Woofer Dvc
I have one 15" sub-woofer with 4 Ohm Dvc's. Wiring it up "parallel" (2 ohms) creates no sound from the amp.?
If I wire it in "series" to create an 8-ohm load, it works. If I wire just one Voice Coil to the amp, it works as well.
I have a Crown XLS 402 amplifier that should be able to handle a 2 ohm load. But there is ZERO sound coming out if I wire it up for a 2 ohm load in parallel. Why?!
Make sure you are not wiring the two coils out of phase. If you have one reversed that will definitely result in no sound.
Edit: Btw, I have seen woofers with the +/- reversed either by being labeled backwards or the coil reverse wound. If you are sure you have not wired one backwards to the amp then use a 1.5 volt batt to test the coils polarity. With the plus end of the batt on the plus terminal the cone should move forward. Check this on both coils, maybe one is backwards.
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