15" RCF drivers made under license from JBL?

[lfh]

My apologies if this has been covered already (I tried a search), but did RCF actually build drivers under license from JBL in the 70:s as claimed here

http://www.vinylconnections.co.uk/rcf.htm


In any case, the old RCF:s with AlNiCo motors look very JBL:ish:

.

Also there was a very 811B:ish horn (here in an RCF-equipped Simms-Watts H.100 from about 1972):

[lfh]

Nice pics of RCF L15P/100A vs JBL D130 here:

Deux beaux HP