Headphone correctionsSennheiser

Sennheiser HD25-1 II EQ settings

For the HD25-1 II: 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 • bad seal · 10 bands
  • AutoEq Measured by oratory1990 · 10 bands

Every correction, as Equalizer APO settings

Open one to see its settings. In FluidEQ, open EQ Presets and search for HD25-1 II: every correction below is there, credited, and applies in one click.

oratory1990 Harman Target • bad sealown measurement10 bands · preamp -5.5 dB

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

Preamp: -5.5 dB
Filter 1: ON LSC Fc 105 Hz Gain 5.5 dB Q 0.71
Filter 2: ON PK Fc 110 Hz Gain -2.2 dB Q 2.00
Filter 3: ON PK Fc 240 Hz Gain -2.8 dB Q 1.00
Filter 4: ON PK Fc 1100 Hz Gain -1.5 dB Q 3.00
Filter 5: ON PK Fc 2900 Hz Gain -5.7 dB Q 0.90
Filter 6: ON PK Fc 3800 Hz Gain -1.0 dB Q 7.00
Filter 7: ON PK Fc 5000 Hz Gain 7.0 dB Q 1.00
Filter 8: ON PK Fc 5200 Hz Gain -2.6 dB Q 5.00
Filter 9: ON PK Fc 6700 Hz Gain -3.0 dB Q 5.00
Filter 10: ON PK Fc 8400 Hz Gain -9.1 dB Q 2.50
oratory1990 Harman Target • good sealown measurement10 bands · preamp -1.5 dB

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

Preamp: -1.5 dB
Filter 1: ON PK Fc 100 Hz Gain -5.5 dB Q 0.90
Filter 2: ON PK Fc 225 Hz Gain -4.9 dB Q 1.50
Filter 3: ON PK Fc 500 Hz Gain 1.8 dB Q 1.40
Filter 4: ON PK Fc 1070 Hz Gain -2.0 dB Q 2.50
Filter 5: ON PK Fc 2900 Hz Gain -5.9 dB Q 0.90
Filter 6: ON PK Fc 3800 Hz Gain -1.0 dB Q 7.00
Filter 7: ON PK Fc 5000 Hz Gain 7.0 dB Q 1.00
Filter 8: ON PK Fc 5200 Hz Gain -2.6 dB Q 5.00
Filter 9: ON PK Fc 6700 Hz Gain -3.0 dB Q 5.00
Filter 10: ON PK Fc 8400 Hz Gain -9.5 dB Q 2.50
AutoEq Measured by oratory199010 bands · preamp -5.4 dB

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

Preamp: -5.4 dB
Filter 1: ON LSC Fc 105 Hz Gain 4.8 dB Q 0.70
Filter 2: ON PK Fc 88 Hz Gain -5.8 dB Q 0.76
Filter 3: ON PK Fc 495 Hz Gain 4.2 dB Q 1.19
Filter 4: ON PK Fc 4682 Hz Gain 5.6 dB Q 3.25
Filter 5: ON PK Fc 231 Hz Gain -3.2 dB Q 1.56
Filter 6: ON HSC Fc 10000 Hz Gain 4.1 dB Q 0.70
Filter 7: ON PK Fc 9024 Hz Gain -3.6 dB Q 2.61
Filter 8: ON PK Fc 2557 Hz Gain -1.5 dB Q 2.59
Filter 9: ON PK Fc 43 Hz Gain -1.3 dB Q 2.58
Filter 10: ON PK Fc 61 Hz Gain 2.0 dB Q 5.37
AutoEq Measured by oratory1990 (bad seal)10 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 4557 Hz Gain 5.6 dB Q 3.03
Filter 3: ON PK Fc 2763 Hz Gain -2.1 dB Q 1.15
Filter 4: ON PK Fc 206 Hz Gain -1.7 dB Q 0.68
Filter 5: ON PK Fc 547 Hz Gain 2.4 dB Q 1.55
Filter 6: ON HSC Fc 10000 Hz Gain 4.4 dB Q 0.70
Filter 7: ON PK Fc 9107 Hz Gain -4.2 dB Q 1.48
Filter 8: ON PK Fc 5812 Hz Gain 2.8 dB Q 6.00
Filter 9: ON PK Fc 71 Hz Gain 1.3 dB Q 3.82
Filter 10: ON PK Fc 106 Hz Gain -1.0 dB Q 3.11

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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