GGS Voltage Controlled Lowpass Filter

Guru Gara Synth / 3320 VCF
This module is a typical voltage controlled low pass filter design based on CEM3320. It can create from low rubbery bass to high resonance screaming synth sounds. It is a simple design with audio I/O, CV in, CV amount, resonance and the cutoff frequency. 3320 design was used in the 80s by many synth brands such as Oberheim, Sequencial One just to name a few. Front panel is also made out of PCB and screen printed by hand.

https://reverb.com/shop/guru-gara-synth

https://www.ebay.co.uk/itm/174085519616

• 8 mA +12V
• 10 mA -12V
• 0 mA 5V
• 25 mm Depth

Available as an assembled Module and as a DIY project.

This Module is currently available.