Nice pair, works excellent.
10" / 4 Ohms , OEM by Fisher Radio Corporation USA Belleville NJ.
Both smooth paper cones and treated cloth surrounds are just mint.
Heavy AlNiCo magnet structure and thick metal stamped baskets looks good.
DCR1 = 2.7Ohms
DCR2 = 2.8Ohms
These drivers provided big contribution to a legendary warm sound 
of late 50s-early 60s The Fisher tube stereo consoles. 
This particular pair comes out of 1963 Fisher Statesman III stereo 
console (unfortunately not working) where it was hooked up to a 
Chassis 680-A push-pull 7591 tube amplifier.
Recently have been tested with Yamaha solid state receiver and sounds great.
In my opinion they are close to be named as extended range speakers.
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