I've recently acquired a pair of C36 enclosures that I'm trying to date. These enclosures are loaded with what looks like the same speaker layout that are in L101's(DLH175 driver & LE14A woofer). They've got the sound port to the top right, too. I'm only guessing from pictures of a pair of L101's on ebay. I know nothing about vintage JBL speakers and I've only pulled the front cloth grills out and seen the fronts of the speakers. The attenuators(?) on the back are identical to the ones on the L101's on ebay.
These used to belong to a late relative who worked for Capitol records in the seventies and eighties. He received them as a gift and I was told they were in a listening room in one of their offices, prior to him receiving them.
Can anyone enlighten me on these speakers? How old? Are they custom, since they where in a Capitol listening room? How much would they be worth? They're in excellent shape(cabs & speakers) and sound great. Oh, and they're really heavy. Thanks, everybody.