Question about Infinity Reference 1211a Car Audio Amplifier

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Amp prob wire that come from the speekers came loose from the amp , a + and - wire, and now the amp and sub wont come on

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The speaker wire will not shut off the amp. Make sure that your power wire and ground are all connected properly. Check for any break in connections with these wires. Also check to see if your remote wire is connect properly and that there is no break in the wire. If there is a break or disconnection in any of these 3 wires, the amp will not come on. Also, check the amp fuse to see if the fuse has flown. Also check the fuse that is connected to your 12V source. If the fuse is blown, there will be not power on the amp. Check all your connections and fuse and you should find your problem

Posted on Dec 04, 2007


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Posted on Jan 02, 2017


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Hello. Putting more speekers are a hassle. You will need to put them inside the cabin. You will need to get truck speeker boxes and they have to be the right size for the subs. You will also need to get the right kind of amp for them and the right kind of wires you will need. Good Luck.

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hey wats up, let me see if i cud help u out here...i will give it a try and use bigger wire, the prob. cud b the wires cnt take pwr thts running through them, but tht cud only b the reason if ur wires are small...other thn tht u cud check 2 see if all ur fuses are correct & thy aint letting 2 much pwr through tht cud the prob as well...let me kno how tht gose & if those dnt wrk there might b sum thing else we cud *** up wit.

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1 Answer

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To test speakers.A. Unplug speaker wires.
B. connect a 9volt battery to each speaker,touching one wire to the negative and the other to the positive breifly. The speaker should extend outward or inward, simulating the pumping of the cone. Depending on the polarity of the DC voltage hooked to the battery.
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