Question for Levinson 335 owners…

Can anyone advise if the 335 is a “fully balanced differential” amp? I’ve read the manual and cannot find any answer. Page 16 is titled “Balanced Design”, “ a truly balanced input topology eliminates the need for an input buffer amplification stage and allows the first stage differential to be driven directly by the source”. That’s the only reference I’ve found. Am I not understanding the jargon or does it not answer the question?

Actually, the only Levinson amp that I could find that’s touted as having Fully Differential circuitry is the No. 532H

thanks in advance!