Creative Sound Blaster X7 - Page 16

Intermodulation distortion
IMD (swept tones)
Stereo crosstalk
Left Right
IMD + Noise, % +0.0028 +0.0026
IMD + Noise (A-weighted), % +0.0017 +0.0016
Left Right
Crosstalk at 100 Hz, dB -104 -106
Crosstalk at 1000 Hz, dB -112 -111
Crosstalk at 10000 Hz, dB 108 -107
Left Right
IMD + Noise at 5000 Hz, 0.0028 0.0029
IMD + Noise at 10000 Hz, 0.0021 0.0019
IMD + Noise at 15000 Hz, 0.0020 0.0021
Appendix
3130
SOUND BLASTER X7 PRODUCT EXPERIENCE GUIDE SOUND BLASTER X7 PRODUCT EXPERIENCE GUIDE
RightMark Audio Analyzer
Test Report for Sound Blaster X7 (24-bit, 96 kHz)
Testing device Speakers (Sound Blaster X7)
Sampling mode 24-bit, 96 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.0 PRO
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.1 dB / -0.3 dB
Mono mode OFF
Calibration signal, Hz 1000
Polarity correct/correct
Frequency response (from 40 Hz to 15 kHz), dB +0.02, -0.09 Excellent
Noise level, dB (A) -118.5 Excellent
Dynamic range, dB (A) 118.5 Excellent
THD, % 0.0017 Excellent
THD + Noise, dB (A) -93.0 Very good
IMD + Noise, % 0.0026 Excellent
Stereo crosstalk, dB -112.8 Excellent
IMD at 10 kHz, % 0.0020 Excellent
GENERAL PERFORMANCE VERY GOOD
Summary