DLA-XLB
This component is just like the DLA-XL with the addition of a Bass delay On/Off control. This control adds further delay to the low frequencies.
DLA-X family and PS22.
The DLA-X and PS processes complement each other. When used on mono input sources DLA-X tends to produce a comb-filter coloration side effect as a result of the interaction between the delayed and original sound. On the other hand, PS-Split (and for a lesser extent PS-Spread) will split the spectrum of a central sound so that distinct frequency bands will exist only in one of the two stereo channels, this has a different kind of coloration side effect.
When DLA-X and PS plug-ins are used together, the DLA-X cross-feeds the missing frequency bands from one channel to the other, but since each channel has different frequency bands, the interaction between the delayed and original signal is avoided. A similar, but more complex effect takes place on stereo input. Note that following PS-Split by a stereo compatible reverb will achieve similar results, so using DLA-X is not needed in this case.
PS-Split is the tool to use when you wish to split input mono sounds into two almost completely separate stereo positions, e.g. for a dramatic left-right split. It is capable of extreme and dramatic stereo separation effects. Best results are normally achieved when used in conjunction with one of the DLA-X plug-ins, but it can also be used either on its own or with a reverb effects unit.
All three effects are fully user-adjustable from zero effect up to a high degree of effect — as much or as little reprocessing of stereo effect as you want or need. The quality as well as amount of the stereo effect is also fully under user control. The PS22-Spread component has the basic set of controls common to all 3 PS components.
Waves DLA software guide page 6 of 6