HD 650 Reference
For the Sennheiser HD 650 · Reference · AutoEq via OPRA · 1 download
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| lowShelf | 105 Hz | +6.4 dB | 0.7 |
| peaking | 8.8 kHz | +5.1 dB | 1.42 |
| peaking | 118 Hz | -3.1 dB | 0.5 |
| peaking | 37 Hz | +0.7 dB | 3.96 |
| peaking | 3.2 kHz | -1.7 dB | 3.89 |
| highShelf | 10 kHz | -2.1 dB | 0.7 |
| peaking | 1.2 kHz | -1.2 dB | 2.53 |
| peaking | 2.1 kHz | +1.2 dB | 3.23 |
| peaking | 587 Hz | +0.4 dB | 1.19 |
| peaking | 5.3 kHz | -1.1 dB | 5.75 |
Measurement-derived reference tuning for the Sennheiser HD 650. Profile by AutoEQ, measured by oratory1990, and distributed through OPRA under CC BY-SA 4.0.
AutoEq via OPRA
Reference source- Profile
- AutoEQ
- Measured by
- oratory1990
- 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.