IE 900 Reference
For the Sennheiser IE 900 · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Sennheiser IE 900. Profile by AutoEQ, measured by crinacle, and distributed through OPRA under CC BY-SA 4.0.
AutoEq via OPRA
Reference source- Profile
- AutoEQ
- Measured by
- crinacle
- Target
- AutoEq default in-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 | -2.5 | — |
| Peak | 4.1 kHz | +4.7 | 3.62 |
| Peak | 199 Hz | -2.7 | 1.09 |
| Peak | 1.5 kHz | -2.8 | 2.45 |
| Peak | 3.0 kHz | +5.9 | 2.23 |
| High Shelf | 10 kHz | -6.1 | — |
| Peak | 66 Hz | +0.8 | 2.22 |
| Peak | 26 Hz | -0.6 | 1.90 |
| Peak | 795 Hz | +0.5 | 2.51 |
| Peak | 9.9 kHz | +1.1 | 5.99 |
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