PC38X Reference
For the Sennheiser PC38X · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Sennheiser PC38X. 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 | +6.5 | — |
| Peak | 99 Hz | -2.1 | 0.55 |
| Peak | 2.7 kHz | -5.4 | 1.01 |
| Peak | 1.3 kHz | -3.2 | 1.31 |
| Peak | 4.3 kHz | +4.0 | 0.21 |
| High Shelf | 10 kHz | +3.4 | — |
| Peak | 9.3 kHz | -1.5 | 2.35 |
| Peak | 4.4 kHz | +2.2 | 5.96 |
| Peak | 3.6 kHz | -1.2 | 5.21 |
| Peak | 5.2 kHz | -1.1 | 4.97 |
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