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2013-Jul

Measurements Etymotic Research ER-4PT

Nick Name: Golden Ears Registered Date: Jul 17, 2013, 17:11:04 IP ADRESS: *.56.123.5 Views: 21342

   00.Etymotic Research_ ER-4PT.jpg  

 

 

Related Articles

 * Golden Ears Philosophy

 * How we measure (Earphones, Headphones)

 * Golden Ears Measurements F.A.Q.

 * About the Golden Ears Recommendation Index (G.E.R.I.)

 * How to read measurements - Earphones, Headphones

 * Frequency response & perceived sound 

 

Note.

Please keep in mind that the following data are from a test unit reviewed by Golden Ears - the test unit is not necessarily a representative sample of the model being reviewed.

 

Frequency Response

 

   01.FRP_Etymotic Research_ER-4PT(3-Flange).png

Eartip: 3-Flange / Blue:Left, Green:Right

<Subjectively Percieved Tonal Balance>

Diffuse Sound Field Equalization + The small room X-Curve Compensation + Bass Compensation

for more information : How we measure (Earphones, Headphones)

  

    01.FRM_Etymotic Research_ER-4PT(3-Flange).png

Eartip: 3-Flange / Blue:Left, Green:Right

<Raw Data from Ear Simulator>

 

       01.FRP_Etymotic Research_ER-4PT(Glider Tip) .png

Eartip: Glider Tip / Blue:Left, Green:Right

<Subjectively Percieved Tonal Balance>

Diffuse Sound Field Equalization + The small room X-Curve Compensation + Bass Compensation

for more information : How we measure (Earphones, Headphones)

  

     01.FRM_Etymotic Research_ER-4PT(Glider Tip).png

Eartip: Glider Tip / Blue:Left, Green:Right

<Raw Data from Ear Simulator>

 

    01.FRP_Etymotic Research_ER-4PT(Foam Tip).png

Eartip: Foam Tip / Blue:Left, Green:Right

<Subjectively Percieved Tonal Balance>

Diffuse Sound Field Equalization + The small room X-Curve Compensation + Bass Compensation

for more information : How we measure (Earphones, Headphones)

  

   01.FRM_Etymotic Research_ER-4PT(Foam Tip).png

Eartip: Foam Tip / Blue:Left, Green:Right

<Raw Data from Ear Simulator>

 

01.EQ_Etymotic Research_ER-4PT.png

Eartip: 3-Flange / Blue: After modification by Accudio™ / Green: Before modification

<Power-Average of Left and Right>

 more infomation on Accudio™

 

    

Step Response

 

02.SR_Etymotic_Research_ER-4PT.png     

 Eartip: 3-Flange

  

 

Impulse Response

 

               03.IR_Etymotic_Research_ER-4PT.png   

Eartip: 3-Flange 

  

 

Cumulative Spectral Decay

 

      04.CSD_Etymotic_Research_ER-4PT.png         

 Eartip: 3-Flange

 

  

Impulse Phase

 

               05.IG_Etymotic_Research_ER-4PT.png

  Eartip: 3-Flange

 

 

Reviewer's Opinion

Note.

The following chart is an expression of the reviewer's opinion on this product's measured data and perceived sound, and may include bias from using the Golden Ears reference unit as a standard.

 

06.TB_Etymotic Research_ ER-4PT.png  

  Eartip: 3-Flange   

 Creative Commons License
Images, text and measured data by Golden Ears Corporation is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

 

Golden Ears Test System - for more information (Link)
1. HATS: Bruel & Kjær - Head and Torso Simulator Type 4128C
2. Microphone Amplifier: Bruel & Kjær - NEXUS Conditioning Amplifier 
3. Audio Interface: Lynx L22
4. DAC: Golden Ears D/A Converter
5. Headphone Amplifier: Golden Ears Headphone Amplifier 

How we test
1. Headphone / Earphone
2. Speaker
3. Amplifier / DAP
 

How to read G.E. Graph
1. Earphone / Headphone
2. Speaker (Directivity Pattern)
3. DAP / Amplifier

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