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 Doepfer A-199 3-spring system ensures a "dense" reverb because of the different properties of the three springs. Specs: Size: 8hp, 40.3mm deep Power usage: +80mA (+12V)/-10mA (-12V) Video: https://youtu.be/qp23hVPEi4AProduct Specs Item Number: 23198 Make: Doepfer Model: A-199v Condition: Brand New Finish: Black Categories: keyboards-and-synths ⇒ eurorack Function: Reverb Effect Made In: Germany MPN: A-199v EAN: 4250711119928 Modular Grid: Eurorack ⓘ + Dimensions*: 8 HP 50 mm deep Power*: 80 mA +12V 10 mA -12V 0 mA 5V * User contributed details