What is turntable “liveliness”.

As usual. common sense is shot down here.

I am surprised, after re-reading some of this thread, that apparently no one brought up Ivor Tiefenbrun’s acronym, PRaT. He coined it as a marketing tool for his LP12. Is that what the OP is getting at? The sense of the liveliness of a sprung turntable can possibly come from distortions produced by the belt stretching and contracting as the platter bounces while the unsprung motor remains stationary. The suspension springs can be activated at a "micro" level by variations in stylus drag owing to groove tortuosity, resulting in relative motion between motor and platter.  This hobby is like that; sometimes distortions produced in the reproduction process are perceived as adding to verisimilitude. For another example, electronics that produce audible low order harmonic distortion can be perceived as sounding "rich", which for many is attractive.

I believe the OP...

And i believe those who will contradict him...

How this is so in my mind ?

Simple,

Give me any turntable with any system in any room, i will use acoustics basic knowledge to improve the turntable or the Dac perceived results...

Then i dont know which is better at any price for all involved brands name between turntables and dacs and almost nobody knows at the end ...( i believe because i had no reason to doubt it  that "at the end" but ONLY for some lucky audiophile with TOP acoustic room and TOP designed gear to do the comparison turntables are the best as mikelavigne claim )

But i know very well by experiments what acoustics dispositions and devices linking ears/speakers/room can do and it is huge in almost all case for almost all audiophiles with or without turntables...

I dont claim here that there is no differences between gear design quality or gear types...

Acoustics matter as much as the gear at least and at last...

Then owning dac or turntable matter way less than acoustics  for most of us...

Can’t say that rings a bell as described but should not happen. Maybe a sign of stylus not tracking properly perhaps due to setup and or tonearm/cart mismatch issues. Could also have something to do with inherent cart design and/or performance. Cart picking up some kind of high frequency vibration also a possibility .

Turntables are very brittle  devices. A lot can go wrong very easily.

As a Marketing Term used as Speil to get a reaction, the term' Prat' if invented by a individual from the UK has more than one connotation. 

As it was directed to a Audience of what one would suggest to be mainly mail. Iy can only be suggested a Misogeny is an underlying context for the creation of the term 'Pfat'

For the Linn TT design, making the Statement as Speil 

"She's a Belter" might have been kinder to the  females of the UK