04
2012-Jan
Measurements KOSS Porta ProNick Name: Golden Ears Registered Date: Jan 04, 2012, 23:51:35 IP ADRESS: *.56.123.5 Views: 8791
* 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.
Red:Right, Blue:Left
Diffuse Sound Field Equalization + The small room X-Curve Compensation
for more information : How we measure (Earphones, Headphones)
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.
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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- 00.KOSS_Porta_Pro_measure.jpg [File Size:41.6KB/Download:4]
- 06.TB_KOSS_PortaPro.png [File Size:24.9KB/Download:4]
- 01.FR_KOSS_PortaPro.png [File Size:42.9KB/Download:5]
- 02.SR_KOSS_PortaPro.png [File Size:32.8KB/Download:4]
- 03.IR_KOSS_PortaPro.png [File Size:34.2KB/Download:6]
- 04.CSD_KOSS_PortaPro.png [File Size:74.9KB/Download:4]
- 05.IG_KOSS_PortaPro.png [File Size:44.3KB/Download:3]
