
About service and suite of tests Yamaha EPH-50
Each product is presented by several reports that differ by:
- Difficulty level:
- Professional reports – detailed with graphs and tables
- Simple reports – a description of the characteristics in a simple language
- Summary reports - results of features and functions based on professional reports
Simple reports for "dummies"
About of simple reports
These are simplified reports for poorly versed users in the characteristics and specialized charts. Reports for dummies.
In this report information is presented as simply and clearly as possible. Interpretation of the data is simplified as much as possible. Thus there no subtleties and nuances. This report is sufficient for a general assessment. For a more complete and accurate representation professional reports should be studied.
On-line comparison and selection services for Yamaha EPH-50
Determination of the required voltage level from a headphone amplifier for EPH-50 and comparison with other models A additional analytics of compatibility with specific amplifiers.
Reports for a pro
About of professional reports
These are professional reports for readers who are well qualified in the characteristics and specialized graphs.
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Measurements of Yamaha EPH-50 were carried out by Roman Kuznetsov on the hardware-software complex RAA.
The Yamaha EPH-50 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
Yamaha EPH-50 is available in reports and services. You are on the title page of the reports and services.
Information for entry level users
it is a translation from the Russian language. Original text in Russian page.
You can help us with the correct translation into English.