Headphone correctionsKoss

Koss ESP950 EQ settings

For the ESP950: 4 published corrections, made by oratory1990 and 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
  • oratory1990 Harman Target · 10 bands
  • 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 ESP950: every correction below is there, credited, and applies in one click.

oratory1990 Harman Targetown measurement10 bands · preamp -8.5 dB

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

Preamp: -8.5 dB
Filter 1: ON LSC Fc 70 Hz Gain 4.0 dB Q 0.70
Filter 2: ON LSC Fc 75 Hz Gain 4.5 dB Q 0.70
Filter 3: ON PK Fc 700 Hz Gain 1.1 dB Q 2.00
Filter 4: ON PK Fc 1250 Hz Gain -4.5 dB Q 1.00
Filter 5: ON PK Fc 2100 Hz Gain 8.0 dB Q 3.00
Filter 6: ON PK Fc 3000 Hz Gain -1.6 dB Q 3.50
Filter 7: ON PK Fc 3850 Hz Gain 2.8 dB Q 4.00
Filter 8: ON PK Fc 4900 Hz Gain 4.0 dB Q 4.00
Filter 9: ON PK Fc 6200 Hz Gain -1.8 dB Q 5.00
Filter 10: ON PK Fc 7200 Hz Gain 5.0 dB Q 6.00
AutoEq Measured by Innerfidelity10 bands · preamp -6.1 dB

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

Preamp: -6.1 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.1 dB Q 0.70
Filter 2: ON PK Fc 1414 Hz Gain -4.1 dB Q 0.91
Filter 3: ON PK Fc 2178 Hz Gain 6.9 dB Q 2.52
Filter 4: ON PK Fc 4516 Hz Gain 5.4 dB Q 3.07
Filter 5: ON PK Fc 3187 Hz Gain -4.1 dB Q 3.72
Filter 6: ON HSC Fc 10000 Hz Gain -1.3 dB Q 0.70
Filter 7: ON PK Fc 112 Hz Gain -0.9 dB Q 2.55
Filter 8: ON PK Fc 215 Hz Gain -0.8 dB Q 2.13
Filter 9: ON PK Fc 80 Hz Gain 0.8 dB Q 3.49
Filter 10: ON PK Fc 6891 Hz Gain 1.3 dB Q 6.00
AutoEq Measured by Innerfidelity (sample 1)10 bands · preamp -6.0 dB

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

Preamp: -6.0 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.1 dB Q 0.70
Filter 2: ON PK Fc 1362 Hz Gain -3.8 dB Q 1.02
Filter 3: ON PK Fc 2166 Hz Gain 6.2 dB Q 2.82
Filter 4: ON PK Fc 4492 Hz Gain 5.3 dB Q 3.35
Filter 5: ON PK Fc 3186 Hz Gain -4.4 dB Q 3.81
Filter 6: ON HSC Fc 10000 Hz Gain -1.3 dB Q 0.70
Filter 7: ON PK Fc 107 Hz Gain -1.2 dB Q 2.35
Filter 8: ON PK Fc 215 Hz Gain -0.8 dB Q 1.98
Filter 9: ON PK Fc 76 Hz Gain 1.2 dB Q 3.63
Filter 10: ON PK Fc 6970 Hz Gain 1.4 dB Q 6.00
AutoEq Measured by Innerfidelity (sample 2)10 bands · preamp -6.0 dB

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

Preamp: -6.0 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.1 dB Q 0.70
Filter 2: ON PK Fc 1406 Hz Gain -4.3 dB Q 0.88
Filter 3: ON PK Fc 2192 Hz Gain 7.1 dB Q 2.39
Filter 4: ON PK Fc 4496 Hz Gain 5.7 dB Q 2.88
Filter 5: ON PK Fc 3205 Hz Gain -3.9 dB Q 3.63
Filter 6: ON HSC Fc 10000 Hz Gain -1.1 dB Q 0.70
Filter 7: ON PK Fc 203 Hz Gain -0.9 dB Q 1.81
Filter 8: ON PK Fc 8435 Hz Gain -2.0 dB Q 4.96
Filter 9: ON PK Fc 6939 Hz Gain 1.8 dB Q 6.00
Filter 10: ON PK Fc 84 Hz Gain 0.6 dB Q 4.69

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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