Measurement's report MEE Audio R1 test and graphs - Reference Audio Analyzer

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MEE Audio R1 (report for a pro)



Test report - general data of MEE Audio R1 headphone

Frequency response, Impedance, Frequency response with standard AMPs


Graphics setting view
Range, dB:

Perception of headphone frequency response curves of equal loudness ISO 226-2009


General results
General results MEE Audio R1
Channel
Center/Summary
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
124,9
Impedance average in band from 40 Hz to 15 kHz, ohm
18,4
For 94,0 dB SPL need, VRMS
0,028
For 94,0 dB SPL need, mW
0,044

The table shows a most important technical characteristics of MEE Audio R1

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



Test conditions
  • Type of headphones: In-Ear or Tablet
  • Measurements were performed on the stand:
    • Solid simulator-bushing SIEC (emulation of auditory channel)



Sensitivity of MEE Audio R1 headphone


Graphics setting view
Channel:




Table of measured characteristics
Sensitivity MEE Audio R1
Channel
Left
Right
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
124,8
125,1
Sensitivity at 500 Hz at 1 V, dB
122,8
122,4
Sensitivity at 500 Hz at 1 mW, dB
105,4
105,1
Sensitivity at 1000 Hz at 1 V, dB
116,2
117,5
Sensitivity at 1000 Hz at 1 mW, dB
98,9
100,2

The sensitivity was calculated by data from the measuring stand SIEC


Frequency response of MEE Audio R1 headphone


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response MEE Audio R1
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-10,61, 10,84
-9,00, 11,97


The RMS variation between the right and left channels
MEE Audio R1 from stand SIEF
Deviation between channels in band 40 Hz to 15 kHz, dB
0,5
Deviation between channels in low-frequency range 40 Hz to 200Гц, дБ
0,3
Deviation between channels in mid-frequency range 200 Hz to 2 kHz, dB
0,5
Deviation between channels in hi-frequency range 2 kHz 15 kHz, dB
0,7

Impedance of MEE Audio R1 headphone


Graphics setting view
Channel:




Table of measured characteristics
Impedance MEE Audio R1
Channel
Left
Right
Impedance average in band from 40 Hz to 15 kHz, ohm
18,4
18,4
Resistance at 500 Hz, ohm
18,3
18,3
Resistance at 1000 Hz, ohm
18,3
18,4
The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
40,6
40,6
The minimum value in band from 40 Hz to 15 kHz, ohm
18,3
18,3
The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
5920,2
6015,8
The maximum value in band from 40 Hz to 15 kHz, ohm
19,1
19,4

Electric phase of MEE Audio R1 headphone


Graphics setting view
Range, degree:
Channel:




Table of measured characteristics
Electric phase MEE Audio R1
Channel
Left
Right
Average variation in phase response in band from 20 Hz to 20 kHz, degree
0,9
0,9
The minimum value in band from 20 Hz to 20 kHz at frequency, Hz
104,5
6211,6
The minimum value in band from 20 Hz to 20 kHz, degree
0,1
-0,3
The maximum value in band from 20 Hz to 20 kHz at frequency, Hz
19682,2
19682,2
The maximum value in band from 20 Hz to 20 kHz, degree
5,7
5,6

Frequency response of MEE Audio R1 headphone when connected to amplifiers with constant output impedance


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response of headphone MEE Audio R1 with amplifier with a constant impedance
Channel
Left
Right
Variation in FR from AMP 0 ohm in band 100 Hz to 10 kHz, dB
-10,61, +10,84
-9,00, +11,97
Variation in FR from AMP 10 ohm in band 100 Hz to 10 kHz, dB
-10,62, +10,94
-9,00, +12,05
Variation in FR from AMP 20 ohm in band 100 Hz to 10 kHz, dB
-10,62, +11,00
-9,01, +12,10
Variation in FR from AMP 50 ohm in band 100 Hz to 10 kHz, dB
-10,63, +11,06
-9,01, +12,17
Variation in FR from AMP 100 ohm in band 100 Hz to 10 kHz, dB
-10,63, +11,10
-9,02, +12,21
Variation in FR from AMP 300 ohm in band 100 Hz to 10 kHz, dB
-10,63, +11,13
-9,02, +12,25

Deviation of frequency response of MEE Audio R1 headphone when connected to amplifiers with constant output impedance


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Variation in frequency response with amplifiers with constant output resistance from MEE Audio R1
Channel
Center/Summary
With amplifier impedance at 10 ohm in band 20 Hz to 20 kHz, dB
0,2
With amplifier impedance at 20 ohm in band 20 Hz to 20 kHz, dB
0,2
With amplifier impedance at 50 ohm in band 20 Hz to 20 kHz, dB
0,3
With amplifier impedance at 100 ohm in band 20 Hz to 20 kHz, dB
0,4
With amplifier impedance at 300 ohm in band 20 Hz to 20 kHz, dB
0,4

*Center channel is received by data averaging between the left and right channels


Frequency response of MEE Audio R1 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response with an amplifier with zero output resistance and raising of output resistance in low frequencies from MEE Audio R1
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-10,47, 10,99
-8,86, 12,12

Deviation of frequency response of MEE Audio R1 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Variance of frequency response MEE Audio R1 depending on the total output resistance of the amplifier with zero resistance and a rise of resistance at low frequencies
Variance frequency response at the frequency 20 Hz, dB
-7,6
Variance frequency response at the frequency 40 Hz, dB
-3,5
Variance frequency response at the frequency 80 Hz, dB
-1,4

Perception of headphone frequency response curves of equal loudness ISO 226-2009 of MEE Audio R1 headphone


Graphics setting view
Channel:




Table of measured characteristics
Perception of headphone frequency response curves of equal loudness ISO 226-2009 from MEE Audio R1
Channel
Center/Summary
From level 48 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-13,8, +20,8
From level 36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-12,7, +17,7
From level 24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-11,7, +14,7
From level 12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,7, +11,6
From level 0 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-9,7, +11,4
From level -12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-8,8, +12,4
From level -24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-7,9, +13,4
From level -36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-7,1, +14,3

*Center channel is received by data averaging between the left and right channels



On-line comparison and selection services for MEE Audio R1

Comparison the frequency response.

Compare the frequency response of the bundles and AMPs.

Comparison of basic characteristics: Sensitivity, Impedance.

Determination of the required voltage level from a headphone amplifier for R1 and comparison with other models A additional analytics of compatibility with specific amplifiers.

Comparing changes in frequency and sound pressure as a function of the applied voltage and a impedance of an amplifier.

The automatic selection of the optimal AMP models from R1.


Close

Measurements of MEE Audio R1 were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The MEE Audio R1 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 source amplifier 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



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