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The Gemini 2412 is a beautiful sounding and very versatile Dual Multimode VCF:
Two completely independant Vintage SEM style filters, with a central mixing bus for both audio and frequency control voltages which allow the two VCF’s to be combined in both serial and parallel modes, and VCF1 can be inverted against VCF2. So the two VCF’s can be combined to behave as a 24dB SEM filter, vocal formant filter and much more!
Each of the two filters are based on the vintage SEM filter, with FET transistor buffers and feature Low Pass, Band Pass and High Pass outputs and a useful Vary output which can be faded from LP to Notch to HP. All outputs can be used simultaneously.
We have added some exciting extra features unavailable on the original SEM filter, including CV contol of Resonance, overdriving of the VCF core and full self oscillation!
VCF1 and VCF2 each have a four way switch to select LP, BP, HP or VARY to the mixing bus, this is also available as an extra individual output.
Module Width: 28hp
Module Depth: 24mm (34mm with power cable)
Current Usage: 50mA Positive, 45mA Negative