Measurement's report xDuoo X3 Rockbox 24 bit Ditter test and graphs - Reference Audio Analyzer

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Reports / xDuoo / X3 / Rockbox 24 bit Ditter / DAC Line Out / report for a pro

Test report xDuoo X3: Rockbox 24 bit Ditter (report for a pro)






Test report - general data of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode

Frequency response


Graphics setting view
Frequency band, Hz:
Range, dB:
Type test:

Spectrum of Total Harmonic Distortion (THD)

Spectrum of Jitter


Spectrum of Multitone Distortion



General results
General results xDuoo X3 Rockbox 24 bit Ditter
Channel
Center/Summary
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,04, 0,01
Max voltage output at 0 dBFS, VRMS
1,56
Max voltage output at 0 dBFS, dBV
3,84
Max voltage output at 0 dBFS, dBu
6,06
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-83,6
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,006598
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-99,0
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,001121

The table shows a most important technical characteristics of xDuoo X3 Rockbox 24 bit Ditter

*Center channel headphone is received by averaging between left and right channels



Test conditions



Frequency response of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Frequency band, Hz:
Range, dB:
Channel:
Type test:




Table of measured characteristics
Frequency response xDuoo X3 Rockbox 24 bit Ditter
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,04, 0,01
-0,04, 0,01

Crosstalk of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Crosstalk xDuoo X3 Rockbox 24 bit Ditter
Crosstalk at the frequency 100 Hz, dB
-107,3
Crosstalk at the frequency 1000 Hz, dB
-97,0
Crosstalk at the frequency 10000 Hz, dB
-77,6

Crosstalk Phase of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:



THD vs output voltage of line out of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Type test:




Table of measured characteristics
THD vs output voltage of line out xDuoo X3 Rockbox 24 bit Ditter
Max voltage output at 0 dBFS, VRMS
1,56
Max voltage output at 0 dBFS, dBV
3,84
Max voltage output at 0 dBFS, dBu
6,06


Total Harmonic Distortion vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Type test:



Impulse response of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Time, ms:
Channel:



Impulse Response Envelope (ETC - Energy Time Curve) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


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Time, ms:
Range, dB:
Channel:



Step response of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


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Time, ms:
Channel:





Aliasing of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


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Channel:
Type test:



Spectra of high resolution

Noise floor spectrum of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Scale:



Spectrum of Total Harmonic Distortion (THD) of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Level, dBFS:
Scale:




Table of measured characteristics
Harmonic distortion
xDuoo X3 Rockbox 24 bit Ditter
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-83,6
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,006598
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-99,0
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,001121




Table of measured characteristics
The levels of harmonics when applying signal 1 kHz 0 dBFS
xDuoo X3 Rockbox 24 bit Ditter
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
0,0
-87,4
-89,1
-94,0
-94,8
-114,9
-118,3
-98,4
-102,1
-112,0
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-107,0
-104,4
-114,5
-121,0
-102,3
-107,6
-102,9
-114,4
-112,3
-113,6


The levels of harmonics when applying signal 1 kHz -3 dBFS
xDuoo X3 Rockbox 24 bit Ditter
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
-3,0
-118,2
-103,3
-137,7
-122,1
-132,1
-128,7
-131,2
-131,7
-144,3
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-128,8
-127,6
-125,9
-123,5
-121,7
-117,7
-116,2
-117,1
-115,9
-114,3
The data in the tables correspond to by average value of left and right channels

Spectrum of Dynamic Range (-60 dBFS) of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Scale:



Sine low ammplitude spectrum -90 dBFS of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Scale:



Spectrum of Intermodulation Distortion (IMD) - SMPTE of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Frequency band, Hz:
Range, dB:
Channel:
Level, dBFS:
Scale:



Spectrum of Intermodulation Distortion (IMD) - CCIF of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Level, dBFS:



Spectrum of Multitone Distortion of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Level, dBFS:
Type test:



Spectrum of Noise Distortion of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Level, dBFS:



Spectrum of Jitter of xDuoo X3 Rockbox 24 bit Ditter (High resolution graph) as Line Out mode


Graphics setting view
Frequency band, Hz:
Range, dB:
Channel:
Type test:




Table of measured characteristics
The accuracy of the playback speed xDuoo X3 Rockbox 24 bit Ditter
Fundamental tone 11025 Hz, Hz
11024,6635
Variance from 11025 Hz, Hz
-0,3365

Spectra vs Amplitude

Total Harmonic Distortion vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Level, dBFS:



Spectrum of IMD SMPTE vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Frequency band, Hz:
Channel:
Level, dBFS:



Spectrum of IMD CCIF vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Level, dBFS:



Spectrum of Multitone Distortion vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Level, dBFS:
Type test:



Spectrum of Noise Distortion vs Level (dBFS) of xDuoo X3 Rockbox 24 bit Ditter as Line Out mode


Graphics setting view
Channel:
Level, dBFS:



Close

Measurements of xDuoo X3 Rockbox 24 bit Ditter were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The xDuoo X3 Rockbox 24 bit Ditter test was conducted as a black box test, without regard to cost and prestige. This is the basic principle for making measurements, measurement reports and developing tests in RAA.



Kuznetsov Roman
Founder of RAA



Known by the nickname romanrex
Аuthor of articles iXBT.com




xDuoo X3 is available in reports and services. You are in a professional report.



Information for entry level users

reports for a newbie (Headphone amplifier)





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