Mesurement's report xDuoo D3 nano test and graphs - Reference Audio Analyzer
xDuoo D3 nano
Headphone amplifierHeadphone amplifier
Headphone amplifierHeadphone amplifier
DAC Line OutDAC Line Out



Manufacturers / xDuoo

Test report xDuoo D3 nano (report for a pro)



About this report
This is a report for professionals with a suite of test of headphone amplifier.

You can see a simple report for "dummies" with explanations of the main characteristics for xDuoo D3 nano

One product can have multiple reports in different modes and with different a suite of tests.

A suite of tests for a headphone amplifier can be applied to just a universal output without a formal presence of an amplifier, if in this mode you can connect headphones to this output. Based on the results of the tests, you can understand the real picture, is the output powerful enough or not, with the initial data on the circuitry as a "black box".



Test report - general data the headphone amplifier xDuoo D3 nano

Frequency response, Impedance and Frequency response with standard headphones


Graphics setting view
Range, dB:

The maximum level of voltage from the musical power for the amplifier output

Ваш браузер не поддерживает Canvas


General results
General results
xDuoo D3 nano
Channel
Center/Summary
Average variation in FR in the band 40 Hz to 15 kHz, dB
-0,05, 0,02
Average value of impedance band in 40 Hz to 15 kHz, ohm
0,1
Max voltage output
VRMS
dBV
Clear or equal class A?
1,42
3,03
Optimal or equal class AB?
1,42
3,03
Hard or equal class B?
1,42
3,03
Max, before clipping?
1,42
3,03
Maximum current output at loaded
ohm
mA
Clear or equal class A?
24,5
5,12
Optimal or equal class AB?
15,8
79,17
Hard or equal class B?
15,8
79,17
Max, before clipping?
15,8
79,17
Max power output
ohm
mW
dBm
Clear or equal class A?
300,0
2,66
4,25
Optimal or equal class AB?
15,8
99,03
19,96
Hard or equal class B?
15,8
99,03
19,96
Max, before clipping?
15,8
99,03
19,96

The table shows the most important technical characteristics xDuoo D3 nano

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



Test conditions


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Amplifier type :
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A set of tests the amplifier contains :


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Detailed measurements report of technical characteristics


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    Spectra vs Amplitude




    

    Frequency response the headphone amplifier xDuoo D3 nano


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response xDuoo D3 nano
    Channel
    Left
    Right
    Variation in frequency response in band from 100 Hz to 10 kHz, dB
    -0,05, 0,02
    -0,05, 0,02

    Impedance the headphone amplifier xDuoo D3 nano


    Graphics setting view
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Impedance xDuoo D3 nano
    Channel
    Left
    Right
    Impedance average in band from 40 Hz to 15 kHz, ohm
    0,1
    0,1
    Resistance at 500 Hz, ohm
    0,1
    0,1
    Resistance at 1000 Hz, ohm
    0,1
    0,1
    The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
    9128,7
    9128,7
    The minimum value in band from 40 Hz to 15 kHz, ohm
    0,1
    0,1
    The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
    14028,9
    14028,9
    The maximum value in band from 40 Hz to 15 kHz, ohm
    0,1
    0,1


    Comparison of the parameters

    Comparison of the impedance of xDuoo D3 nano versus other models

    How much are the characteristics of xDuoo D3 nano different from other models?
    This can be compared for all measured headphone models


    Crosstalk the headphone amplifier xDuoo D3 nano


    Graphics setting view
    Range, dB:
    Channel:
    Load, ohm:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table

    Crosstalk Phase the headphone amplifier xDuoo D3 nano


    Graphics setting view
    Channel:
    Load, ohm:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.

    Frequency response with loaded resistors from xDuoo D3 nano


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response of amplifier the headphone amplifier xDuoo D3 nano
    with resistive load
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded 16 ohm, dB
    0,01
    Variation in frequency response in band 40 Hz to 15 kHz loaded 32 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 50 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 100 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 250 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 600 ohm, dB
    0,00

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



    Comparison of the parameters

    Compare the frequency response of a bundle of headphones and amplifiers

    How the frequency response of xDuoo D3 nano changes when connected to different headphones? In the example the xDuoo D3 nano and headphones Enigma Acoustics & Lotoo Dharma D200 , Sennheiser CX 5.00 , Sunrise Dragon Default, Audio-Technica ATH-E40 , Apple EarPods ). You can choose and compare bundles with other headphones .

    Frequency response the headphone amplifier xDuoo D3 nano load dynamic headphone type


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response of the headphone amplifier xDuoo D3 nano
    load dynamic headphone type
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz load the dynamic type, dB
    0,09

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



    Comparison of the parameters

    Compare the frequency response of a bundle of headphones and amplifiers

    How the frequency response of xDuoo D3 nano changes when connected to different headphones? In the example the xDuoo D3 nano and headphones Grado eGrado , VE Monk Plus , Jays v-Jays Small ). You can choose and compare bundles with other headphones .

