Measurement's report Denon AH-D7000 test and graphs - Reference Audio Analyzer
Denon AH-D7000



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Denon AH-D7000 (report for a pro)



Test report - general data of Denon AH-D7000 headphone

Frequency response, Impedance, Frequency response with standard AMPs


Graphics setting view
Range, dB:

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


General results
General results Denon AH-D7000
Channel
Center/Summary
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
115,5
Impedance average in band from 40 Hz to 15 kHz, ohm
25,2
For 94,0 dB SPL need, VRMS
0,084
For 94,0 dB SPL need, mW
0,279

The table shows a most important technical characteristics of Denon AH-D7000

*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 HDM1



Sensitivity of Denon AH-D7000 headphone


Graphics setting view
Channel:




Table of measured characteristics
Sensitivity Denon AH-D7000
Channel
Left
Right
Sensitivity average in band from 100 Hz to 10 kHz, dB/V
115,5
115,6
Sensitivity at 500 Hz at 1 V, dB
113,1
114,8
Sensitivity at 500 Hz at 1 mW, dB
97,0
98,8
Sensitivity at 1000 Hz at 1 V, dB
114,5
115,6
Sensitivity at 1000 Hz at 1 mW, dB
98,4
99,5

The sensitivity was calculated by data from the measuring stand HDM1


Frequency response of Denon AH-D7000 headphone


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response Denon AH-D7000
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-4,37, 7,84
-3,47, 5,92

Impedance of Denon AH-D7000 headphone


Graphics setting view
Channel:




Table of measured characteristics
Impedance Denon AH-D7000
Channel
Left
Right
Impedance average in band from 40 Hz to 15 kHz, ohm
25,2
25,2
Resistance at 500 Hz, ohm
24,7
24,7
Resistance at 1000 Hz, ohm
24,6
24,6
The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
6413,8
6413,8
The minimum value in band from 40 Hz to 15 kHz, ohm
24,4
24,4
The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
40,6
40,6
The maximum value in band from 40 Hz to 15 kHz, ohm
29,0
29,0

Electric phase of Denon AH-D7000 headphone


Graphics setting view
Range, degree:
Channel:




Table of measured characteristics
Electric phase Denon AH-D7000
Channel
Left
Right
Average variation in phase response in band from 20 Hz to 20 kHz, degree
0,2
0,2
The minimum value in band from 20 Hz to 20 kHz at frequency, Hz
55,1
55,1
The minimum value in band from 20 Hz to 20 kHz, degree
-4,9
-4,9
The maximum value in band from 20 Hz to 20 kHz at frequency, Hz
19682,2
19682,2
The maximum value in band from 20 Hz to 20 kHz, degree
9,3
9,3

Frequency response of Denon AH-D7000 headphone when connected to amplifiers with constant output impedance


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response of headphone Denon AH-D7000 with amplifier with a constant impedance
Channel
Left
Right
Variation in FR from AMP 0 ohm in band 100 Hz to 10 kHz, dB
-4,37, +7,84
-3,47, +5,92
Variation in FR from AMP 10 ohm in band 100 Hz to 10 kHz, dB
-4,39, +7,81
-3,48, +5,89
Variation in FR from AMP 20 ohm in band 100 Hz to 10 kHz, dB
-4,40, +7,79
-3,49, +5,87
Variation in FR from AMP 50 ohm in band 100 Hz to 10 kHz, dB
-4,42, +7,76
-3,49, +5,84
Variation in FR from AMP 100 ohm in band 100 Hz to 10 kHz, dB
-4,42, +7,75
-3,50, +5,82
Variation in FR from AMP 300 ohm in band 100 Hz to 10 kHz, dB
-4,43, +7,73
-3,50, +5,81

Deviation of frequency response of Denon AH-D7000 headphone when connected to amplifiers with constant output impedance


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Variation in frequency response with amplifiers with constant output resistance from Denon AH-D7000
Channel
Center/Summary
With amplifier impedance at 10 ohm in band 20 Hz to 20 kHz, dB
0,5
With amplifier impedance at 20 ohm in band 20 Hz to 20 kHz, dB
0,8
With amplifier impedance at 50 ohm in band 20 Hz to 20 kHz, dB
1,2
With amplifier impedance at 100 ohm in band 20 Hz to 20 kHz, dB
1,5
With amplifier impedance at 300 ohm in band 20 Hz to 20 kHz, dB
1,7

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


Frequency response of Denon AH-D7000 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies


Graphics setting view
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 Denon AH-D7000
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-4,26, 7,95
-3,36, 6,03

Deviation of frequency response of Denon AH-D7000 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Variance of frequency response Denon AH-D7000 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
-5,6
Variance frequency response at the frequency 40 Hz, dB
-2,3
Variance frequency response at the frequency 80 Hz, dB
-1,0

Perception of headphone frequency response curves of equal loudness ISO 226-2009 of Denon AH-D7000 headphone


Graphics setting view
Channel:




Table of measured characteristics
Perception of headphone frequency response curves of equal loudness ISO 226-2009 from Denon AH-D7000
Channel
Center/Summary
From level 48 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-7,9, +13,6
From level 36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-6,8, +10,5
From level 24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-5,7, +7,4
From level 12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-4,6, +6,3
From level 0 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-3,5, +6,9
From level -12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-2,4, +7,5
From level -24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-4,5, +8,1
From level -36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-7,3, +8,6

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



On-line comparison and selection services for Denon AH-D7000

Comparison the frequency response.
The Denon AH-D7000 was tested for a long time at the stands of the last generation and does not participate in comparison. If possible, we will re-test the Denon AH-D7000 on modern stands.
Compare the frequency response of a bundle of headphones and amplifiers.
The Denon AH-D7000 was tested for a long time at the stands of the last generation and does not participate in comparison. If possible, we will re-test the Denon AH-D7000 on modern stands.

Compare the sensitivity and impedance Denon AH-D7000 versus other models.

The automatic selection of the optimal AMP models from Denon AH-D7000 from the measured power parameters of the amplifying part and the measured parameters of the headphones for different purpose of use.

Сравнение АЧХ и звукового давления Denon AH-D7000 в зависимости от подаваемого напряжения и импеданса усилителя.







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