I'm clearing out some of the stuff I have acquired and never got around to using.
I have a pair of Mission CP 134 5" paper cone mid bass:
Mission CP-134 5" Mid-bass Loudspeaker Driver (One pair) - Replacement for M3 | eBay
I have a pair of Mission CP 134 5" paper cone mid bass:
Mission CP-134 5" Mid-bass Loudspeaker Driver (One pair) - Replacement for M3 | eBay