echoplexy 

A state in which an environment offers a sound similar to a multi tab delay (echoplex).

This tunnel sounds kind of echoplexy. Or, our phone connection is kind of echoplexy.

echoplexy by AngryAssClown April 2, 2011

echoplex

Maestro "Echoplex"

A tape delay unit released in 1960.

Uses two heads on a loop of tape, one head to record, one head to play back. The two signals are mixed, and the resulting effect is an echo.

Mainly used as a guitar effect.

This vintage Echoplex is worth $1,000 or more

echoplex by Captain Neatoman October 28, 2004