Question about JVC AM FM CD DET FACE CAR STEREO
HERE is the manual for your amplifier.
It is listed as being 4ohm STEREO stable Bridged.
Meaning the lowest impedence possible on (2) bridged channels is 4 ohms.
If you have a Dual Voicecoil Subwoofer, chances are - it is wired in parallel - resulting in a 2 ohm load.
This low resistance causes rapid heat buildup, and is causing your amplifier to go into protect mode.
There are many reasons the amplifier is doing it NOW as opposed to the prior vehicle...
If you alternator is not giving your amplifier 14V, it must work harder to produce the same amount of power. WORK = HEAT!
If the head unit is not the same, the signal voltage also has an effect. If the voltage is lower, the amplifier has to work harder to keep up at the same "volume" setting.
In any case, you are over-driving the amplifier, and it is shutting down with its thermal protection circuit.
Either lower the gain on the amplifier, or purchas a mono channel amplifier made to drive subwoofers.
Your Subwoofer is craving power, and you're giving it 60W !!
Thank you for using FiXyA - A FiXyA rating is appreciated.
If you have more questions or need clarification - let me know!
Posted on Jan 21, 2009
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