Audacity includes the effects:
- Delay
- Echo
- GVerb
- Equalization
Combining these effects will allow you to produce a wide range of effects of that type.
If you are on Windows there are also VST echo and reverb effects available.
For a Nyquist solution you could try something like:
(mult 2
(feedback-delay
(highpass8
(lowpass8 (jcrev s 1.0 0.8) 2800)
800)
0.1 0.5))