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04

2012-Jan

Measurements KOSS Porta Pro

Nick Name: Golden Ears Registered Date: Jan 04, 2012, 23:51:35 IP ADRESS: *.56.123.5 Views: 26629

00.KOSS_Porta_Pro_measure.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.FR_KOSS_PortaPro.png

Red:Right, Blue:Left

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

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

 

   

Step Response

 

 02.SR_KOSS_PortaPro.png

  

 

Impulse Response

 

 03.IR_KOSS_PortaPro.png

 

 

Cumulative Spectral Decay

 

 04.CSD_KOSS_PortaPro.png

 

 

Impulse Phase

 

 05.IG_KOSS_PortaPro.png

 

 

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_KOSS_PortaPro.png

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