Doepfer A-105-4 Quad SSM VCF

The Doepfer A-105-4 is a powerful quad 24 dB/oct low pass filter based on classic SSM technology, featuring four independent filter sections that can be used simultaneously or separately. This makes it ideal for complex modulations and polyphonic synthesis in a Eurorack modular system.

Each filter delivers warm, rich, and dynamic analog tones with clear and controllable resonance. The versatility of having four independent filters opens up extensive creative possibilities for sound design, sequencing, and modulation.

Key Features:

• Four independent 24 dB/oct low pass filters

• Based on SSM technology for warm analog sound

• Ideal for polyphonic patches and complex modulations

• Clear and controllable resonance

• Perfect for Eurorack modular synthesizers