In the ever-evolving world of modular synthesizers, the Doepfer A-105 24dB SSM Low Pass Filter stands as a tribute to the lush soundscapes of the '70s and '80s. At its core, this powerful module features the iconic SSM2044 filter chip, renowned for its rich and warm tonal characteristics reminiscent of early Prophet-5 synthesizers. Whether you're chasing the deep, resonant lows or the crisp highs, the A-105 delivers with its 4-pole design, ensuring every note is dripping with analog charm.

This voltage-controlled filter is not just about nostalgia; it offers modern flexibility with inputs for Audio, Frequency Control Voltage (FCV), and Quality Control Voltage (QCV), as well as an Audio Out. The intuitive interface includes dedicated knobs for Level, Frequency, FCV, QCV, and Resonance, allowing you to easily shape and customize your sound. The 24dB transistor ladder filter design provides the sonic depth and clarity that seasoned synthesists crave, making it an essential upgrade for any Eurorack setup.

Key Features:

• 24dB transistor ladder filter for Eurorack modular synthesizers
• SSM2044 filter chip for a fat, vintage sound
• Inputs: Audio In, 2 FCV, QCV; Outputs: Audio Out
• Independent controls for Level, Frequency, FCV, QCV, and Resonance
• Compact design: 8HP wide, 40mm deep
• Power consumption: +30mA (+12V), -20mA (-12V)

Product specs

FAQs

What type of filter is the Doepfer A-105 24dB SSM Low Pass Filter?

The Doepfer A-105 is a 24dB low pass filter module designed for Eurorack systems, utilizing the classic SSM filter chip for smooth and musical filtering.

How much space does the Doepfer A-105 occupy in a Eurorack setup?

The Doepfer A-105 occupies 8HP in a Eurorack modular synthesizer setup, making it a compact choice for adding filtering capabilities.

What is the primary function of the Doepfer A-105 in a modular synth?

The primary function of the Doepfer A-105 is to serve as a low pass filter, shaping the sound by allowing frequencies below a certain cutoff point to pass while attenuating higher frequencies.

Is the Doepfer A-105 suitable for vintage analog sound?

Yes, the Doepfer A-105 is known for its warm, vintage analog sound, thanks to the SSM filter chip, making it ideal for those seeking classic synthesizer tones.

Can the Doepfer A-105 be used in a modern Eurorack system?

Absolutely, the Doepfer A-105 is compatible with modern Eurorack systems, offering versatile filtering options for both classic and contemporary modular synth setups.