John P

The reverse tuning slide is simply different. It's a freer blow, meaning two things. First, flexibility (lip slurs) tends to be smoother with this setup as the diminished resistance widens the "targets" on each note. What this also means is that, with larger targets, there's more room to lip pitches as there's less to "push against". So intonation may suffer, depending on the player.

To my ears, reverse setups sound brighter than their standard counterparts. This isn't necessarily bad, just don't expect the same sound you'd get with a standard tuning slide.

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JP