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Superlux HD 668B

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -7.3dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -7.2 dB.

Type Fc Q Gain
Peaking 28 Hz 1.24 7.0 dB
Peaking 775 Hz 0.75 4.0 dB
Peaking 4253 Hz 2.1 7.6 dB
Peaking 5626 Hz 3.87 -6.3 dB
Peaking 17732 Hz 0.07 -6.8 dB
Peaking 42 Hz 3.66 2.2 dB
Peaking 100 Hz 1.09 -2.5 dB
Peaking 2389 Hz 1.98 -3.0 dB
Peaking 2633 Hz 0.65 1.6 dB
Peaking 5520 Hz 2.76 -1.3 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -7.8dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 7.9 dB
Peaking 62 Hz 1.41 -0.9 dB
Peaking 125 Hz 1.41 -2.3 dB
Peaking 250 Hz 1.41 0.3 dB
Peaking 500 Hz 1.41 2.6 dB
Peaking 1000 Hz 1.41 3.5 dB
Peaking 2000 Hz 1.41 -2.0 dB
Peaking 4000 Hz 1.41 1.7 dB
Peaking 8000 Hz 1.41 -8.2 dB
Peaking 16000 Hz 1.41 -10.0 dB

Graphs