Verb

Triple PT2399 Reverb Effect with Modulation and Crossfade

The Synthrotek Verb is a reverb module like no other. This PT2399 16-bit unit offers a warm tape-saturated spring reverb sound, but the added flair of subtle modulation truly makes it shine. The input gain knob drops the input amount back to give cathedral-like sounds when the mix is high. Turn the modulation knob manually for pitch bends; patch in a slow LFO or envelope CV to emulate pitch bends reminiscent of a tape echo with a broken capstan. The mix knob is a very fast-responding cross fader circuit which allows audio rate inputs for further FM-like modulation. Add a subtle amount of reverb or crank the mix past 3 o'clock to knock the reverb signal into the rails.
Features:
CV in over MOD and MIX
Buffered Input and Output
CV In for the MIX is additive to the knob.
Very low signal DC offset at -0.073V
Trimmer to adjust input gain.

http://www.synthrotek.com/products/modular-circuits/verb/