Sennheiser HD 650 (pre-2020, worn earpads)

See usage instructions for more options and info.

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

#	Type	Fc (Hz)	Q	Gain (dB)
1	LowShelf	105	0.7	6.6
2	Peaking	131	0.55	-3
3	Peaking	1301	1.42	-2.2
4	Peaking	2882	2.16	-3.7
5	Peaking	10000	0.37	5.9
6	Peaking	49	2.53	0.5
7	Peaking	80	3.21	-0.6
8	Peaking	5292	6	1.4
9	Peaking	6429	6	-1.1
10	HighShelf	10000	0.7	-2.6

When using fixed band (also called graphic) equalizer, apply preamp of -7.5 dB (if available) and set gains manually with these parameters.

#	Type	Fc (Hz)	Q	Gain (dB)
1	Peaking	31	1.41	6.8
2	Peaking	62	1.41	3.6
3	Peaking	125	1.41	-1.2
4	Peaking	250	1.41	-2.2
5	Peaking	500	1.41	0.2
6	Peaking	1000	1.41	-1.5
7	Peaking	2000	1.41	-1.9
8	Peaking	4000	1.41	0.9
9	Peaking	8000	1.41	6.4
10	Peaking	16000	1.41	2.3

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