Measurement's report Stax SR-303 test and graphs - Reference Audio Analyzer

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Stax SR-303 (report for a pro)



Test report - general data of Stax SR-303 headphone

Frequency response


Graphics setting view
Range, dB:

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


General results
General results Stax SR-303
Channel
Center/Summary
Variation in frequency response in band from 100 Hz to 0,01 kHz, dB
-4,31, 5,57

The table shows a most important technical characteristics of Stax SR-303

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

*impedance value in the table for channel



Test conditions
  • Type of headphones: Over-ear
  • Measurements were performed on the stand:
    • with on the simulator of human head with ears HDM1
  • Headphone's impedance has not been tested
    • The model use internal headphone amplifier
    • Can be used only with special AMP
    • By other reason



Frequency response of Stax SR-303 headphone


Graphics setting view
Range, dB:
Channel:




Table of measured characteristics
Frequency response Stax SR-303
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-3,60, 4,46
-5,24, 6,61

Perception of headphone frequency response curves of equal loudness ISO 226-2009 of Stax SR-303 headphone


Graphics setting view
Channel:




Table of measured characteristics
Perception of headphone frequency response curves of equal loudness ISO 226-2009 from Stax SR-303
Channel
Center/Summary
From level 48 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-8,7, +17,8
From level 36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-7,6, +14,7
From level 24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-6,5, +11,7
From level 12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-5,4, +8,6
From level 0 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-4,3, +5,6
From level -12 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-3,2, +5,2
From level -24 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-4,2, +6,1
From level -36 dB at 72 dB SPL in band 100 Hz to 10 kHz, dB
-5,9, +6,8

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


Close

Measurements of Stax SR-303 were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The Stax SR-303 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



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