Measurement's report FiiO Q7 Balanced Out - Reference Audio Analyzer

FiiO Q7

Balanced Out
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 FiiO Q7 Balanced Out

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 FiiO Q7 (as headphone amplifier)

Frequency response, Impedance and Frequency response with standard headphones

Your browser does not support Canvas

Voltage levels from the load at the output of the amplifier

Your browser does not support Canvas

Average value of impedance band in 40 Hz - 15 kHz2.3ohm
Voltage:
Linear Mode / Maximum or before clipping level
21.8/21.8dBV
12.3/12.3VRMS
Current:
Linear Mode / Maximum or before clipping level
49.1/50.1dB(mA)
286.0/320.7mA





Brief information

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





Frequency response FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Range

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



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



Impedance FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz2.3 2.2ohm
The minimum value in band from 40 Hz - 15 kHz2.3 2.2ohm
The maximum value in band from 40 Hz - 15 kHz2.3 2.2ohm


Comparison of basic characteristics AMPs


Brief information

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



Crosstalk FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Range

Load

Channel:LeftRight
Crosstalk @ 1 kHz @ 15.8 ohm -109.4 -111.6dB
Crosstalk @ 1 kHz @ 24.5 ohm -110.3 -114.8dB
Crosstalk @ 1 kHz @ 30.5 ohm -107.8 -113.1dB
Crosstalk @ 1 kHz @ 62.4 ohm -110.2 -112.7dB
Crosstalk @ 1 kHz @ 100.0 ohm -109.9 -116.7dB
Crosstalk @ 1 kHz @ 198.9 ohm -109.3 -110.6dB
Crosstalk @ 1 kHz @ 300.0 ohm -107.4 -113.9dB
Crosstalk @ 1 kHz @ 763.0 ohm -110.5 -114.7dB
Crosstalk @ 1 kHz @ Not loaded-109.5 -118.0dB



Brief information

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



Crosstalk Phase FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Load




Brief information

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



Frequency response FiiO Q7 Balanced Out with resistive load

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency response of amplifier with resistive load @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 16 ? + FiiO Q7 Balanced Out 0.00.0dB
TEST 32 ? + FiiO Q7 Balanced Out 0.00.0dB
TEST 64 ? + FiiO Q7 Balanced Out 0.00.0dB
TEST 126 ? + FiiO Q7 Balanced Out 0.00.0dB
TEST 256 ? + FiiO Q7 Balanced Out 0.00.0dB
TEST 512 ? + FiiO Q7 Balanced Out 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 FiiO Q7 Balanced Out loaded dynamic headphone type

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency response of amplifier loaded dynamic headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + FiiO Q7 Balanced Out 0.00.0dB
Grado GH4 Limited Edition + FiiO Q7 Balanced Out 0.40.4dB



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



Frequency response FiiO Q7 Balanced Out loaded type balance armature headphone type

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency response of amplifier loaded type balance armature headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + FiiO Q7 Balanced Out 0.00.0dB
Campfire Audio Andromeda + FiiO Q7 Balanced Out 3.53.3dB
Fearless Audio S8F Freedom + FiiO Q7 Balanced Out 2.82.5dB



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



THD vs load vs output voltage FiiO Q7 Balanced Out

Your browser does not support Canvas
Graphics setting view
Channel

Load

Harmonic, number

Range

Your browser does not support Canvas
Graphics setting view
Channel

Load

Harmonic, number

Range

Your browser does not support Canvas
Graphics setting view
Channel

Load

Range


Brief information

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



Maximum voltage output level vs load FiiO Q7 Balanced Out

Your browser does not support Canvas
Graphics setting view
Type of chart

RAW coordinates

Power characteristics of the Voltage Current
dBVVRMSdB(mA)mA
Equivalent class A 21.812.349.1286.0
Equivalent class AB 21.812.350.1320.7
Equivalent class B 21.812.350.1320.7
Maximum mode 21.812.350.1320.7


Volume Control TypeDigital
Optimal range of volume control55.0dB
Signal/Noise / Maximum125.0/21.8dB/dBV
Signal/Noise @ -14.9 dBV 32 ohm (1 mW)88.83dB
Signal/Noise @ -5.2 dBV 300 ohm (1 mW)98.01dB


Comparison FiiO Q7 Balanced Out and another amplifiers by loudness (Volume Level)

Main characteristics of the FiiO Q7 Balanced Out


Brief information

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



Maximum voltage output level vs load FiiO Q7 Balanced Out

Your browser does not support Canvas
Graphics setting view
Type of chart

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 13.14.514.14.514.14.514.14.5
24.5 ohm 16.06.317.06.317.06.317.06.3
30.5 ohm 17.77.718.77.718.77.718.77.7
62.4 ohm 20.010.020.010.020.010.020.010.0
100 ohm 21.111.421.111.421.111.421.111.4
198.9 ohm 21.712.221.712.221.712.221.712.2
300 ohm 21.812.221.812.221.812.221.812.2
763 ohm 21.812.321.812.321.812.321.812.3
Not loaded21.812.321.812.321.812.321.812.3



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 49.1286.050.1320.750.1320.750.1320.7
24.5 ohm 48.2257.449.2288.749.2288.749.2288.7
30.5 ohm 48.0251.049.0281.649.0281.649.0281.6
62.4 ohm 44.1160.344.1160.344.1160.344.1160.3
100 ohm 41.1113.841.1113.841.1113.841.1113.8
198.9 ohm 35.761.335.761.335.761.335.761.3
300 ohm 32.240.832.240.832.240.832.240.8
763 ohm 24.116.124.116.124.116.124.116.1


Power
Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
dBmmWdBmmWdBmmWdBmmW
15.8 ohm 31.11292.332.11625.232.11625.232.11625.2
24.5 ohm 32.11623.433.12042.133.12042.133.12042.1
30.5 ohm 32.81921.833.82418.733.82418.733.82418.7
62.4 ohm 32.11603.632.11603.632.11603.632.11603.6
100 ohm 31.11294.531.11294.531.11294.531.11294.5
198.9 ohm 28.7747.228.7747.228.7747.228.7747.2
300 ohm 27.0499.127.0499.127.0499.127.0499.1
763 ohm 23.0198.123.0198.123.0198.123.0198.1



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 vs Level FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBm

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBV

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 vs Level vs Load FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBm

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBV

Range


Brief information

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



   

Spectrum of IMD SMPTE vs Level FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Range

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

Range

dBm

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

Range

dBV

Range


Brief information

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



   

Spectrum of IMD CCIF vs Level FiiO Q7 Balanced Out (as headphone amplifier)

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Level

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBm

Range

Your browser does not support Canvas
Graphics setting view
Channel

Shift

dBV

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 FiiO Q7 Balanced Out were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The FiiO Q7 Balanced Out 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.












Original text in Russian page. Translation page is not yet ready

You can help with translation via the: facebook and feedback.




Comments

No comments to FiiO Q7
Commentary view:





Want to leave a comment or ask a question? Register now or log in