I have owned both the PV-10AL as well as the PV-12L. Both are excellent units. The PV-10 is a little more polite. It sounds a little warmer and not as extended in the high frequencies. It also lacks the focus of the PV-12L. The PV-12 sounds more extended on both extremes and presents a more focused image. The PV-10 seems to have better depth and soundstage while the PV-12L seem to resolve inner detail much better and has more speed and transparency.
Hope this helps,
Johnny
Hope this helps,
Johnny