Doepfer A-135-4C Quad Envelope Follower: Audio-Controlled CV Generator

The A-135-4C is a quad envelope follower module that converts four individual audio inputs into four corresponding CV outputs. It’s a great tool for deriving modulation from dynamic audio signals such as drums, voices, or rhythmic loops.

Key Features:

• Four independent envelope followers

• Converts amplitude of incoming audio to control voltage

• Perfect for expressive, audio-reactive patches

• Ultra-compact at just 4 HP wide

• Designed to complement the A-135-4 Performance Mixer series

Technical Specifications:

• Width: 4 HP

• Power consumption: approx. +50 mA / -10 mA

• Inputs: 4x audio

• Outputs: 4x envelope CV

• Format: Eurorack (3U)

Add dynamic modulation possibilities to your Eurorack system with the A-135-4C.