Chu Reference
For the Moondrop Chu · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Moondrop Chu. 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 | +3.0 | — |
| Peak | 9.3 kHz | +3.7 | 1.83 |
| Peak | 1.5 kHz | -1.8 | 1.18 |
| Peak | 884 Hz | +1.6 | 1.22 |
| Peak | 185 Hz | -0.9 | 1.07 |
| High Shelf | 10 kHz | -2.3 | — |
| Peak | 4.1 kHz | +0.8 | 3.56 |
| Peak | 2.9 kHz | -0.6 | 3.52 |
| Peak | 39 Hz | -0.2 | 3.80 |
| Peak | 8.8 kHz | +1.1 | 5.91 |
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