Reverbs / Delays: After equalization and compression, the most frequent effects sound engineers rely on is reverb and delays.  Hardware Reverbs and Delays are becoming less common these days due to the availability of software plug-ins.  This section contains hardware reverb /delay effects processors.  But the hardware units in this section have more than just reverbs / delays.  Most of them are bonafide multi-effects processors giving you a nice selection of effects beyond just reverbs / delays