I would at this juncture like to mention the PANAMA speakers are very capable functional and well "toned" --- so perhaps this entire exercise is unnecessary????
They started out using WGS, then their own(I’m guessing re-branded WGS...at least for a while, or a few models)...so IMO good speakers indeed...I’m not sure about what they’re using now.
One could try to find the manufacturer code, stamped somewhere on the basket or magnet edge usually, and find out the actual maker.
Edit: note-WGS is technically an assembler of speakers, using parts sourced from manufacturers of their choosing, and thus don’t have an EIA code of their own...that I can find.
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