36dB/Oct LPF (Variable Slope) + Phaser: preliminary schematics published 2009-05-01 by JH. (Preliminary) Schematics published The 36dB/Oct LPF / Phaser: http://www.jhaible.de/varislope_filter_phaser/varislope_filter_phaser_sch1.pdf The LFO with crossfaded Waveforms, S&H and Audio Rate Modulation: http://www.jhaible.de/varislope_filter_phaser/varislope_filter_phaser_sch2.pdf Project Page: http://www.jhaible.de/varislope_filter_phaser/varislope_filter_phaser.html JH.