Rec Crossover Freq for MR94B Altec MantaRays with Altec 291 drivers - but at 16, not 8 ohms and Klipsch BassBin

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Rec Xover Freq for Altec MR94B/291 16ohm and Klipsch BassBin

Rec Crossover Freq for MR94B Altec MantaRays with Altec 291 drivers - but at 16, not 8 ohms and Klipsch BassBin

Hello:

I have Klipsch Klipschorns and LaScalas from the 1975-1979 era. If I want to mate the bass bins from Klipsch and use Altec horns and drivers, what crossover frequency should be used? Mind you, the Klipsch KH bass bin is reportedly weak above 350 Hz and the LS bass bin may peter out above 400-450 Hz, one person said it was good to 600+ Hz.

Does anyone know of a link to the frequency response curves of the MR94B or the 291 drivers at 16 ohms? Can these run to at least 10K Hz? As I am in my 50s, I do not think I would have much HF hearing left above 10K Hz. So could I use the K33 Klipsch woofer driver with the Altec combo in a 2 way set up? Would a gentle slope on an active crossover be recommended? (Any reccs for an active or digital xover appreciated, but MiniDSP from Hong Kong sounds good so far)

I will do a separate post on the same theme re Altec 511b/902-8Ts

Thanks from New Orleans