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Tannoy HPD385 Help! Please...

pantoramasan

pantoramasan

AK Subscriber
Subscriber
I have these two 15" golds which I am preparing to insert into cabinets but am lost as to which tab I need to solder the speaker + & -- to. There are total of four tabs as you can see and I have researched but could not find any info on how to connect the speaker wires to the driver.
 

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The brown wire is the positive lead coming from the iron cored low frequency inductor in the crossover network. The yellow wire is directly linked via the pcb to the negative input terminal.
 
Thank you for that information. One confusing thing is that my other driver has a Blue wire where the brown is and a white wire where the yellow is. They switched color codes? So I am assuming then that the left tap is the negative on both speakers. That must be how they wired them all.
 
It is possible that a wire has been replaced as a blue wire for the negative connection is normally encountered. Use a 1.5 volt battery cell to verify that the polarity is correct.
 
Yes, I did that test with the battery. The polarity was correct. And I had seen a single photo while researching where someone had the blue wire soldered to the inside post rather than the +. So that also confused the issue. But I think I may have a handle on it now.
Thanks again for your help.
 
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