After testing in the benchmark mode in the Reference Audio Analyzer software, the data is added to the online database of the RAA website.
You can view the test results on the comparison pages
and summary reports for beginners
and professionals. You can go to the desired report or comparison/selection service through the menu on this page. Additionally, you can go to the comparison pages from any graph in this report and add other tested products for direct comparison.
This is a report on compliance with target frequency response curves with recommended equalizer settings for FATFreq Grand Maestro - AO128 Mid on.
You can additionally look for FATFreq Grand Maestro - AO128 Mid on
You can view the test results on the comparison pages
and summary reports for beginners and professionals. You can go to the desired report or comparison/selection service through the menu on this page. Additionally, you can go to the comparison pages from any graph in this report and add other tested products for direct comparison.This is a report on compliance with target frequency response curves with recommended equalizer settings for FATFreq Grand Maestro - AO128 Mid on.
You can additionally look for FATFreq Grand Maestro - AO128 Mid on
- Simple report for dummies with explanations of the main characteristics
- Main professional characteristics report
- Compatibility with amplifier sources
С 2024 года измерения полноразмерных наушников в RAA проводятся не только на инструментальных стендах, но и вживую с помощью разработанной системы в RAA - Live Measurement System. Это позволяет увидеть реальное поведение наушников и их вариативность звучания относительно стандартных стендов. Результаты таких измерений в отчетах обозначаются как со стендов Human. В этом отчете - это:
Т.к. АЧХ зависит от посадки наушников и их прогрева/износа, то в RAA была разработан универсальный комплект Live Measurement System
для контроля своих наушников на собственной голове. Типовые комплекты доступны для приобретения.
Target curves and FATFreq Grand Maestro - AO128 Mid on
Stand: SIEC
Stand: IEC711 Coupler
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Similar to FATFreq Grand Maestro - AO128
Стенд: SIEC
| Name | Deviation of frequency response |
| Etymotic ER-4S 1x pads | 1.14 |
| Etymotic ER-4S 3x pads | 1.25 |
| Dunu Titan 3 | 1.32 |
| LZ Hi-Fi Audio A4 | 1.36 |
| Etymotic ER-4PT Cable 47 ohm | 1.38 |
| 1MORE ComfoBuds Pro | 1.38 |
Выборка из 1113 протестированных моделей через стенд SIEC.
Стенд: IEC711 Coupler
| Name | Deviation of frequency response |
| IMR TITAN Green nozzle Black damper | 1.93 |
| IMR TITAN Silver nozzle Black damper | 2.07 |
| Moondrop Nice buds Thick | 2.53 |
| Tansio Mirai Wind Off-Off-Off | 2.78 |
| AAW Project 4+2 Vocal | 3.74 |
| Tansio Mirai Wind Off-Off-On | 4.03 |
Выборка из 250 протестированных моделей через стенд IEC711 Coupler.
Brief information
Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.
Other summary reports for FATFreq Grand Maestro - AO128 Mid on headphone
More detailed
Measurements of FATFreq Grand Maestro - AO128 Mid on were carried out by Roman Kuznetsov on the hardware-software complex RAA.
The FATFreq Grand Maestro - AO128 Mid on 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.
I believe that it is important to do not make an absolute assessment of the device, but an aggregate assessment when working together with a source amplifier and taking into account external factors. This allows you to effectively reveal the potential of the entire set of devices or to make a more optimal choice of components.
Kuznetsov Roman
Founder of RAA
Information for Authors. You can freely use the graphics in your articles with a link to us.
FATFreq Grand Maestro - AO128 is available in reports and services. You are in a professional report.
Information for entry level users
Information for professionals
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