Stereo spring reverb, nice clean/warm reverb character, slightly long decay, long 3 spring pans for each channel, highest quality spring pan and unit uses a high power coil drive for tight bass control, also uses time delay/predelay into reverb pan for improved stereo field density of reverb. Front and rear inputs (1/4" front, RCA phone rear), mix and dry level controls, complete cleaned controls and calibration. No rack ears, but possibly avail (please inquire for details).