KSC75 Reference
For the Koss KSC75 · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Koss KSC75. 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 | 708 Hz | +2.1 | 0.60 |
| Peak | 136 Hz | -2.7 | 0.89 |
| Peak | 2.4 kHz | -3.7 | 2.35 |
| Peak | 4.9 kHz | -5.1 | 5.46 |
| High Shelf | 10 kHz | -2.9 | — |
| Peak | 3.8 kHz | +1.9 | 6.00 |
| Peak | 7.9 kHz | -1.3 | 4.92 |
| Peak | 62 Hz | +1.2 | 3.97 |
| Peak | 85 Hz | -0.6 | 2.57 |
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