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Welcome! Need support, you got it. Or share your ideas and experiences.

Used to be able to check polarity (phase) on cone drivers

with a simple 1.5v D-cell battery. Touch one lead to the - on the battery, then, watching the cone (diaphragm) touch the other to the + on the battery. If said cone (diaphragm) moves forward (out) You have the + and - correct. If it moves in (back) you have them reversed.


Henry

Mushrooms are the opiate of the mooses


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