Measurement's report Periodic Audio Be test and graphs - Reference Audio Analyzer

Reports / Periodic Audio / Be / report for a pro

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Periodic Audio Be (report for a pro)



Test report - general data of Periodic Audio Be headphone

Frequency response, Impedance, Frequency response with standard AMPs


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Frequency band, Hz:
Range, dB:

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


General results
General results Periodic Audio Be
Channel
Center/Summary
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
130,6
Impedance average in band from 40 Hz to 15 kHz, ohm
34,9
For 94,0 dB SPL need, VRMS
0,015
For 94,0 dB SPL need, mW
0,006

The table shows a most important technical characteristics of Periodic Audio Be

*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 Periodic Audio Be headphone


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Frequency band, Hz:
Channel:




Table of measured characteristics
Sensitivity Periodic Audio Be
Channel
Left
Right
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
130,7
130,4
Sensitivity at 500 Hz at 1 V, dB
131,1
129,4
Sensitivity at 500 Hz at 1 mW, dB
116,4
114,7
Sensitivity at 1000 Hz at 1 V, dB
127,2
127,2
Sensitivity at 1000 Hz at 1 mW, dB
112,6
112,6

The sensitivity was calculated by data from the measuring stand SIEC


Frequency response of Periodic Audio Be headphone


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Frequency band, Hz:
Range, dB:
Channel:




Table of measured characteristics
Frequency response Periodic Audio Be
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-11,37, 5,42
-10,46, 4,34


The RMS variation between the right and left channels
Periodic Audio Be from stand SIEC
Deviation between channels in band 40 Hz to 15 kHz, dB
0,7
Deviation between channels in low-frequency range 40 Hz to 200Гц, дБ
0,5
Deviation between channels in mid-frequency range 200 Hz to 2 kHz, dB
0,6
Deviation between channels in hi-frequency range 2 kHz 15 kHz, dB
0,8

Impedance of Periodic Audio Be headphone


Graphics setting view
Frequency band, Hz:
Channel:




Table of measured characteristics
Impedance Periodic Audio Be
Channel
Left
Right
Impedance average in band from 40 Hz to 15 kHz, ohm
34,7
35,1
Resistance at 500 Hz, ohm
34,5
34,7
Resistance at 1000 Hz, ohm
34,7
34,9
The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
50,1
50,1
The minimum value in band from 40 Hz to 15 kHz, ohm
33,7
34,0
The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
2332,7
2373,2
The maximum value in band from 40 Hz to 15 kHz, ohm
37,9
39,0

Electric phase of Periodic Audio Be headphone


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Frequency band, Hz:
Range, degree:
Channel:




Table of measured characteristics
Electric phase Periodic Audio Be
Channel
Left
Right
Average variation in phase response in band from 20 Hz to 20 kHz, degree
2,0
2,0
The minimum value in band from 20 Hz to 20 kHz at frequency, Hz
2968,7
2918,0
The minimum value in band from 20 Hz to 20 kHz, degree
-1,7
-2,4
The maximum value in band from 20 Hz to 20 kHz at frequency, Hz
19741,4
19741,4
The maximum value in band from 20 Hz to 20 kHz, degree
10,9
10,7

Frequency response of Periodic Audio Be headphone when connected to amplifiers with constant output impedance


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Frequency band, Hz:
Range, dB:
Channel:




Table of measured characteristics
Frequency response of headphone Periodic Audio Be with amplifier with a constant impedance
Channel
Left
Right
Variation in FR from AMP 0 ohm in band 100 Hz to 10 kHz, dB
-11,37, +5,42
-10,46, +4,34
Variation in FR from AMP 10 ohm in band 100 Hz to 10 kHz, dB
-11,38, +5,37
-10,47, +4,30
Variation in FR from AMP 20 ohm in band 100 Hz to 10 kHz, dB
-11,39, +5,34
-10,48, +4,28
Variation in FR from AMP 50 ohm in band 100 Hz to 10 kHz, dB
-11,40, +5,29
-10,49, +4,23
Variation in FR from AMP 100 ohm in band 100 Hz to 10 kHz, dB
-11,41, +5,26
-10,50, +4,20
Variation in FR from AMP 300 ohm in band 100 Hz to 10 kHz, dB
-11,42, +5,23
-10,51, +4,18

Deviation of frequency response of Periodic Audio Be headphone when connected to amplifiers with constant output impedance


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




Table of measured characteristics
Variation in frequency response with amplifiers with constant output resistance from Periodic Audio Be
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
0,4
With amplifier impedance at 50 ohm in band 20 Hz to 20 kHz, dB
0,6
With amplifier impedance at 100 ohm in band 20 Hz to 20 kHz, dB
0,8
With amplifier impedance at 300 ohm in band 20 Hz to 20 kHz, dB
1,0

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


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


Graphics setting view
Frequency band, Hz:
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 Periodic Audio Be
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-11,28, 4,94
-10,37, 3,92

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


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




Table of measured characteristics
Variance of frequency response Periodic Audio Be 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
-4,9
Variance frequency response at the frequency 40 Hz, dB
-2,0
Variance frequency response at the frequency 80 Hz, dB
-0,8

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


Graphics setting view
Channel:




Table of measured characteristics
Perception of headphone frequency response curves of equal loudness ISO 226-2009 from Periodic Audio Be
Channel
Center/Summary
From level 48 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,4, +17,1
From level 36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,5, +14,0
From level 24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,7, +11,0
From level 12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,8, +7,9
From level 0 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-10,9, +4,9
From level -12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-11,1, +4,1
From level -24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-11,2, +4,8
From level -36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-11,2, +5,6

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


Impulse response of Periodic Audio Be headphone


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Time, ms:
Channel:



Impulse Response Envelope (ETC - Energy Time Curve) of Periodic Audio Be headphone


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Range, dB:
Channel:



Step response of Periodic Audio Be headphone


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Channel:





Square wave of Periodic Audio Be headphone

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