HD 620S Reference
For the Sennheiser HD 620S · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Sennheiser HD 620S. Profile by AutoEQ, measured by Rtings, and distributed through OPRA under CC BY-SA 4.0.
AutoEq via OPRA
Reference source- Profile
- AutoEQ
- Measured by
- Rtings
- Target
- AutoEq default over-ear target
Converted to Spectra filter names; frequency, gain, and Q values are unchanged. The source preamp is replaced by Spectra automatic headroom after response verification.
Parametric bands10 active
| Type | Freq | Gain | Q |
|---|---|---|---|
| Low Shelf | 105 Hz | +4.1 | — |
| Peak | 112 Hz | -6.4 | 1.64 |
| Peak | 221 Hz | +5.1 | 1.68 |
| Peak | 8.9 kHz | -3.2 | 2.38 |
| Peak | 506 Hz | -2.2 | 2.52 |
| High Shelf | 10 kHz | +1.2 | — |
| Peak | 2.7 kHz | -3.6 | 3.02 |
| Peak | 1.7 kHz | +2.0 | 2.32 |
| Peak | 4.7 kHz | +3.5 | 5.39 |
| Peak | 802 Hz | +1.2 | 6.00 |
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