https://www.sweetwater.com/store/detail/LegendB102
you could run it without any filter, or with lowpass or perhaps a notch filter
25 watts might move it pretty well - use more if you have it - speakers in this range will not work with a single 2A3
B102 spl French site
Eminence's published curve
The old version - less smooth, lower qts, went higher, had more mids and treble. A Druid sized pipe is about 1.3 cubic foot internal volume - so cutoff about 1.4 * higher than a cabinet twice the size.
indoors relative comparison - old B102 vs new spec B102
old spec B102 in fake Druid outdoors - that B102 now resides in
an old Karlson K12 type cabinet
typical sized cabinet - a forwards facing tweeter would be easy
Karlson Evangelist
