About service and suite of tests Beyerdynamic DT 990 Pro 250 ohm
Each product is presented by several reports that differ by:
- Difficulty level:
- Simple reports – a description of the characteristics in a simple language
- Professional reports – detailed with graphs and tables
- Summary reports - results of features and functions based on professional 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.
About of professional reports
These are professional reports for readers who are well qualified in the characteristics and specialized graphs.
Beyerdynamic DT 990 Pro 250 ohm is available in reports and services. You are on the title page of the reports and services.
Information for entry level users
reports for a newbie (Headphones)
Information for all
Versus of characteristics
Information for professionals
reports for a pro (Headphones)
- Comparison the frequency response
- Electric phase
- QSD / Watterfall
- Comparison of the frequency response/SPL of the bundles of headphones and amplifiers
- Voltage and Sensitivity
- Frequency response and SPL depending on the parameters of the amplifier
- Impulse, Envelope, Step responses and Square wave