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Superlux HD 681 (velour earpads)

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Superlux HD 681 (velour earpads)

See usage instructions for more options and info.

Parametric EQs

You can use filters 1-5 or 1-10. Apply preamp of -5.1 dB or -5.1 dB, respectively.

# Type Fc (Hz) Q Gain (dB)
1 LowShelf 105 0.7 5
2 Peaking 446 1.31 3.3
3 Peaking 2299 2.87 -3
4 Peaking 4976 5.64 -6.8
5 Peaking 7135 1.6 -3.7
6 Peaking 57 3.13 -1.4
7 Peaking 1028 3.23 -1.2
8 Peaking 3740 6 2.3
9 Peaking 9083 2.05 2.2
10 HighShelf 10000 0.7 -6.2

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -7.1 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 6.6
2 Peaking 62 1.41 1.8
3 Peaking 125 1.41 1.5
4 Peaking 250 1.41 -0
5 Peaking 500 1.41 3.6
6 Peaking 1000 1.41 -0.9
7 Peaking 2000 1.41 -1
8 Peaking 4000 1.41 -2
9 Peaking 8000 1.41 -3.4
10 Peaking 16000 1.41 -10.3

Graphs