Grado has mostly given me, quick, and informative replys, but not 100% of the time.
I"d be willing to wait a day or two, if it"ll garantee me an intelligent answer. Surely you must remember the stupid, "fock off" answer they had given me a while back, when I had inquired about the meaning of the letter "B" in my RA-1 serial number.
It was you Joseph, that ended up figuring it out, and gave me the most logical answer.
Yes, I do remember…B for battery power possibly.