The Erica Synths Black 3109 VCF/VCA is a lowpass filter and voltage-controlled amplifier combo built around the AS3109 VCF integrated circuit, a contemporary version of the IR3109 chip, found on vintage Roland synths such as the Jupiter series, Juno series and the SH-101. Filters based on IR3109 had several drawbacks, including a volume drop when the resonance is increased so we added a volume drop compensation as well as a built-in VCA for more versatility in compact setups. Additionally, 1V/oct tuning is implemented so you can use this module for perfect VCF keyboard tracking and also as a VCO.
FEATURES:
24dB/oct lowpass VCF
Volume drop compensation
Built-in VCA
Cutoff level attenuverter
1V/oct tracking
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![ERICA SYNTHS BLACK 3109 VCF-VCA : BRAND NEW : [DETROIT MODULAR] image 1](https://rvb-img.reverb.com/i/s--EM9-FVcU--/quality=medium-low,height=800,width=800,fit=contain/s4wpqdtlpvsbjbymeygg.jpg)
