Measurement's report ASUS Xonar Essence STX Hi Gain - Reference Audio Analyzer

ASUS Xonar Essence STX

Hi Gain
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 ASUS Xonar Essence STX Hi Gain

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".

Line-out, differences from the output for headphones and speakers

Advantages and disadvantages of balanced amplifiers

Test report - general data ASUS Xonar Essence STX (as headphone amplifier)

Frequency response, Impedance and Frequency response with standard headphones

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Voltage levels from the load at the output of the amplifier

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Average value of impedance band in 40 Hz - 15 kHz10.3ohm
Voltage:
Linear Mode / Maximum or before clipping level
15.4/16.4dBV
5.9/6.6VRMS
Current:
Linear Mode / Maximum or before clipping level
30.4/47.0dB(mA)
33.1/223.0mA





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Frequency response ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Channel

Range

Channel:LeftRight
Variation in frequency response in band from 40 Hz - 15 kHz -0.1, +0.0-0.1, +0.0dB



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On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



Impedance ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz10.3 10.3ohm
The minimum value in band from 40 Hz - 15 kHz10.3 10.3ohm
The maximum value in band from 40 Hz - 15 kHz10.4 10.4ohm


Comparison of basic characteristics AMPs


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Crosstalk ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Channel

Range

Load

Channel:LeftRight
Crosstalk @ 1 kHz @ 15.8 ohm -66.2 -65.8dB
Crosstalk @ 1 kHz @ 24.5 ohm -68.7 -67.9dB
Crosstalk @ 1 kHz @ 30.5 ohm -69.8 -69.3dB
Crosstalk @ 1 kHz @ 62.4 ohm -73.5 -97.2dB
Crosstalk @ 1 kHz @ 100.0 ohm -80.2 -79.1dB
Crosstalk @ 1 kHz @ 198.9 ohm -84.1 -83.3dB
Crosstalk @ 1 kHz @ 300.0 ohm -86.9 -87.4dB
Crosstalk @ 1 kHz @ 763.0 ohm -93.5 -94.6dB
Crosstalk @ 1 kHz @ Not loaded-104.5 -96.1dB



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Crosstalk Phase ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Load




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Frequency response ASUS Xonar Essence STX Hi Gain with resistive load

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Frequency response of amplifier with resistive load @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 16 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
TEST 32 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
TEST 64 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
TEST 126 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
TEST 256 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
TEST 512 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB



Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



Frequency response ASUS Xonar Essence STX Hi Gain loaded dynamic headphone type

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Range

Frequency response of amplifier loaded dynamic headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
Grado GH4 Limited Edition + ASUS Xonar Essence STX Hi Gain 1.61.5dB



Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



Frequency response ASUS Xonar Essence STX Hi Gain loaded type balance armature headphone type

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Range

Frequency response of amplifier loaded type balance armature headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + ASUS Xonar Essence STX Hi Gain 0.00.0dB
Campfire Audio Andromeda + ASUS Xonar Essence STX Hi Gain 8.78.6dB
Fearless Audio S8F Freedom + ASUS Xonar Essence STX Hi Gain 6.96.4dB



Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



THD vs load vs output voltage ASUS Xonar Essence STX Hi Gain

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Channel

Load

Harmonic, number

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Load

Harmonic, number

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Load


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Maximum voltage output level vs load ASUS Xonar Essence STX Hi Gain

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RAW coordinates

Power characteristics of the Voltage Current
dBVVRMSdB(mA)mA
Equivalent class A 15.45.930.433.1
Equivalent class AB 15.45.947.0223.0
Equivalent class B 15.45.947.0223.0
Maximum mode 16.46.647.0223.0


Volume Control TypeDigital
Optimal range of volume control47.0dB
Signal/Noise / Maximum117.0/16.4dB/dBV
Signal/Noise @ -14.9 dBV 32 ohm (1 mW)88.13dB
Signal/Noise @ -5.2 dBV 300 ohm (1 mW)95.71dB


Comparison ASUS Xonar Essence STX Hi Gain and another amplifiers by loudness (Volume Level)

Main characteristics of the ASUS Xonar Essence STX Hi Gain


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Maximum voltage output level vs load ASUS Xonar Essence STX Hi Gain

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RAW coordinates

Maximum Amplifier Voltage Level
Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
dBVVRMSdBVVRMSdBVVRMSdBVVRMS
15.8 ohm -6.00.510.90.510.90.510.90.5
24.5 ohm -1.70.812.20.812.20.813.20.8
30.5 ohm 1.71.212.71.212.71.213.71.2
62.4 ohm 6.02.014.02.014.02.015.02.0
100 ohm 10.53.314.53.314.53.315.53.3
198.9 ohm 14.95.614.95.614.95.615.95.6
300 ohm 15.15.715.15.715.15.716.15.7
763 ohm 15.25.815.25.815.25.816.25.8
Not loaded15.45.915.45.915.45.916.45.9



Maximum level of amplifier current
Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
dB(mA)mAdB(mA)mAdB(mA)mAdB(mA)mA
15.8 ohm 30.031.647.0223.047.0223.047.0223.0
24.5 ohm 30.533.444.5167.244.5167.245.4187.3
30.5 ohm 32.040.043.0141.843.0141.844.0158.9
62.4 ohm 30.132.138.180.538.180.539.190.3
100 ohm 30.533.534.553.134.553.135.559.6
198.9 ohm 28.928.028.928.028.928.029.931.4
300 ohm 25.518.925.518.925.518.926.521.2
763 ohm 17.67.617.67.617.67.618.68.5


Power
Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
dBmmWdBmmWdBmmWdBmmW
15.8 ohm 12.015.829.0785.529.0785.529.0785.5
24.5 ohm 14.427.428.4685.028.4685.029.3859.2
30.5 ohm 16.948.827.9612.927.9612.928.9770.4
62.4 ohm 18.164.126.1404.526.1404.527.1509.1
100 ohm 20.5112.224.5281.824.5281.825.5354.7
198.9 ohm 21.9155.821.9155.821.9155.822.9196.1
300 ohm 20.3107.020.3107.020.3107.021.3134.7
763 ohm 16.443.816.443.816.443.817.455.1



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Spectrum of Total Harmonic Distortion vs Level ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Level

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dBm

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dBV

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Spectrum of Multitone Distortion vs Level vs Load ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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dBm

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Spectrum of IMD SMPTE vs Level ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Level

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dBm

Range

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dBV

Range


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Spectrum of IMD CCIF vs Level ASUS Xonar Essence STX Hi Gain (as headphone amplifier)

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Level

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Level

Range

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dBm

Range

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dBV

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More detailed

Measurements of ASUS Xonar Essence STX Hi Gain were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The ASUS Xonar Essence STX Hi Gain 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.

I believe that it is important to do not make an absolute assessment of the device, but an aggregate assessment when working together with a headphones and taking into account external factors. This allows you to effectively reveal the potential of the entire set of devices or to make a more optimal choice of components.




Kuznetsov Roman
Founder of RAA



Known by the nickname romanrex
Аuthor of articles iXBT.com



Information for Authors. You can freely use the graphics in your articles with a link to us.




ASUS Xonar Essence STX is available in reports and services. You are in a professional report.

Information for entry level users

    reports for a newbie (Headphone amplifier)
    The automatic selection of the optimal AMP models









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