I think that some one is selling a OA-101 in the auction right now. Could have been the one that MA had to fish out of the dumpster for someone after they TT it.
Recap found amps
Oare Amps
oa-101
oa-103
oa-105
Enmatter:
MA-101
MA-103 ??
MA-104 ??
MA-105