CurveLab
IEM Equalizer
Sennheiser HD 600
active profile
tone64
match92%
Frequency Response
Sennheiser HD 600 · oratory1990
Equalized
20501002005001k2k5k10k20k-12-9-6-30+3+6+9+12
Error before
3.43 dB
Error after
0.26 dB
Match
92%
Bass24
Mids86
Ear Gain69
Treble63
8 filters
TypeFreqGainQWhy
PK22 Hz-1.3 dB1.12sub-bass cut (22 Hz) — cleans mud
LSC31 Hz+5.4 dB0.30big bass shelf — adds weight & sub-rumble
LSC44 Hz+6.0 dB0.42big bass shelf — adds weight & sub-rumble
LSC105 Hz+1.9 dB0.70bass shelf — adds weight & sub-rumble
PK5.35k Hz-4.2 dB1.96big presence cut (5.4 kHz) — tames harshness/sibilance
HSC7.43k Hz+1.4 dB0.30air shelf — opens up the top end
HSC8.06k Hz+0.9 dB2.54gentle air shelf — opens up the top end
HSC13.1k Hz-2.4 dB1.13treble shelf — calms harsh upper register
Selected IEM / Headphone
83 in library
SE
Sennheiser HD 600
Sennheiser · Over-ear
Form
Over-ear
Driver
Dynamic
Imp.
300 Ω
Upload custom measurement CSV
Smoothingfractional octave
Target Curve
Harman 2019
IEM
Over-ear
Universal
Bass6.0 dB
Ear Gain3.0 dB
Treble+0.0 dB
Tilt+0.0 dB
Upload custom target CSV
Export
Preamp: -9.3 dB
Filter 1: ON PK Fc 22 Hz Gain -1.3 dB Q 1.12
Filter 2: ON LSC Fc 31 Hz Gain 5.4 dB Q 0.30
Filter 3: ON LSC Fc 44 Hz Gain 6.0 dB Q 0.42
Filter 4: ON LSC Fc 105 Hz Gain 1.9 dB Q 0.70
Filter 5: ON PK Fc 5353 Hz Gain -4.2 dB Q 1.96
Filter 6: ON HSC Fc 7435 Hz Gain 1.4 dB Q 0.30
Filter 7: ON HSC Fc 8056 Hz Gain 0.9 dB Q 2.54
Filter 8: ON HSC Fc 13088 Hz Gain -2.4 dB Q 1.13
Equalizer
Parametric
Filter bands8 bands
Max boost / cut± 6.0 dB
Bands hit the ±6.0 dB cap — raise the limit for a fuller correction.
Preamp gain
prevents clipping
-9.3 dB
Band allocation
20Hz1kHz20kHz
Audio Preview
Web Audio · A/B switchable live
stopped
Notes & Limitations
· This is a starting point, not a perfect correction.
· Measurements vary by rig, insertion depth, coupler, and your ears.
· Avoid large boosts for narrow dips above 8 kHz.
· Always adjust by ear after applying.