Measurement's report PSB M4U 1 - Reference Audio Analyzer

Reports / PSB / M4U 1 - report for a pro

PSB M4U 1 (report for a pro)

Test report - general data PSB M4U 1 headphone

Frequency response, Impedance, Frequency response with standard AMPs

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

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Sensitivity average in band from 100 Hz - 10 kHz118.8dB/V SPL
104.4dB/mW SPL
Impedance average in band from 40 Hz - 15 kHz35.8ohm
For 90 dB SPL, a voltage is required-28.8dBV
0.036VRMS
Taking into account the peak factor of 9 dB for the music signal-19.8 dBV
0.102VRMS
Measurements were performed on the stand:HDM-X






Frequency response and sensitivity headphones PSB M4U 1 headphone

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Channel

Frequency band

Channel:LeftRight
Sensitivity average in band from 100 Hz - 10 kHz119.2 118.3dB/V SPL
Sensitivity average in band from 100 Hz - 10 kHz104.6104.0 dB/mW SPL
Sensitivity at 1 kHz114.4113.7dB/V SPL
Sensitivity at 500 Hz114.2114.9dB/mW SPL


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Frequency response of headphone PSB M4U 1 headphone

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Channel

Range

Frequency band

Smoothing

Channel:LeftRight
Variation in frequency response in band from 100 Hz - 10 kHz -6.4, +7.8-9.6, +5.5dB


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Impedance PSB M4U 1 headphone

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Channel

Frequency band

Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz34.9 36.6ohm
Resistance at 1 kHz34.7 36.6ohm
Resistance at 500 Hz34.2 35.8ohm
The minimum value in band from 40 Hz - 15 kHz34.2 35.6ohm
The maximum value in band from 40 Hz - 15 kHz38.3 39.1ohm


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Electric phase PSB M4U 1 headphone

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Channel

Range

Frequency band

Channel:LeftRight
Phase deviation is the average in the range 40 Hz - 15 kHz2.8 2.6°
Phase at 1 kHz2.4 2.5°
Phase at 500 Hz1.0 1.3°
The minimum value in band from 40 Hz - 15 kHz-0.1 0.0°
The maximum value in band from 40 Hz - 15 kHz15.1 14.4°




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

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Channel

Range

Variation in frequency response in band from 30 Hz - 12 kHz
Channel:LeftRight
Deviation -36.0 dB-11.9, +13.3 (25.2)-9.0, +10.7 (19.7)dB
Deviation -24.0 dB-7.6, +11.4 (19.1)-8.5, +8.8 (17.2)dB
Deviation -12.0 dB-5.7, +9.6 (15.3)-9.3, +6.9 (16.1)dB
Deviation 0.0 dB-6.5, +7.7 (14.2)-10.1, +4.9 (15.1)dB
Deviation 12.0 dB-7.7, +5.9 (13.6)-11.0, +8.1 (19.1)dB
Deviation 24.0 dB-9.5, +9.1 (18.6)-11.9, +12.2 (24.1)dB
Deviation 36.0 dB-11.2, +13.2 (24.4)-12.7, +16.3 (29.1)dB

Variation in frequency response in band from 40 Hz - 1 kHz
Channel:LeftRight
Deviation -36.0 dB-11.9, +13.3 (25.2)-9.0, +10.7 (19.7)dB
Deviation -24.0 dB-7.6, +11.4 (19.1)-8.5, +8.8 (17.2)dB
Deviation -12.0 dB-5.7, +9.6 (15.3)-9.3, +6.9 (16.1)dB
Deviation 0.0 dB-6.5, +7.7 (14.2)-10.1, +4.9 (15.1)dB
Deviation 12.0 dB-7.7, +5.9 (13.6)-11.0, +8.1 (19.1)dB
Deviation 24.0 dB-9.5, +9.1 (18.6)-11.9, +12.2 (24.1)dB
Deviation 36.0 dB-11.2, +13.2 (24.4)-12.7, +16.3 (29.1)dB


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Frequency response PSB M4U 1 headphone when connected to amplifiers with constant output impedance

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Channel

Range

Frequency response

Frequency response of amplifier with constant output resistance 100 Hz - 10 kHz
Channel:LeftRight
PSB M4U 1 + AMP 0 Ω -1.5, +12.6-4.9, +10.2dB
PSB M4U 1 + AMP 10 Ω -1.5, +12.6-4.9, +10.2dB
PSB M4U 1 + AMP 20 Ω -1.5, +12.6-5.0, +10.3dB
PSB M4U 1 + AMP 50 Ω -1.5, +12.8-5.0, +10.3dB
PSB M4U 1 + AMP 100 Ω -1.5, +12.9-5.0, +10.4dB
PSB M4U 1 + AMP 300 Ω -1.5, +13.1-5.0, +10.4dB

Variation in frequency response with amplifiers with constant output resistance @ 100 Hz - 10 kHz
Channel:LeftRight
PSB M4U 1 + AMP 0 Ω 0.00.0dB
PSB M4U 1 + AMP 10 Ω 0.20.2dB
PSB M4U 1 + AMP 20 Ω 0.30.3dB
PSB M4U 1 + AMP 50 Ω 0.60.5dB
PSB M4U 1 + AMP 100 Ω 0.70.6dB
PSB M4U 1 + AMP 300 Ω 0.90.7dB


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Frequency response PSB M4U 1 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies

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Channel

Range

Frequency response

Variation in frequency response in band from 100 Hz - 10 kHz
Channel:LeftRight
PSB M4U 1 + AMP 0 Ω -1.5, +12.6-4.9, +10.2dB
PSB M4U 1 + AMP ➘ 0 Ω -1.5, +12.7-4.9, +10.2dB

Deviation of frequency response @ 40 Hz
Channel:LeftRight
PSB M4U 1 + AMP 0 Ω 0.00.0dB
PSB M4U 1 + AMP ➘ 0 Ω 0.20.2dB


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Impulse response PSB M4U 1 headphone

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Channel

Duration for impulse, envelope and step responses

Waveforms

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Square wave PSB M4U 1 headphone

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