HRTF Type 4.3 Experimental

About this report

This is the report of the tested type 4.3 artificial ear - exprimental headphone measurement stand.

Frequency response depending on the angle for the Type 4.3 Experimental stand

Brief information

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

Brief information

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

Recommended target curve: RAA V1 based on HRTF from Type 4.3 Experimental stand

Graphics setting view

Channel

Main target curve

Harman Bass

ISO 226

Brief information

Based on the obtained frequency response at different angles, the target curve

It consists of a base curve and additional correction curves.

Main target curve

Since 2024, all headphones are measured on the head of the founder of the RAA project and in some cases on the head of the owners of the headphones as part of an individual calibration.The stand for live measurements is called both Human + Human identifier. Such a measurement has not yet been performed for HRTF Type 4.3 Experimental, but if possible, such a measurement will be added. Such measurements show the low-frequency and mid-frequency range most accurately, since they take into account the real pressure of the ear pads and damping of the real head. The high-frequency range in this measurement is less accurate, because it depends on the fit of the microphone in the ear.

Correction target curves

If the main target curve depends on the stand, then the correction curves are universal.

ISO226-2009

This is an adjustment for the subjective perception of frequency response when listening at different volumes. Due to this correction, it is possible to determine whether the headphones will be perceived smoothly at high or low volume. Learn more about ISO226-2009.

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

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More detailed

Measurements of HRTF Type 4.3 Experimental were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The HRTF Type 4.3 Experimental 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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