Doepfer A-121 12dB Multimode VCF Manuel d'utilisateur

doepferSystem A - 100VCF 2 A-12111. IntroductionModule A-121 (VCF 2) is a voltage-controlled multi-mode filter with a cut-off slope of -12 dB / oct

A-121 VCF 2System A - 100doepfer107. Patch-SheetThe following diagrams of the module can help yourecall your own Patches. They’re designed so thata

A-121 VCF 2System A - 100doepfer22. VCF 2 - OverviewControls:1 Audio Level : Input signal attenuator2 Freq. : Cut-off frequency control3 FCV 2 :

doepferSystem A - 100VCF 2 A-12133. BasicsLow PassThe most common type of filter in analogue soundproduction is the low-pass, which filters out the

A-121 VCF 2System A - 100doepfer4ResonanceAnother filter parameter is resonance, also known asemphasis or Q. As the value for Q gets higher, thefr

doepferSystem A - 100VCF 2 A-12154. Controls1 Audio LevelThis attenuator controls the input level of the signal tobe filtered, entering the module a

A-121 VCF 2System A - 100doepfer65. In / Outputs! Audio InThis socket is the filter’s audio input. Patch theoutput of a sound source (such as a VCO

doepferSystem A - 100VCF 2 A-12176. User examplesThe A-121’s cut-off frequency can be modulated in avariety of ways:• VCF - LFOModulation of the c

A-121 VCF 2System A - 100doepfer8Generating vocal effectsWith the patch in Fig. 4 (see next page) vocal effectscan be produced, using two A-121 filt

doepferSystem A - 100VCF 2 A-1219Fig. 4: Producing vocal-like soundsP Check out various different combinations ofmid-frequency settings on the filt