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My DFVP 39 is 48g including 3 thin layers of Revolution No. 3 glue and plays nice without booster. Haven't had it for very long though. So it's still kinda first impression. My overall setup is now only 182g (90g blade, 44g bh).Imo, all these need a bit of booster. The dense ("no" bubble) sponge is better with it (I use only 1 layer). The X P-X is not very light, but still not as heavy as Nittaku H3PTB. But normal H3 is lighter, if you need it... My setup is now 200g, blade is 91,5g now (it was 93g but needed repair), and I use quite some glue. But don't know exactly how much the sheets are.