iPhone 3G RMAA test report.

iPhone 3G RMAA audio test.

iPhone 3G

Testing chain: iPhone 3G (16-bit, 44.1 kHz AIFF file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.02, -0.15
Noise level, dB (A) : -92.4
Dynamic range, dB (A) : 92.3
THD, % : 0.0024
THD + Noise, dB (A) : -81.3
IMD + Noise, % : 0.012
Stereo crosstalk, dB : -88.1
IMD at 10 kHz, % : 0.011

Testing chain: iPhone 3G with 16 Ohm load (16-bit, 44.1 kHz AIFF file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.15, -2.09
Noise level, dB (A) : -93.0
Dynamic range, dB (A) : 92.9
THD, % : 0.027
THD + Noise, dB (A) : -69.9
IMD + Noise, % : 0.047
Stereo crosstalk, dB : -67.6
IMD at 10 kHz, % : 0.074

Frequency response

Noise level

Dynamic range

THD + Noise (at -3 dB FS)

Intermodulation distortion

Stereo crosstalk

IMD (swept tones)

MP3 player Explay X1 (ATJ3310) RMAA test report.

RMAA - RightMark Audio Analyzer.
ATJ3310 - Actions Semiconductor multimedia IC

Explay X1

Explay X1 audio tests below...

Testing chain: Explay X1 (16-bit, 44.1 kHz WAV file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.05, -0.28
Noise level, dB (A) : -91.2
Dynamic range, dB (A) : 91.2
THD, % : 0.0027
THD + Noise, dB (A) : -82.0
IMD + Noise, % : 0.010
Stereo crosstalk, dB : -89.1
IMD at 10 kHz, % : 0.0096

Testing chain: Explay X1 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.05, -0.29
Noise level, dB (A) : -91.8
Dynamic range, dB (A) : 91.7
THD, % : 0.0045
THD + Noise, dB (A) : -80.0
IMD + Noise, % : 0.013
Stereo crosstalk, dB : -66.5
IMD at 10 kHz, % : 0.023

Frequency response

Noise level

Dynamic range

THD + Noise (at -3 dB FS)

Intermodulation distortion

IMD (swept tones)

MEIER-AUDIO CORDA ARIETTA headphone amplifier RMAA test report.

MEIER-AUDIO CORDA ARIETTA headamp audio test by RightMark Audio Analyzer (RMAA).

CORDA ARIETTA

See more recent tests here.

Testing chain: SBLive!24 line-out (24-bit, 48 kHz) -> ARIETTA -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.01, -0.07
Noise level, dB (A) : -94.9
Dynamic range, dB (A) : 94.9
THD, % : 0.0016
THD + Noise, dB (A) : -87.3
IMD + Noise, % : 0.0055
Stereo crosstalk, dB : -89.6
IMD at 10 kHz, % : 0.0056

Testing chain: SBLive!24 line-out (24-bit, 48 kHz) -> ARIETTA (with 16 Ohm load) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.01, -0.09
Noise level, dB (A) : -94.9
Dynamic range, dB (A) : 95.1
THD, % : 0.0066
THD + Noise, dB (A) : -82.0
IMD + Noise, % : 0.010
Stereo crosstalk, dB : -54.7
IMD at 10 kHz, % : 0.015

Frequency response

Noise level

Dynamic range

THD + Noise (at -3 dB FS)

Intermodulation distortion

Stereo crosstalk

IMD (swept tones)

Creative Sound Blaster Live! 24-bit RMAA test report.

Creative Sound Blaster Live! 24-bit audio test by RightMark Audio Analyzer (RMAA).

iXBT.com review

Testing chain: line output (24-bit, 48 kHz) -> line input (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.01, -0.05
Noise level, dB (A) : -100.8
Dynamic range, dB (A) : 100.9
THD, % : 0.0012
THD + Noise, dB (A) : -92.3
IMD + Noise, % : 0.0029
Stereo crosstalk, dB : -98.8
IMD at 10 kHz, % : 0.0039

Frequency response

Noise level

Dynamic range

THD + Noise (at -3 dB FS)

Intermodulation distortion

Stereo crosstalk

IMD (swept tones)