For further flexibility of the graphic equaliser section, the unit also incorporates variable frequency, low anti high-pass filters plus two one-twelfth octave, variable frequency notch filters. Programmable Graphic Equaliser © NLBRH TEMniH DN3400 PROGRAM UASli GRAPHIC EQUAIISER NUMBER fKO l£va ■D IfllBIBBIBBBDIII * •• • —, _ B BBBBBBBDBBBBBBDB ...... The proprietary analogue filters are based around the Klark Teknik MELT hybrid filter circuits which offer far greater headroom and dynami