    Deviation of frequency response the headphone amplifier xDuoo D3 nano load dynamic headphone type


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response of amplifier xDuoo D3 nano
    load dynamic headphone type
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz load the dynamic type, dB
    0,01

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



    Comparison of the parameters

    Compare the frequency response of a bundle of headphones and amplifiers

    How the frequency response of xDuoo D3 nano changes when connected to different headphones? In the example the xDuoo D3 nano and headphones Grado eGrado , VE Monk Plus , Jays v-Jays Small ). You can choose and compare bundles with other headphones .

    Frequency response the headphone amplifier xDuoo D3 nano loaded type balance armature headphone type (one driver)


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response of amplifier xDuoo D3 nano
    loaded type balanced armature
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded type balanced armature, dB
    0,09

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



    Comparison of the parameters

    Compare the frequency response of a bundle of headphones and amplifiers

    How the frequency response of xDuoo D3 nano changes when connected to different headphones? In the example the xDuoo D3 nano and headphones Oriolus MK2 , Sony XBA-Z5 , Creative In-Ear 3 , Phiaton PS 320 , Dunu DN-2002 , iBasso IT03 , Dunu DN 900 ). You can choose and compare bundles with other headphones .

    Deviation of frequency response the headphone amplifier xDuoo D3 nano loaded type balance armature headphone type (one driver)


    Graphics setting view
    Range, dB:
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table
    Frequency response of amplifier xDuoo D3 nano
    loaded type balanced armature
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded type balanced armature, dB
    0,06

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



    Comparison of the parameters

    Compare the frequency response of a bundle of headphones and amplifiers

    How the frequency response of xDuoo D3 nano changes when connected to different headphones? In the example the xDuoo D3 nano and headphones Oriolus MK2 , Sony XBA-Z5 , Creative In-Ear 3 , Phiaton PS 320 , Dunu DN-2002 , iBasso IT03 , Dunu DN 900 ). You can choose and compare bundles with other headphones .

    Maximum voltage output level vs load xDuoo D3 nano


    Graphics setting view
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table


    Maximum voltage output level vs load xDuoo D3 nano (the source data for the spectra)
    Limit
    Clear or equal class A?
    Optimal or equal class AB?
    Hard or equal class B?
    Max, before clipping?
    Level
    VRMS
    dBV
    VRMS
    dBV
    VRMS
    dBV
    VRMS
    dBV
    loaded 16 ohm
    0,08
    -22,05
    1,25
    1,94
    1,25
    1,94
    1,25
    1,94
    loaded 25 ohm
    0,13
    -18,02
    1,26
    1,97
    1,26
    1,97
    1,26
    1,97
    loaded 31 ohm
    0,13
    -18,01
    1,26
    1,99
    1,26
    1,99
    1,26
    1,99
    loaded 62 ohm
    0,25
    -11,99
    1,41
    3,01
    1,41
    3,01
    1,41
    3,01
    loaded 100 ohm
    0,36
    -8,98
    1,26
    2,02
    1,26
    2,02
    1,26
    2,02
    loaded 199 ohm
    0,50
    -5,98
    1,42
    3,02
    1,42
    3,02
    1,42
    3,02
    loaded 300 ohm
    0,89
    -0,98
    1,42
    3,02
    1,42
    3,02
    1,42
    3,02
    loaded 763 ohm
    1,26
    2,03
    1,42
    3,03
    1,42
    3,03
    1,42
    3,03
    Not loaded
    1,42
    3,03
    1,42
    3,03
    1,42
    3,03
    1,42
    3,03



    

    The maximum level of voltage from the musical power for the amplifier output xDuoo D3 nano

    Ваш браузер не поддерживает Canvas 
    Recommended impedances for headphones for xDuoo D3 nano
    Recommended impedance for headphones from the range
    8 - 1008 Ом для режима работы усилителя
    Equivalent class AB F.A.Q.
    Max, before clipping?
    For In-Ear Headphones
    16 - 406 ohm
    8 - 406 ohm
    For Over-Ear Headphones
    No recommendation, Amp is too quiet
    8 - 51 ohm
    xDuoo D3 nano
    Output Impedance
    0.12 ohm
    Power characteristics of the
    Voltage
    Current
    Equivalent class A F.A.Q.
    1.42 VRMS
    3.03 dBV
    4.33 mA
    12.74 dB(mA)
    Equivalent class AB F.A.Q.
    1.42 VRMS
    3.03 dBV
    79.36 mA
    37.99 dB(mA)
    Equivalent class B F.A.Q.
    1.42 VRMS
    3.03 dBV
    79.36 mA
    37.99 dB(mA)
    Maximum mode F.A.Q.
    1.42 VRMS
    3.03 dBV
    79.36 mA
    37.99 dB(mA)


