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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 -6.3dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -6.3 dB.

Type Fc Q Gain
Peaking 23 Hz 1.35 6.6 dB
Peaking 100 Hz 0.93 -3.8 dB
Peaking 4052 Hz 2.89 5.4 dB
Peaking 5669 Hz 3.73 -7.9 dB
Peaking 20097 Hz 0.14 -6.6 dB
Peaking 1174 Hz 0.56 2.7 dB
Peaking 2302 Hz 1.81 -2.9 dB
Peaking 7276 Hz 3 0.8 dB
Peaking 8267 Hz 2.56 -1.3 dB
Peaking 12900 Hz 1.12 0.6 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -5.2dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 5.8 dB
Peaking 62 Hz 1.41 -3.0 dB
Peaking 125 Hz 1.41 -3.0 dB
Peaking 250 Hz 1.41 -0.6 dB
Peaking 500 Hz 1.41 1.3 dB
Peaking 1000 Hz 1.41 2.6 dB
Peaking 2000 Hz 1.41 -0.8 dB
Peaking 4000 Hz 1.41 1.8 dB
Peaking 8000 Hz 1.41 -4.8 dB
Peaking 16000 Hz 1.41 -7.2 dB

Graphs