Bi-amping levinson 33H, 432

I heard this set up with a 336 (+33h) on both spkr models you mention. However, this was done using an external xover (line-level).
The sound was significantly better on the Salons and maybe, slightly better on the small ones (than 33h alone).
However, that's quite an amplification investment for those spkrs. Note that the owner had both amp models lying around -- so the financial aspect was a non issue...

I use two pair of 436s on my Salons. I would try the 33h by theirselves, then the 33h on the top, and 336 on the low.