Solid-state-logic X-EQ Bedienungsanleitung PDF herunterladen (Seite 18)

6.1 Bell Filters

Q Definitions

P – 3dB – Classical definition that means Q is measured 3dB below peak for boost or 3dB above peak for cut.

0 – 3dB – Definition used for bells in some US products, the bandwidth for Q calculation is measured 3dB below 0dB line for

cut or 3dB above for boost. Q in both definitions correct only for +6dB boost/cut.

P/2 – New “musical” definition based on the bandwidth measurement in the middle of a bell filter, between peak and 0dB line.

Normalisation – All 12 equalisers are normalised to have exactly the same bell shape for +6dB boost.

Classic Symmetrical

The most popular parametric EQ shape used in various mixing

consoles and outboard gear. Almost constant Q characteristic.

P – 3dB

Classic

Asymmetrical

Often features in older equalisers. Boost as above but much

narrower cut characteristic.

P – 3dB boost

0 – 3dB (x2) cut

6. X-EQ Filter Types

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Solid-state-logic X-EQ Bedienungsanleitung Seite 18