elysia xfilter 500 4-band EQ - Handbuch (Seite 7)

7
Passive Massage
Mmm... The beautiful sheen a passive EQ adds on top of every-
thing. We all love it, we all need it!
Well, here is the good news: In addition to its four flexible ac-
tive bands, the xfilter 500 features a switchable fixed LC filter
for polishing the high frequency range.
The filter mainly consists of a capacitor and a coil per channel,
but unlike the standard shelving designs, it has a slight reso-
nance peak at 12 kHz and starts to fall off at 17 kHz.
This way, the saturation-like storage effect of the shielded
coil focuses on the area around the peak without pushing the
complete high frequency spectrum too much.