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Koss Porta Pro (sample 2)

Koss Porta Pro (sample 2)

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -7.1dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -7.0 dB.

Type Fc Q Gain
Peaking 28 Hz 0.71 7.2 dB
Peaking 113 Hz 0.67 -5.6 dB
Peaking 2287 Hz 2.88 -4.4 dB
Peaking 3505 Hz 4 3.4 dB
Peaking 8567 Hz 1.7 6.8 dB
Peaking 707 Hz 1.42 1.8 dB
Peaking 5344 Hz 5.46 -2.6 dB
Peaking 6948 Hz 6.1 2.0 dB
Peaking 12148 Hz 1.95 2.4 dB
Peaking 19776 Hz 0.51 -8.4 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 -1.4 dB
Peaking 125 Hz 1.41 -4.7 dB
Peaking 250 Hz 1.41 -2.5 dB
Peaking 500 Hz 1.41 1.2 dB
Peaking 1000 Hz 1.41 1.7 dB
Peaking 2000 Hz 1.41 -3.5 dB
Peaking 4000 Hz 1.41 0.9 dB
Peaking 8000 Hz 1.41 6.6 dB
Peaking 16000 Hz 1.41 -3.8 dB

Graphs