Headphone correctionsRAAL

RAAL CA1a EQ settings

For the CA1a: 2 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 • open earpads · 8 bands
  • AutoEq Measured by oratory1990 (open earpads) · 10 bands

Every correction, as Equalizer APO settings

Open one to see its settings. In FluidEQ, open EQ Presets and search for CA1a: every correction below is there, credited, and applies in one click.

oratory1990 Harman Target • open earpadsown measurement8 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 5.5 dB Q 0.71
Filter 2: ON PK Fc 120 Hz Gain -2.6 dB Q 1.60
Filter 3: ON PK Fc 1280 Hz Gain -5.0 dB Q 1.40
Filter 4: ON PK Fc 2800 Hz Gain 8.0 dB Q 0.80
Filter 5: ON PK Fc 5280 Hz Gain -7.3 dB Q 1.80
Filter 6: ON PK Fc 7200 Hz Gain -1.5 dB Q 5.00
Filter 7: ON HSC Fc 10000 Hz Gain 1.0 dB Q 0.71
Filter 8: ON PK Fc 10500 Hz Gain 2.0 dB Q 1.40
AutoEq Measured by oratory1990 (open earpads)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 6.9 dB Q 0.70
Filter 2: ON PK Fc 3240 Hz Gain 17.6 dB Q 0.22
Filter 3: ON PK Fc 5373 Hz Gain -19.4 dB Q 0.91
Filter 4: ON PK Fc 1239 Hz Gain -12.8 dB Q 0.86
Filter 5: ON PK Fc 235 Hz Gain -3.7 dB Q 0.20
Filter 6: ON HSC Fc 10000 Hz Gain -3.4 dB Q 0.70
Filter 7: ON PK Fc 115 Hz Gain -1.1 dB Q 3.65
Filter 8: ON PK Fc 81 Hz Gain 0.9 dB Q 3.45
Filter 9: ON PK Fc 185 Hz Gain 0.5 dB Q 3.09
Filter 10: ON PK Fc 52 Hz Gain -0.3 dB Q 2.15

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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