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Koss Porta Pro Wireless

Koss Porta Pro Wireless

See usage instructions for more options and info.

Parametric EQs

You can use filters 1-5 or 1-10. Apply preamp of -6.5 dB or -6.4 dB, respectively.

# Type Fc (Hz) Q Gain (dB)
1 LowShelf 105 0.7 12
2 Peaking 61 0.37 -14.1
3 Peaking 3601 1.71 3
4 Peaking 5398 3.64 -8.9
5 Peaking 7659 0.78 7
6 Peaking 220 1.23 -0.5
7 Peaking 686 1.13 1
8 Peaking 1826 2.79 -0.7
9 Peaking 8623 3.87 -1.5
10 HighShelf 10000 0.7 3.1

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -8.9 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 3.4
2 Peaking 62 1.41 -3.8
3 Peaking 125 1.41 -5.2
4 Peaking 250 1.41 -4.9
5 Peaking 500 1.41 -0.1
6 Peaking 1000 1.41 0
7 Peaking 2000 1.41 0.8
8 Peaking 4000 1.41 1.8
9 Peaking 8000 1.41 4.9
10 Peaking 16000 1.41 8.6

Graphs