Measurement
STAX SR-404
• STAX earspeakers
• Electrostatic headphones
• Dedicated amplifier needed
STAX SR-404 measurement
[1. Frequency Response ]
Uncompensated
Uncompensated
Diffuse Field Target Compensated
Olive Welti Target Compensated
Harman Target Compensated
CSD
[2. Square Wave ]
30 Hz
300 Hz
[3. Minimum Phase ]
[4. Harmonic Distortions ]
94 dB SPL @ 500 Hz
[5. Sound Leakage ]
Earpads of STAX SR-404 are too large to cover the ears fully, so these inevitably have sound leakage through the gap under the earpads. The amount of leakage would vary from person to person.
Uncompensated
[6. STAX ED-1 Monitor ]
STAX ED-1 Monitor is dedicated headphone amplifier, which has built-in Diffuse Field compensator for STAX headphones.
Frequency Response of STAX ED-1 Monitor
Uncompensated
Black: General STAX SR-404
Orange: SR 404 with ED-1 Monitor
Uncompensated
STAX SR-404 with ED-1 Monitor
Diffuse Field Target Compensated
STAX SR404 with ED1 Monitor
Olive Welti Target Compensated
STAX SR-404 with ED-1 Monitor
Harman Target Compensated
STAX SR-404 with ED 1 Monitor
[7. Comparison ]
Uncompensated
Black: STAX SR-404 with ED-1 Monitor
Orange: Sennheiser HD 600
Uncompensated
Black: STAX SR-404 with ED-1 Monitor
Orange: Sennheiser HD 530 II
Uncompensated
Black: STAX SR-404
Orange: Audeze EL-8 Open-back (early ver. )
[8. Detailed FR plots ]
Uncompensated
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