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Coral bx1000 question

Iluvteak

New Member
I recently caught the vintage speaker bug after buying a set of Cerwin Vega vs120. Then a pair of Coral bx1200. I seem to love the kabuki sound that lots make fun of !! Haha.

So the latest find are some Coral bx1000. These are 3 way speakers. Sound OK but I realize now the midrange isn’t putting anything out on either speaker. Midrange does move when using a 9 volt battery to test. So I assume they are not blown?

I’ve looked at the tone dial on back of speakers (low normal and hi settings) and it’s a complicated gizmo. See pics. I guess this is the crossover. Seems to have variable contact points based on dial position. And a few capacitors in series. The mid range seems to not use a capacitor tho. Full signal from what I see in wiring but I’m a newbie at this. Yellow - midrange, green- woofer and blue - tweet.

Can someone enlighten me on this ? I’m new to crossovers etc.

Would I dare cut this dial out and put in a new crossover from parts express?

Thanks for any ideas!
 

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