Headphone correctionsGrado

Grado HF2 EQ settings

For the HF2: one published correction, made by AutoEq. FluidEQ applies a correction to everything Windows plays, offline, as a layer that never touches your own bands.

What the corrections do

Each line is what a correction does to the sound from 20 Hz to 20 kHz: above the middle line it turns that range up, below it turns it down. Pick a tab to see any correction on its own.

-12-60+6+1220501002005001k2k5k10k20k
  • AutoEq Measured by Innerfidelity · 10 bands

Every correction, as Equalizer APO settings

Open one to see its settings. In FluidEQ, open EQ Presets and search for HF2: every correction below is there, credited, and applies in one click.

AutoEq Measured by Innerfidelity10 bands · preamp -6.3 dB

Paste this into Equalizer APO, or import it into any equalizer that reads its text format.

Preamp: -6.3 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.4 dB Q 0.70
Filter 2: ON PK Fc 680 Hz Gain 2.8 dB Q 0.52
Filter 3: ON PK Fc 2361 Hz Gain -4.5 dB Q 1.37
Filter 4: ON PK Fc 87 Hz Gain -3.8 dB Q 0.94
Filter 5: ON PK Fc 53 Hz Gain 2.2 dB Q 3.22
Filter 6: ON HSC Fc 10000 Hz Gain 1.2 dB Q 0.70
Filter 7: ON PK Fc 8080 Hz Gain -2.8 dB Q 3.10
Filter 8: ON PK Fc 4325 Hz Gain 3.5 dB Q 5.39
Filter 9: ON PK Fc 3369 Hz Gain -1.3 dB Q 4.89
Filter 10: ON PK Fc 5282 Hz Gain -1.9 dB Q 6.00

Correction data from OPRA, under CC BY-SA 4.0. Every correction keeps the name of who made and measured it. Where they all come from.

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