This Module is discontinued.
Feedback delay network reverb
FDN (or "feedback delay network") reverb has long been a staple of electronic music, desirable for its thick, heavily diffused nature that responds well to synthesizer sounds. Aeverb takes this long history and wraps it in a 6HP stereo module.
We started with the algorithm from our original Aeverb module (originally created by Sean Costello of Valhalla DSP for CSound) and experimented heavily with the diffusors from our popular ADverb plugin (itself a model of the famous 224 digital reverb), made it stereo, and poked and prodded until we came up with something that works very well in the Eurorack modular synth context.
Aeverb Mk2 has two algorithms, selected by the ALGO switch. The first is an extended version of the original algorithm, with much longer decay time (or "RT60 time," in reverb vernacular) and heavier diffusion, for a major improvement in both sound and capabilities. The second algorithm removes the diffusors, changes the internal EQ and feedback routing somewhat, and shortens the delay times for a "room" simulation that is perfect for percussion sounds.
We then added control over the high-pass filter on the input to the delay network for much more tonal control, and the result is a reverb that will perform workhorse duties, yet still has an extensive palette of experimental sounds perfect for the more adventurous musician. All of this in 6HP, too!
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