
IMD + Noise at 10000 Hz, 0.0014 0.0017
IMD + Noise at 15000 Hz, 0.0013 0.0020