Maximum Reverb Sound Effect Now

The echo lasted forty-seven seconds.

Not all reverbs are created equal for this task. Spring reverbs are too chaotic. Rooms are too small. For maximum reverb, you need (using impulse responses of massive cathedrals or oil tanks) or Algorithmic "Black Hole" Reverbs (like ValhallaDSP's Shimmer or Eventide's Blackhole). These algorithms are specifically designed to sustain without becoming dissonant. maximum reverb sound effect

You can turn a simple vocal hum into a massive, organ-like synth pad by layering maximum reverb. The echo lasted forty-seven seconds

What is Reverb, and What Does it Sound Like? and What Does it Sound Like?