Turntable ground wire??????

Tyring to put together my first tube system on a budget and began by picking up a pair of used Dared monoblocks here on Audiogon and just recently added a Ming Da HC-67 preamp with phono stage. The turntable ground connection on the back of the preamp is not the typical screw post spade connection, but some sort of a plugin. Not sure what kind (bigger than a miniplug), don't have a manual and my search on the internet turns up nil. I suppose I could just strip the spade off the turntable ground wire and hook it up to a screw, but would really like to avoid doing that. Anybody have any idea what type of spade adapter I'm looking for here to fit the ground connection on the back of the Ming Da? Thanks!