In article , David
Kennedy writes:

They're just chassis, no cabs. They were used - AFAICR - in stage monitors so
I suspect they have a fairly large range on them although, like you I can't
find much info on the interweb. I seem to remember they were associated with
Cadac in some way and the Cadac studio monitors I heard - around the size of a
largish wardrobe - were, at the time late '70s, very good. I suppose I could
take my Tannoys apart and put them in instead of the monitor golds but I'm not
certain they'd be better...

I just wondered, after all, in amongst all the static, there is a fair amount
of experience in this NG

Idly wondering whether they might be any good as bass guitar drivers,
I found this:

http://forums.prosoundweb.com/index.php?topic=72377.0

--
Mike Fleming