Measurement's report Sennheiser HD 650 - Reference Audio Analyzer

Reports / Sennheiser / HD 650 - report for a pro

Sennheiser HD 650 (report for a pro)

Test report - general data Sennheiser HD 650 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 kHz105.7dB/V SPL
101.1dB/mW SPL
Impedance average in band from 40 Hz - 15 kHz344.9ohm
For 90 dB SPL, a voltage is required-15.7dBV
0.164VRMS
Taking into account the peak factor of 9 dB for the music signal-6.7 dBV
0.462VRMS
Measurements were performed on the stand:HDM-X






Frequency response and sensitivity headphones Sennheiser HD 650 headphone

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Channel

Frequency band

Channel:LeftRight
Sensitivity average in band from 100 Hz - 10 kHz105.1 106.2dB/V SPL
Sensitivity average in band from 100 Hz - 10 kHz100.5101.6 dB/mW SPL
Sensitivity at 1 kHz103.2105.2dB/V SPL
Sensitivity at 500 Hz103.5105.5dB/mW SPL


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Frequency response of headphone Sennheiser HD 650 headphone

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Channel

Range

Frequency band

Smoothing

Channel:LeftRight
Variation in frequency response in band from 100 Hz - 10 kHz -9.1, +5.9-13.3, +4.5dB


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Impedance Sennheiser HD 650 headphone

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Channel

Frequency band

Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz345.8 344.0ohm
Resistance at 1 kHz308.6 306.6ohm
Resistance at 500 Hz324.4 321.1ohm
The minimum value in band from 40 Hz - 15 kHz304.2 302.5ohm
The maximum value in band from 40 Hz - 15 kHz439.7 443.7ohm


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Electric phase Sennheiser HD 650 headphone

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Channel

Range

Frequency band

Channel:LeftRight
Phase deviation is the average in the range 40 Hz - 15 kHz0.1 0.0degree
Phase at 1 kHz-3.6 -3.4degree
Phase at 500 Hz-7.0 -6.9degree
The minimum value in band from 40 Hz - 15 kHz-9.4 -9.8degree
The maximum value in band from 40 Hz - 15 kHz11.9 12.3degree




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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-15.8, +12.6 (28.3)-14.7, +11.1 (25.8)dB
Deviation -24.0 dB-11.6, +10.6 (22.2)-10.6, +9.2 (19.8)dB
Deviation -12.0 dB-7.4, +8.7 (16.1)-11.5, +7.2 (18.8)dB
Deviation 0.0 dB-8.3, +6.8 (15.0)-12.5, +5.3 (17.8)dB
Deviation 12.0 dB-9.1, +4.9 (14.0)-13.5, +4.4 (18.0)dB
Deviation 24.0 dB-10.0, +6.3 (16.3)-14.6, +7.3 (21.9)dB
Deviation 36.0 dB-10.9, +9.6 (20.5)-15.6, +10.6 (26.1)dB

Variation in frequency response in band from 40 Hz - 1 kHz
Channel:LeftRight
Deviation -36.0 dB-15.8, +12.6 (28.3)-14.7, +11.1 (25.8)dB
Deviation -24.0 dB-11.6, +10.6 (22.2)-10.6, +9.2 (19.8)dB
Deviation -12.0 dB-7.4, +8.7 (16.1)-11.5, +7.2 (18.8)dB
Deviation 0.0 dB-8.3, +6.8 (15.0)-12.5, +5.3 (17.8)dB
Deviation 12.0 dB-9.1, +4.9 (14.0)-13.5, +4.4 (18.0)dB
Deviation 24.0 dB-10.0, +6.3 (16.3)-14.6, +7.3 (21.9)dB
Deviation 36.0 dB-10.9, +9.6 (20.5)-15.6, +10.6 (26.1)dB


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Frequency response Sennheiser HD 650 headphone when connected to amplifiers with constant output impedance

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Channel

Range

Frequency response

Variation in frequency response in band from 100 Hz - 10 kHz
Channel:LeftRight
0.1 ohm @ Sennheiser HD 650 + Topping EX5 Hi Gain -7.3, +7.7-12.3, +5.5dB
10.1 ohm @ Sennheiser HD 650 + ASUS Essence One -7.2, +7.8-12.3, +5.5dB
22.1 ohm @ Sennheiser HD 650 + E-MU 1616m -7.2, +7.8-12.3, +5.5dB
50.0 ohm @ Sennheiser HD 650 + Behringer MicroAmp Ha400 -11.2, +4.3-16.2, +3.0dB
98.7 ohm @ Sennheiser HD 650 + ASUS STRIX RAID PRO Hi -7.2, +7.8-12.3, +5.5dB
298.5 ohm @ Sennheiser HD 650 + Gigabyte GA-A75-UD4H Realtek ALC889A -7.0, +7.7-12.1, +5.5dB

Variation in frequency response with amplifiers with constant output resistance @ 100 Hz - 10 kHz
Channel:LeftRight
0.1 ~ 0 ohm @ Sennheiser HD 650 + Topping EX5 Hi Gain 0.00.0dB
10.1 ~ 0 ohm @ Sennheiser HD 650 + ASUS Essence One 0.40.4dB
22.1 ~ 0 ohm @ Sennheiser HD 650 + E-MU 1616m 0.80.8dB
50.0 ~ 0 ohm @ Sennheiser HD 650 + Behringer MicroAmp Ha400 1.51.5dB
98.7 ~ 0 ohm @ Sennheiser HD 650 + ASUS STRIX RAID PRO Hi 3.13.1dB
298.5 ~ 0 ohm @ Sennheiser HD 650 + Gigabyte GA-A75-UD4H Realtek ALC889A 7.37.4dB


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Frequency response Sennheiser HD 650 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
Sennheiser HD 650 + Topping EX5 Hi Gain -7.3, +7.7-12.3, +5.5dB
Sennheiser HD 650 + Colorful Colorfly C4 Pro Jack 6.3 -7.3, +7.7-12.3, +5.5dB

Deviation of frequency response @ 40 Hz
Channel:LeftRight
Sennheiser HD 650 + Topping EX5 Hi Gain 0.00.0dB
Sennheiser HD 650 + Colorful Colorfly C4 Pro Jack 6.3 0.40.4dB


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Impulse response Sennheiser HD 650 headphone

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Channel

Duration for impulse, envelope and step responses

Waveforms

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Square wave Sennheiser HD 650 headphone

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