Chu 2 Reference
For the Moondrop Chu 2 · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Moondrop Chu 2. 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 | -0.2 | — |
| Peak | 166 Hz | -2.6 | 0.87 |
| Peak | 5.9 kHz | +6.7 | 0.95 |
| Peak | 780 Hz | +2.2 | 1.24 |
| Peak | 4.2 kHz | -4.4 | 0.80 |
| High Shelf | 10 kHz | -3.1 | — |
| Peak | 9.6 kHz | +1.6 | 2.29 |
| Peak | 1.4 kHz | -0.7 | 2.98 |
| Peak | 1.0 kHz | +0.5 | 3.66 |
| Peak | 2.2 kHz | +0.4 | 4.09 |
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