Jitter reduction, best device?

I use a Meridian 518 and besides jitter, I rely on its gain function which overcomes the low recording level of many discs issued in the 80s. I would also recommend the EAD 7000 Mk I-III. Still serviceable, and handles jitter and sound is warm. I use an EAD Theatermaster 8000 that incorporates the jitter technology of the above dac. Reasonably priced used. Another possibility is the Apogee Big Ben which is a reclocking device that is not often seen on Audiogon because of its professional use, but many on Ebay and supposedly does a bang up job as to lowering jitter

I have fiddled with that switch on an EAD Theatermaster Classic and noticed little difference if any. Really did not experiment. I've since switched the processor out with an EAD Theatermaster 8000. The 518 may not be the best anti-jitter device, but it certainly is the best bargain for taming digitalis.

Well, I describe it as hard edged, as oppose to warm like, but shrill works.