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 xDuoo XD 05 Pro (as Line Out mode)
Max voltage output at 0 dBFS
12.4
dBV
4.2
VRMS
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Frequency response xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Range
Frequency band
Type test:
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Impulse response xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Duration for impulse, envelope and step responses
Graphics setting view
Channel
Duration for impulse, envelope and step responses
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Aliasing xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Range
Type test:
Frequency band
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Harmonic Distortion vs Level xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Comparison by
Harmonic, number
Range
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Crosstalk xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Range
Graphics setting view
Channel
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Spectrum of Total Harmonic Distortion (THD) xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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 xDuoo XD 05 Pro AKM FIR 1 (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.
Waveforms / Spectra xDuoo XD 05 Pro AKM FIR 1 (as Line Out mode)
Graphics setting view
Channel
Range
Graphics setting view
Channel
Range
Type test:
Frequency band
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 xDuoo XD 05 Pro AKM FIR 1 were carried out by Roman Kuznetsov on the hardware-software complex RAA.
The xDuoo XD 05 Pro AKM FIR 1 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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