infos on fane 125669

[telegumbo]

Does anyone know the wattage of the following speaker, please?
I just want to know, if its safe to use it with my 50Watt amp.

it is 12 inch, 8ohms, all black, magnet size about 11.5cm diameter x 3cm height, large dustcap (also about 11.5cm diameter)

frame stamps:
125669
14584

cone stamp:
X 1 9 X
(X= hard to identify)


thanks.