The Doepfer A-199 is a spring reverb module. The reverb effect is electronically simulated by means of 3 spiral springs. Spring reverb systems have a very characteristic sound that is based on the (insufficient) mechanical properties of the springs like signal delays, audio resonances, limited frequency range, acoustic feedback behaviour, sensitivity to mechanical shocks and others. The 3-spring system used in the Doepfer A-199 ensures a "dense" reverb because of the different properties of the three springs.

Key Features:

• Spring reverb module for Eurorack modular synthesizers
• Equipped with 3 spiral springs, each with slightly different characteristics for sonic complexity
• Emphasis control adjusts the accentuation of midrange frequencies (around 2kHz)
• Feedback control feeds the reverb signal back into the input
• Can reach self-oscillation at high feedback levels
• External Feedback loop allows you to integrate external modules for creating ambient drones or other creative effects
• Size: 8hp, 40.3mm deep
• Power usage: +80mA (+12V)/-10mA (-12V)

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