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Superlux HD 668B

Superlux HD 668B

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -6.8dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -7.1 dB.

Type Fc Q Gain
Peaking 30 Hz 0.85 6.8 dB
Peaking 493 Hz 1.61 2.6 dB
Peaking 4701 Hz 4.46 4.0 dB
Peaking 5613 Hz 4.36 -7.2 dB
Peaking 7755 Hz 2.44 -1.7 dB
Peaking 31 Hz 1.73 -3.9 dB
Peaking 38 Hz 0.38 3.5 dB
Peaking 91 Hz 1.07 -3.9 dB
Peaking 2047 Hz 3.94 -0.7 dB
Peaking 2541 Hz 3.04 -1.3 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -7.9dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 7.6 dB
Peaking 62 Hz 1.41 1.6 dB
Peaking 125 Hz 1.41 -1.7 dB
Peaking 250 Hz 1.41 0.5 dB
Peaking 500 Hz 1.41 2.6 dB
Peaking 1000 Hz 1.41 -0.0 dB
Peaking 2000 Hz 1.41 -1.0 dB
Peaking 4000 Hz 1.41 0.1 dB
Peaking 8000 Hz 1.41 -2.5 dB
Peaking 16000 Hz 1.41 -1.1 dB

Graphs