Philips AD1255 & AD1050 - lucky find?

Hi guys
I just had a look on a old radio shop, with 50 years of old stuff, mostly crap. But! I found these Philips drivers.
What are the chance that they totalley dissolve when i give them 5 watts?
I’m also aware of that the alnico magnets loose their Power over time, but isnt easy to re-magnitize?
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Its paper surround with a kind of black glue on inside surround.
I just fell i love with the cork pieces and i think they never played.
/Thomas
 
WOW > great find !
You will find that within their frequency range they are quite high efficiency.
Regarding power handling > treat them gently ...
I would actually always connect them via a 12 volt / 18 or 21 watt incandescent 'auto bulb' in series to protect them + series 220uF.
I wish I could play with them 🙂
 
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