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Manufacturers / Chord

Test report Chord Mojo (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 Chord Mojo

Frequency response


Graphics setting view
Range, dB:
Type test:

Spectrum of Total Harmonic Distortion (THD)

Spectrum of Jitter


Spectrum of Multytone Distortion



General results
General results Chord Mojo
Channel
Center/Summary
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,01, 0,02
Max voltage output at 0 dBFS, VRMS
2,91
Max voltage output at 0 dBFS, dBV
9,28
Max voltage output at 0 dBFS, dBu
11,50
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-107,9
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,000401
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-112,2
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,000245

The table shows the most important technical characteristics Chord Mojo

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



Test conditions


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Type of product :
Mobility :
DAC Test Set :


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Frequency response DAC Chord Mojo


Graphics setting view
Range, dB:
Channel:
Type test:


Brief information
Translation of the description is not yet ready

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


Table
Frequency response Chord Mojo
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,01, 0,01
-0,01, 0,02

Crosstalk DAC Chord Mojo


Graphics setting view
Range, dB:
Channel:


Brief information
Translation of the description is not yet ready

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


Table
Crosstalk Chord Mojo
Crosstalk at the frequency 100 Hz, dB
-108,9
Crosstalk at the frequency 1000 Hz, dB
-109,7
Crosstalk at the frequency 10000 Hz, dB
-102,5

THD vs output voltage of line out Chord Mojo


Graphics setting view
Channel:
Type test:


Brief information
Translation of the description is not yet ready

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


Table
THD vs output voltage of line out Chord_Mojo
Max voltage output at 0 dBFS, VRMS
2,91
Max voltage output at 0 dBFS, dBV
9,28
Max voltage output at 0 dBFS, dBu
11,50


Total Harmonic Distortion vs Level (dBFS)DAC Chord Mojo


Graphics setting view
Channel:
Type test:


Brief information Translation of the description is not yet ready

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

Aliasing DAC Chord Mojo


Graphics setting view
Channel:
Type test:


Brief information
Translation of the description is not yet ready

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

Checking for correctness of reproduction signals depth more than 16-bit from DAC Chord Mojo


Graphics setting view
Channel:
Type test:


Brief information
Translation of the description is not yet ready

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

Spectra of high resolution

Noise floor spectrum DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Scale:


Brief information
Translation of the description is not yet ready

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

Spectrum of Total Harmonic Distortion (THD) DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Level, dBFS:
Scale:


Brief information
Translation of the description is not yet ready

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


Table
Harmonic distortion
Chord_Mojo
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-107,9
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,000401
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-112,2
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,000245




Table
The levels of harmonics when applying signal 1 kHz 0 dBFS
Chord_Mojo
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
0,0
-109,2
-119,6
-123,2
-135,4
-120,5
-130,1
-127,1
-131,5
-131,7
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-135,6
-128,2
-151,6
-139,8
-142,5
-126,2
-141,0
-130,5
-149,6
-132,0


The levels of harmonics when applying signal 1 kHz -3 dBFS
Chord_Mojo
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
-3,0
-120,0
-124,8
-126,8
-127,5
-126,3
-134,9
-127,0
-135,5
-136,2
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-141,4
-128,2
-150,3
-130,2
-143,7
-128,5
-141,1
-128,4
-145,0
-132,2
The data in the tables correspond to by average value of left and right channels

Spectrum of Dynamic Range (-60 dBFS) DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Scale:


Brief information
Translation of the description is not yet ready

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

Sine low ammplitude spectrum -90 dBFS DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Scale:


Brief information
Translation of the description is not yet ready

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

Spectrum of Intermodulation Distortion (IMD) - SMPTE DAC Chord Mojo (High resolution graph)


Graphics setting view
Frequency band, Hz:
Range, dB:
Channel:
Level, dBFS:
Scale:


Brief information
Translation of the description is not yet ready

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

Spectrum of Intermodulation Distortion (IMD) - CCIF DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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

Spectrum of Multytone Distortion DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Level, dBFS:
Type test:


Brief information
Translation of the description is not yet ready

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

Spectrum of Noise Distortion DAC Chord Mojo (High resolution graph)


Graphics setting view
Range, dB:
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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

Spectrum of Jitter DAC Chord Mojo (High resolution graph)


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


Brief information
Translation of the description is not yet ready

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


Table
The accuracy of the playback speed Chord Mojo
Fundamental tone 11025 Hz, Hz
11024,6635
Variance from 11025 Hz, Hz
-0,3365

Spectra vs Amplitude

Total Harmonic Distortion vs Level (dBFS) DAC Chord Mojo


Graphics setting view
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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

Spectrum of IMD SMPTE vs Level (dBFS) DAC Chord Mojo


Graphics setting view
Frequency band, Hz:
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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

Spectrum of IMD CCIF vs Level (dBFS) DAC Chord Mojo


Graphics setting view
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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

Spectrum of Multitone Distortion vs Level (dBFS) DAC Chord Mojo


Graphics setting view
Channel:
Level, dBFS:
Type test:


Brief information
Translation of the description is not yet ready

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

Spectrum of Noise Distortion vs Level (dBFS) DAC Chord Mojo


Graphics setting view
Channel:
Level, dBFS:


Brief information
Translation of the description is not yet ready

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


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

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