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Sennheiser HD 25-1 II

Sennheiser HD 25-1 II

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -6.7dB 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 34 Hz 0.59 6.8 dB
Peaking 4479 Hz 3.63 6.0 dB
Peaking 5672 Hz 3.22 5.4 dB
Peaking 8649 Hz 0.49 -5.6 dB
Peaking 17842 Hz 0.37 7.4 dB
Peaking 66 Hz 2.37 3.1 dB
Peaking 306 Hz 0.2 -2.0 dB
Peaking 570 Hz 1.11 3.9 dB
Peaking 1305 Hz 5.39 1.2 dB
Peaking 1591 Hz 3.39 0.8 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -7.6dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 6.4 dB
Peaking 62 Hz 1.41 5.0 dB
Peaking 125 Hz 1.41 -0.8 dB
Peaking 250 Hz 1.41 -1.6 dB
Peaking 500 Hz 1.41 2.0 dB
Peaking 1000 Hz 1.41 0.5 dB
Peaking 2000 Hz 1.41 -2.1 dB
Peaking 4000 Hz 1.41 3.4 dB
Peaking 8000 Hz 1.41 -3.1 dB
Peaking 16000 Hz 1.41 6.3 dB

Graphs