The miniDSP EARS test rig is an excellent choice for measuring headphones for two reasons: it’s affordable and easy to use. Unlike expensive professional measurement rigs, the EARS is budget-friendly and readily available, making it popular among headphone enthusiasts.
To ensure valuable and comparable measurements, it’s essential to set realistic expectations and be transparent about the methodology. We’ll break down the process into three parts: Physical Setup, REW Software Setup, and Performing Measurements.
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Physical Setup:
- Find a quiet room with minimal external noise to avoid interference with measurements.
- Place the EARS on a stable surface and ensure both sides are clear of objects.
- Use the default settings for the EARS unit, including microphone gain.
- Connect a high-quality DAC and amplifier to generate tones and calibrate the EARS.
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REW Software Setup:
- Download and install the free Room EQ Wizard (REW) software, version 5.15.
- Note down the Sensitivity Factor and Sensitive Channel of your specific EARS device.
- Set the Sample Rate to 48 kHz and configure the Output and Input Devices in REW Preferences.
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Performing Measurements:
- Follow the guidelines for consistent measuring conditions, including environmental factors and equipment settings.
- Use the SPL Calibration Targets based on your EARS’ Sensitivity Factor for headphones and IEMs.
- Utilize the REW software to perform the measurements accurately and consistently.
By following these steps, you can ensure reliable headphone measurements using the miniDSP EARS test rig. The affordability and ease of use make it an excellent tool for headphone enthusiasts and foster a growing user base. Remember to stay transparent in your methodology and settings to maximize consistency across different reviewers and headphones.
In conclusion
the miniDSP EARS test rig provides an accessible and effective solution for measuring headphones, allowing enthusiasts to get valuable and comparable results without breaking the bank.