Driver comparison: KEF vs. Boston Acoustics

I have an 8" KEF KAR 200B and an 8" Boston Acoustics Rally RS8 driver. I’m going to put one of them in a 1.5 cu.ft. sealed enclosure that I’ve already had. Which one is more suitable with this enclosure, please?

Boston Acoustics RS8
Fs = 34 Hz
Qes = 0.42
Qms = 2.55
Qts = 0.36
Vas = 41.0 litres
Re = 3.64
Le = 0.0
Sd = 234
Xmax = 10.2
Pe = 250 W

KEF KAR 200B (SP1330)
Fs = 35 Hz
Qts = 0.40
Vas = 50 litres
Pe = 150 W