Skip to content

Latest commit

 

History

History
 
 

Superlux HD 681

Superlux HD 681

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 492 0.72 3.2
3 Peaking 959 0.59 -2.5
4 Peaking 5047 6 -5.1
5 Peaking 7819 2.44 -3.3
6 Peaking 64 2.44 -1.7
7 Peaking 158 1.93 0.6
8 Peaking 2474 3.49 -1.4
9 Peaking 3800 6 2.9
10 HighShelf 10000 0.7 -2.8

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -7.6 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 7.1
2 Peaking 62 1.41 1.5
3 Peaking 125 1.41 1.8
4 Peaking 250 1.41 0.7
5 Peaking 500 1.41 2
6 Peaking 1000 1.41 -1.4
7 Peaking 2000 1.41 -1
8 Peaking 4000 1.41 -0.6
9 Peaking 8000 1.41 -3.1
10 Peaking 16000 1.41 -5.1

Graphs