This is a report for professionals with a suite of tests for line output devices. Alternative version of the report for "dummies" in development.
A suite of tests for the line-out can be used for headphone or speaker output if in this mode it is possible to use the device as a source for connecting an external amplifier or if such a test suite can give more information about the implementation of the DAC in the device.
Test report - general data Xuelin iHiFi 780 (as Line Out mode)
Max voltage output at 0 dBFS
-2.8
dBV
0.7
VRMS
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Frequency response Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Range
Frequency band
Brief information
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Harmonic Distortion vs Level Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Comparison by
Harmonic, number
Brief information
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Crosstalk Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Range
Graphics setting view
Channel
Brief information
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Spectrum of Total Harmonic Distortion (THD) Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Level @ dBFS
Range
Graphics setting view
Channel
Level @ dBFS
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectra Xuelin iHiFi 780 24 bit (as Line Out mode)
Spectrum of Dynamic Range (-60 dBFS)
Graphics setting view
Channel
Range
Sine low ammplitude spectrum -90 dBFS
Graphics setting view
Channel
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Multitone Distortion Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Range
Level @ dBFS
Range
Graphics setting view
Channel
Range
Level @ dBFS
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Intermodulation Distortion (IMD) - SMPTE Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Level @ dBFS
Range
Range
Graphics setting view
Channel
Level @ dBFS
Range
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Intermodulation Distortion (IMD) - CCIF Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Level @ dBFS
Range
Graphics setting view
Channel
Level @ dBFS
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Noise Distortion Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Level @ dBFS
Range
Graphics setting view
Channel
Level @ dBFS
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Jitter Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Range
Range
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Checking for correctness of reproduction signals depth more than 16-bit Xuelin iHiFi 780 24 bit (as Line Out mode)
Graphics setting view
Channel
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
More detailed
Measurements of Xuelin iHiFi 780 24 bit were carried out by Roman Kuznetsov on the hardware-software complex RAA.
The Xuelin iHiFi 780 24 bit 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
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