    Maximum current level output vs load xDuoo D3 nano


    Graphics setting view
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table


    Maximum current level output vs load xDuoo D3 nano (the source data for the spectra)
    Level, mA
    Clear or equal class A?
    Optimal or equal class AB?
    Hard or equal class B?
    Max, before clipping?
    Level
    mA
    dB(mA)
    mA
    dB(mA)
    mA
    dB(mA)
    mA
    dB(mA)
    loaded 16 ohm
    5,00
    13,98
    79,17
    37,97
    79,17
    37,97
    79,17
    37,97
    loaded 25 ohm
    5,12
    14,19
    51,23
    34,19
    51,23
    34,19
    51,23
    34,19
    loaded 31 ohm
    4,12
    12,30
    41,21
    32,30
    41,21
    32,30
    41,21
    32,30
    loaded 62 ohm
    4,03
    12,11
    22,65
    27,10
    22,65
    27,10
    22,65
    27,10
    loaded 100 ohm
    3,55
    11,02
    12,61
    22,02
    12,61
    22,02
    12,61
    22,02
    loaded 199 ohm
    2,53
    8,05
    7,12
    17,05
    7,12
    17,05
    7,12
    17,05
    loaded 300 ohm
    2,98
    9,48
    4,72
    13,48
    4,72
    13,48
    4,72
    13,48
    loaded 763 ohm
    1,66
    4,38
    1,86
    5,38
    1,86
    5,38
    1,86
    5,38
    Not loaded
    0,03
    -30,95
    0,03
    -30,95
    0,03
    -30,95
    0,03
    -30,95



    Maximum power level output level vs load xDuoo D3 nano


    Graphics setting view
    Channel:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.

    Table


    Maximum power level output level vs load xDuoo D3 nano (the source data for the spectra)
    Limit
    Clear or equal class A?
    Optimal or equal class AB?
    Hard or equal class B?
    Max, before clipping?
    Level
    mW
    dBm
    mW
    dBm
    mW
    dBm
    mW
    dBm
    loaded 16 ohm
    0,39
    -4,04
    99,03
    19,96
    99,03
    19,96
    99,03
    19,96
    loaded 25 ohm
    0,64
    -1,92
    64,31
    18,08
    64,31
    18,08
    64,31
    18,08
    loaded 31 ohm
    0,52
    -2,86
    51,79
    17,14
    51,79
    17,14
    51,79
    17,14
    loaded 62 ohm
    1,01
    0,06
    32,01
    15,05
    32,01
    15,05
    32,01
    15,05
    loaded 100 ohm
    1,26
    1,02
    15,90
    12,02
    15,90
    12,02
    15,90
    12,02
    loaded 199 ohm
    1,27
    1,04
    10,08
    10,03
    10,08
    10,03
    10,08
    10,03
    loaded 300 ohm
    2,66
    4,25
    6,69
    8,25
    6,69
    8,25
    6,69
    8,25
    loaded 763 ohm
    2,09
    3,20
    2,63
    4,20
    2,63
    4,20
    2,63
    4,20
    Not loaded
    0,04
    -13,96
    0,04
    -13,96
    0,04
    -13,96
    0,04
    -13,96



    THD vs load vs output voltage xDuoo D3 nano


    Graphics setting view
    Channel:
    Load, ohm:
    Type test:


    Brief information
    Full translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    Table

    Spectrum of Total Harmonic Distortion vs Level the headphone amplifier xDuoo D3 nano

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:


    Brief information
    Full translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.

    Spectrum of IMD SMPTE vs Level the headphone amplifier xDuoo D3 nano

    Not loaded


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

    Loaded 15,8 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.

    Spectrum of IMD CCIF vs Level the headphone amplifier xDuoo D3 nano

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.

    Spectrum of Multitone Distortion vs Level vs Load the headphone amplifier xDuoo D3 nano

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:


    Brief information
    Translation of the description is not yet ready

    Original text in Russian report. You can help with translation via the forum or feedback.


    On-line comparison and selection services for xDuoo D3 nano

    Comparison of basic characteristics the xDuoo D3 nano versus other models.
    Voltage, Current and Impedance

    Compare a changed frequency response the bundles of xDuoo D3 nano and headphones .

    Comparison the xDuoo D3 nano and another amplifiers by loudness (Volume Level).

    Comparison of the power characteristics of the xDuoo D3 nano and interaction headphones.
    Additional headphone compatibility analytics.

    The automatic selection of the optimal AMP models from xDuoo D3 nano .
    from the measured power parameters of the amplifying part and the measured parameters of the headphones for different purpose of use.


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    Last news


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    23-03-2017
    New menu design


    23-03-2017
    New website design


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