The Stax SR-X1 ranks #51 out of 134 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
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#51 Stax SR-X1: $571.79 Amazon eBay
Pros: A preference score of 81 in oratory1990’s measurement is excellent for an electrostatic headphone, with a smoothness of 2.62 dB and a neutral tilt of 0.06. Midrange from 1 to 3 kHz sits within 0.1 dB of target, so vocals and instruments sound natural, and air above 10 kHz is on target at +0.6 dB. It is open back and light at 234 g, a good match for the warm and neutral taste profiles.
Cons: Sub-bass under 60 Hz is about 8 dB below target and the bass range is 4 dB low, so kick drums and bass synths lack rumble and weight. A 9.4 dB dip near 6.5 kHz and treble 7 dB under target soften cymbals and make the sound dull. It needs a dedicated electrostatic energizer, since it cannot run from a phone, and the open back leaks sound and offers no isolation.
| Back | Open |
|---|---|
| Connection | Wired |
| Deviation From Target | 2.62 dB standard deviation |
| Driver Type | Electrostatic |
| Form Factor | Over-ear |
| Frequency Response | 7Hz - 41kHz (Manufacturer specified) |
| Harman Preference Score | 81 (measured by oratory1990, via AutoEQ) |
| Sensitivity | 101 dB SPL/100V |
| Tonal Tilt | +0.06 (negative is warmer, positive brighter) |
| Weight | 0.5 lbs (234 g) |
EQ preset to match the Harman target
Set a preamp of -6.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +7.5 dB | 0.70 |
| Peak | 1,236 Hz | -4.1 dB | 1.22 |
| Peak | 7,163 Hz | +5.4 dB | 2.20 |
| Peak | 4,125 Hz | +2.9 dB | 4.23 |
| Peak | 55 Hz | -2.4 dB | 0.43 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 233 Hz | -0.5 dB | 2.53 |
| Peak | 553 Hz | +0.3 dB | 1.42 |
| Peak | 6,608 Hz | +1.9 dB | 5.85 |
| Peak | 5,454 Hz | -1.1 dB | 6.00 |
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