Question about Alpine New KTP-445U 4-channel Power Pack Amplifier
I followed all the instructions - as poorly as they are, and wired the yellow wire to the battery and the 2 blue/white control wires together to a switch. No sound? I connected the speakers to my other amplifier and they work.
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Posted on Jan 02, 2017
Sounds to me like it might be the remote turn on because the first time i installed it, it did the same thing, and i found out that there is two blue wires coming out the stereo, one with a white stripe, i connected it to the blue wire, and it didnt work, then i connected it to the blue and white wire, and it worked. Well hope this solves your problem, goodluck.
Posted on Jul 06, 2009
SOURCE: Amplifier displays "CUR"
The "CUR" display means that the amp is drawing excessive current and the protection circuit is activating. Too low impedance or shorted speakers will cause the amp to draw excessive current.
The Alpine V12 is a Class D mono amp with only one set of speaker outputs. All versions, M301, M501, and M1001 are only stable to 2ohms. Assuming that all 6 of your connected subwoofers and speakers are 4ohm and they're all connected in parallel, the amp sees a .67 ohm load, far below it's rated impedance.
When brand new, the amp could probably operate at low to moderate volume levels without drawing excessive current. But as electronic components age, their tolerances change and they become less able to withstand excessive current or mismatched impedances.
I'd get a 4-channel amp and drive the 4" speakers off the front channels and the 6X9's off the rear channels. And just power the subs off the V12 making sure that they are connected to show a minimum load of 2ohms.
Hope this helps.
Posted on Jul 29, 2009
Use the left and right to connect the positive and negative to the respective speakers in the right and left. Please make sure of the polarity and so be cautious. next you can connect the sub woofer from the left and right channel as the amp is bridgeable. Use the lead to connect from the R- positve to L negative. test and check the phasing of the speakers, must get good low bass or else you can reverse the sub woofer and check again. If you ae having frint speakers connect accordingly the the other channel. Helpful Good day
Posted on Jul 13, 2010
how is the signal going from headunit to the power pack? Should have a harness from the power pack to the deck (h/u). then out to the factory harness in the jeep. remember there is an amp under rear seat so you need to bypass that to make everything work. yes the blue/white wire from deck to blue/white wire ath the power pack (amp) should be connected in order for the power pack to turn on.
Posted on Oct 20, 2010
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