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      Test report - general data of

      Frequency response, Impedance, Frequency response with standard AMPs


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

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


      General results
      General results None None None
      Channel
      Summary (Right + Left)
      Sensitivity average in band from 100 Hz to 10 kHz, dB/V
      121,9
      Impedance average in band from 40 Hz to 15 kHz, ohm
      45,5
      For 94,0 dB SPL need, VRMS
      0,040
      For 94,0 dB SPL need, mW
      0,035

      The table shows a most important technical characteristics of None None None

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



      Test conditions
      • Type of headphones: Over-ear
      • Measurements were performed on the stand:
        • with on the simulator of human head with ears HDM-X with natural acoustic damping

      

      Sensitivity of


      Graphics setting view
      Frequency band, Hz:
      Channel:




      Table of measured characteristics
      Sensitivity None None None
      Channel
      Left
      Right
      Sensitivity average in band from 100 Hz to 10 kHz, dB/V
      121,7
      122,0
      Sensitivity at 500 Hz at 1 V, dB
      120,1
      119,8
      Sensitivity at 500 Hz at 1 mW, dB
      106,4
      106,0
      Sensitivity at 1000 Hz at 1 V, dB
      123,1
      123,8
      Sensitivity at 1000 Hz at 1 mW, dB
      109,3
      110,0

      The sensitivity was calculated by data from the measuring stand HDM-X


      Frequency response of


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




      Table of measured characteristics
      Frequency response None None None
      Channel
      Left
      Right
      Variation in frequency response in band from 100 Hz to 10 kHz, dB
      -12,67, 4,05
      -4,88, 3,85

      Impedance of


      Graphics setting view
      Frequency band, Hz:
      Channel:




      Table of measured characteristics
      Impedance None None None
      Channel
      Left
      Right
      Impedance average in band from 40 Hz to 15 kHz, ohm
      45,5
      45,4
      Resistance at 500 Hz, ohm
      42,0
      42,2
      Resistance at 1000 Hz, ohm
      41,5
      41,6
      The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
      6015,3
      6226,1
      The minimum value in band from 40 Hz to 15 kHz, ohm
      40,8
      40,9
      The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
      84,0
      85,4
      The maximum value in band from 40 Hz to 15 kHz, ohm
      64,5
      64,5

      Electric phase of


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




      Table of measured characteristics
      Electric phase None None None
      Channel
      Left
      Right
      Average variation in phase response in band from 20 Hz to 20 kHz, degree
      0,9
      0,8
      The minimum value in band from 20 Hz to 20 kHz at frequency, Hz
      133,7
      138,4
      The minimum value in band from 20 Hz to 20 kHz, degree
      -11,1
      -10,8
      The maximum value in band from 20 Hz to 20 kHz at frequency, Hz
      55,5
      57,5
      The maximum value in band from 20 Hz to 20 kHz, degree
      14,6
      14,9

      Frequency response of when connected to amplifiers with constant output impedance


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




      Table of measured characteristics
      Frequency response of headphone None None None with amplifier with a constant impedance
      Channel
      Left
      Right
      Variation in FR from AMP 0 ohm in band 100 Hz to 10 kHz, dB
      -12,67, +4,05
      -4,88, +3,85
      Variation in FR from AMP 10 ohm in band 100 Hz to 10 kHz, dB
      -12,77, +4,52
      -4,95, +3,79
      Variation in FR from AMP 20 ohm in band 100 Hz to 10 kHz, dB
      -12,84, +4,86
      -5,00, +3,75
      Variation in FR from AMP 50 ohm in band 100 Hz to 10 kHz, dB
      -12,97, +5,47
      -5,08, +3,68
      Variation in FR from AMP 100 ohm in band 100 Hz to 10 kHz, dB
      -13,06, +5,95
      -5,14, +4,08
      Variation in FR from AMP 300 ohm in band 100 Hz to 10 kHz, dB
      -13,16, +6,50
      -5,22, +4,65

      Deviation of frequency response of 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 None None None
      Channel
      Summary (Right + Left)
      With amplifier impedance at 10 ohm in band 20 Hz to 20 kHz, dB
      0,6
      With amplifier impedance at 20 ohm in band 20 Hz to 20 kHz, dB
      1,1
      With amplifier impedance at 50 ohm in band 20 Hz to 20 kHz, dB
      2,0
      With amplifier impedance at 100 ohm in band 20 Hz to 20 kHz, dB
      2,6
      With amplifier impedance at 300 ohm in band 20 Hz to 20 kHz, dB
      3,4

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


      Frequency response of 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 None None None
      Channel
      Left
      Right
      Variation in frequency response in band from 100 Hz to 10 kHz, dB
      -12,61, 3,78
      -4,82, 3,90

      Deviation of frequency response of 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 None None None 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
      -4,3
      Variance frequency response at the frequency 40 Hz, dB
      -1,6
      Variance frequency response at the frequency 80 Hz, dB
      -0,4

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


      Graphics setting view
      Channel:




      Table of measured characteristics
      Perception of headphone frequency response curves of equal loudness ISO 226-2009 from None None None
      Channel
      Summary (Right + Left)
      From level 48 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -9,9, +15,3
      From level 36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -9,4, +12,2
      From level 24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -8,8, +9,1
      From level 12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -8,2, +6,1
      From level 0 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -7,7, +3,3
      From level -12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -7,2, +4,2
      From level -24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -6,6, +5,1
      From level -36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
      -6,2, +6,0

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


      Impulse response of


      Graphics setting view
      Time, ms:
      Channel:



      Impulse Response Envelope (ETC - Energy Time Curve) of


      Graphics setting view
      Time, ms:
      Range, dB:
      Channel:



      Step response of


      Graphics setting view
      Time, ms:
      Channel:



      

      QSD / Watterfall of


      Graphics setting view
      Frequency band, Hz:
      Channel:



      Delta QSD / Delta Watterfall of


      Graphics setting view
      Frequency band, Hz:
      Channel:



      


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

      The 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.




      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.




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