Test report FiiO X7 II: Fast Roll-Off Linear phase (report for a pro)



About this report

This is a report for professionals with a suite of tests for line output devices. Alternative version of the report for "dummies" in development.

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

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 DAC FiiO X7 II Fast Roll-Off Linear phase

Frequency response


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Range, dB:

General results

General results FiiO X7 II Fast Roll-Off Linear phase
Channel
Center/Summary
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,06, 0,03

The table shows the most important technical characteristics FiiO X7 II Fast Roll-Off Linear phase

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

Test conditions


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Frequency response DAC FiiO X7 II Fast Roll-Off Linear phase


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

Frequency response FiiO X7 II Fast Roll-Off Linear phase
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,05, 0,03
-0,06, 0,03

Translation of the description is not yet ready

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

Impulse response DAC FiiO X7 II Fast Roll-Off Linear phase


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During the test, played a pulse with a sampling frequency of 44.1 kHz and the recording is performed with a sampling frequency of 192 kHz / 24-bit

The impulse response can identify the type of digital filter DAC.

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Impulse Response Envelope (ETC - Energy Time Curve) DAC FiiO X7 II Fast Roll-Off Linear phase


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



Step response DAC FiiO X7 II Fast Roll-Off Linear phase


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Aliasing DAC FiiO X7 II Fast Roll-Off Linear phase


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



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