Measurement's report Beyerdynamic DT 770 600 ohm - Reference Audio Analyzer

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Beyerdynamic DT 770 600 ohm (report for a pro)

Test report - general data Beyerdynamic DT 770 600 ohm 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 kHz99.0dB/V SPL
96.6dB/mW SPL
Impedance average in band from 40 Hz - 15 kHz571.0ohm
For 90 dB SPL, a voltage is required-9.0dBV
0.353VRMS
Taking into account the peak factor of 9 dB for the music signal-0.0 dBV
0.995VRMS
Measurements were performed on the stand:HDM1




We tested Beyerdynamic DT 770 600 ohm in 2010~2014 on older HDM1 stand. Now all headphones of this type test on modern HDM-X stand. Frequency response in this report in not precision and it don't compare with frequency response another headphones, which test on HDM-X stand. If possible, we’ll retest those headphones. You can give us Beyerdynamic DT 770 600 ohm and we test its again and will refresh this report.



Frequency response and sensitivity headphones Beyerdynamic DT 770 600 ohm headphone

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Channel:LeftRight
Sensitivity average in band from 100 Hz - 10 kHz98.5 99.5dB/V SPL
Sensitivity average in band from 100 Hz - 10 kHz96.097.1 dB/mW SPL
Sensitivity at 1 kHz97.598.6dB/V SPL
Sensitivity at 500 Hz99.7100.0dB/mW SPL


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Frequency response of headphone Beyerdynamic DT 770 600 ohm headphone

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Range

Smoothing

Channel:LeftRight
Variation in frequency response in band from 100 Hz - 10 kHz -4.1, +12.6-6.0, +9.7dB


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Impedance Beyerdynamic DT 770 600 ohm headphone

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Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz571.0 571.0ohm
Resistance at 1 kHz538.7 538.7ohm
Resistance at 500 Hz556.5 556.5ohm
The minimum value in band from 40 Hz - 15 kHz534.8 534.8ohm
The maximum value in band from 40 Hz - 15 kHz633.3 633.3ohm


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Electric phase Beyerdynamic DT 770 600 ohm headphone

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Range

Channel:LeftRight
Phase deviation is the average in the range 40 Hz - 15 kHz-0.6 -0.6°
Phase at 1 kHz-2.0 -2.0°
Phase at 500 Hz-3.7 -3.7°
The minimum value in band from 40 Hz - 15 kHz-4.3 -4.3°
The maximum value in band from 40 Hz - 15 kHz4.3 4.3°




Brief information

Clicking on the graph will take you to the comparison page of different headphone models with advanced graph display settings.



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-20.2, +15.7 (36.0)-22.0, +14.8 (36.8)dB
Deviation -24.0 dB-16.0, +14.8 (30.9)-17.8, +13.4 (31.2)dB
Deviation -12.0 dB-11.8, +14.0 (25.8)-13.6, +12.0 (25.6)dB
Deviation 0.0 dB-7.6, +13.2 (20.8)-9.4, +10.7 (20.1)dB
Deviation 12.0 dB-5.4, +12.4 (17.8)-6.9, +9.4 (16.3)dB
Deviation 24.0 dB-7.3, +11.6 (19.0)-8.8, +8.2 (17.0)dB
Deviation 36.0 dB-9.2, +10.9 (20.1)-10.7, +7.9 (18.6)dB

Variation in frequency response in band from 40 Hz - 1 kHz
Channel:LeftRight
Deviation -36.0 dB-20.2, +15.7 (36.0)-22.0, +14.8 (36.8)dB
Deviation -24.0 dB-16.0, +14.8 (30.9)-17.8, +13.4 (31.2)dB
Deviation -12.0 dB-11.8, +14.0 (25.8)-13.6, +12.0 (25.6)dB
Deviation 0.0 dB-7.6, +13.2 (20.8)-9.4, +10.7 (20.1)dB
Deviation 12.0 dB-5.4, +12.4 (17.8)-6.9, +9.4 (16.3)dB
Deviation 24.0 dB-7.3, +11.6 (19.0)-8.8, +8.2 (17.0)dB
Deviation 36.0 dB-9.2, +10.9 (20.1)-10.7, +7.9 (18.6)dB


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Frequency response Beyerdynamic DT 770 600 ohm 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
Beyerdynamic DT 770 600 ohm + AMP 0 Ω -3.1, +13.5-5.0, +10.6dB
Beyerdynamic DT 770 600 ohm + AMP 10 Ω -3.1, +13.5-5.0, +10.6dB
Beyerdynamic DT 770 600 ohm + AMP 20 Ω -3.1, +13.5-5.0, +10.6dB
Beyerdynamic DT 770 600 ohm + AMP 50 Ω -3.1, +13.5-5.0, +10.6dB
Beyerdynamic DT 770 600 ohm + AMP 100 Ω -3.1, +13.5-5.0, +10.7dB
Beyerdynamic DT 770 600 ohm + AMP 300 Ω -3.1, +13.6-5.0, +10.7dB

Variation in frequency response with amplifiers with constant output resistance @ 100 Hz - 10 kHz
Channel:LeftRight
Beyerdynamic DT 770 600 ohm + AMP 0 Ω 0.00.0dB
Beyerdynamic DT 770 600 ohm + AMP 10 Ω 0.00.0dB
Beyerdynamic DT 770 600 ohm + AMP 20 Ω 0.00.0dB
Beyerdynamic DT 770 600 ohm + AMP 50 Ω 0.10.1dB
Beyerdynamic DT 770 600 ohm + AMP 100 Ω 0.20.2dB
Beyerdynamic DT 770 600 ohm + AMP 300 Ω 0.50.5dB


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Frequency response Beyerdynamic DT 770 600 ohm 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
Beyerdynamic DT 770 600 ohm + AMP 0 Ω -3.1, +13.5-5.0, +10.6dB
Beyerdynamic DT 770 600 ohm + AMP ➘ 0 Ω -3.1, +13.5-5.0, +10.6dB

Deviation of frequency response @ 40 Hz
Channel:LeftRight
Beyerdynamic DT 770 600 ohm + AMP 0 Ω 0.00.0dB
Beyerdynamic DT 770 600 ohm + AMP ➘ 0 Ω 0.00.0dB


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Measurements of Beyerdynamic DT 770 600 ohm were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The Beyerdynamic DT 770 600 ohm 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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