Numerous coats of clear are used typically with lacquer. I have 10 coats on my Bagby Continuums, 7 so far on my Carmody Speedsters. You have to let it cure for a few weeks before cut and polish. It gasses off over that time as well, otherwise, customers would likely be turned off by lacquer fumes from their new speakers, and a container full of them would be a fire hazard.
That said, I like clear lacquer better than LPU. I also like air cured lacquer over pre-cat. IMO, nitro lacquer and French polish are some of the nicest wood finishes, minus the nasties such as isocyanates included with most LPU finishes.